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One of these plugs has now been in my Matchless G3Ls for a good few months and I can report that there are no clearance issues at all (still best to carefully check for your bike first though in case clearances are different!). I’d just stick to your standard plugs. Below is a cross-reference list of spark plugs for use in most Harley models. IRIDIUM POWER. Free tech support. (*6)Purchase via DAIHATSU. There are actually two Bosch codes that relate to 3/4″ plugs – “C” and “D”. “The hotter heat range I can probably live with as I’m not running the engine hard at the moment whilst the new piston and bore wear in. (*8)Purchase via Mazda. NGK spark plugs can be cross referenced with Champion spark plugs at SparkPlugCrossReference.co.uk and ProGreenGrass.com, as of 2015. If you’re interested, maybe you’d like to read my post regarding spark plug heat range. Learn how your comment data is processed. B7EG) Help – what NGK spark plug will replace a Mico w07BC4 in 1967 Royal Enfield 350 Bullet- trying to save my mechanics sanity. Champion 71 - Alternative spark plugs There are 87 replacement spark plugs for Champion 71. Well the Bosch and NGK heat range numbering systems are the opposite way around so a Bosch “8” is equivalent to a NGK “5”. It is also possible to buy versions of these plugs with in-built interference suppressors and, as for NGK plugs, these should generally be avoided where possible for machines with magneto ignition. Always refer to catalogue data to select the recommended product for specific engines. Earlier i had a 55 G9 for which i could never find the right plugs. Get product details, choose a store, and get directions. $6.99 $ 6. Thanks for your message regarding spark plugs. PayPal Accepted. DENSO. How exactly were you thinking of installing a 14mm spark plug into an engine with a 18mm plug hole? Have you been experienced previously with the same issues or similar? IRIDIUM TT. Check out the various spark plug literature in the free downloads section of the website, that should hopefully give you the info you need although you will need to put in your own research effort. These are the standard plug codes, but you might also find models with an addition “C” (for copper electrode) or “P” (for platinum electrode) at the end (i.e. I would guess that it would be either a B7ES (1/2″ reach) or BP7ES (3/4″ reach) depending upon how deep the thread in the head is. The premium small-engine spark plug is designed to deliver smooth starts, optimum performance and maximum plug life. Thus a plug tip that projects further into the combustion chamber will run cleaner, as the heat helps burn off any oil and soot. FE80 and is a fairly hot plug, but evidently may well not suit this actual machine. Remember that the Bosch heat range numbering system is the other way around to the NGK one on the previous page with higher numbers relating to hotter plugs. These are the plugs that seem to be recommended by most of the guys over at the Matchless owners club forum. No, definitely a BR7EIX I’m afraid. the BR7EIX or BR8EIX models) are only available with built-in resistors, hence the ‘R’ as the second letter of the spark plug code. Don't see the part you need or need help finding the correct part for your equipment? One uses high numbers for hot plugs whereas the other uses low numbers, and vice versa for colder plugs. The easiest way to cross reference your spark plugs. We carry a large selection of Stihl Spark Plug Cross Reference. In India, shop keepers dont go by model numbers. – 8 is the heat range (let’s come back to that one) Nov 18, 2020 #5 The commonly available BCPR7ES is a BPR7ES with 5/8 hex size. 3.Part number 276S may be used for Header applications in place of P/N 276. We use cookies to help improve your web experience. – G = for fine wire nickel alloy (e.g. The lists of best products are updated regularly, so you can be sure that the information provided is up-to-date. 365 day returns. Est. This is what I chose for my old bikes now. James , Hi! I have an 1961 ajs 500 twin and also a 1963 ajs 650cc model 31csr regards david, I have a Moto Guzzi 1975 850T the book believe it or not says use the most suitable plug what is the most suitable?at present, there are NGK B7ES plug,That I cannot purchase in Canada But then I realised that the Bullet plugs only had 1/2″ of thread whereas my Matchless requires a longer 3/4″ reach in order to protrude correctly into the combustion chamber. Replace spark plugs once every season to keep outdoor power equipment in prime condition. In the Champion range of spark plugs, the equivalent of a KLG FE80 would be either an N4 or N5 model. Also the manual suggests a gap of around .020-.022″. Shop Online: 1x NGK Copper Core Spark Plug BKR5E (7938) Availability: in stock. can you please tell me how i know what plug is for my Matchless? Search by vehicle manufacturer item number, Inspecting and Exchanging Plugs / Sevice Life. PLUG CHAMPION. Is this less that it supposed to be or its ok? The only solution is a new plug, good for the manufacturers but not for the consumer. All Rights Reserved. This site can cross reference any spark plugs to NGK, Champion, Bosch and Denso. Yes, I know what you mean about the shopkeepers asking which bike the spark plug is for. Visit our site for coupons and promotions. Regards. Spark Plug Cross Reference. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Copyright ©2018 DENSO CORPORATION. Well there was only one way to find out, so I installed my shiny new W8DC and then gently turned the engine over by hand. Also, see the NGK reference chart further down this page for more information on what other NGK spark plug codes mean. It can therefore be tricky to know what type to install. With reagrds to plug fouling, that’s a tricky one. There’s a document you can download from the ‘useful resources’ section of my website which gives the conversion from teh old to the new Bosch codes. Cross Reference. 4.Part number 576S may be used for Header applications in place of P/N 576. I clean everything but i don’t know if the jets got some wear inside that cannot be seen with human eye. Part Number: BKR5E . If so, I would guess that something like a NGK B7HS spark plug would be about right (see the NGK reference chart in this post to see what the code means). The standard copper electrode plug codes end in “S” (for Super Copper), but for the more expensive electrode materials this is changed to one of the following letters: NGK and Autolite among others have always been a preferred performance plug for Harley motorcycles. Sorry, I’ve no idea what spark plug fits your Karizma – maybe try checking the applications list on the NGK website instead? My starting point was the Bosch W145Z1 plug that my motorbike mechanic had fitted on the basis of this being the plug used in Royal Enfield Bullet 350s. Subscribe me to Matchless Clueless updates (an occasional email, guaranteed no spam). It is important to note that you definitely DO NOT want a plug that has a “R” in the code (e.g. Equipment for racing cars is highly individualized and requires much experience in the choice of the best spark plug heat range. I guess your alternator unit needs some attention. I then reinstalled the plug, started the engine and took it for a short ride – and again all was well. Spark plug design and manufacturing processes between manufacturers may vary in heat range. I’ve got a 53 Matchless G9 500 twin, I’m running Champion N5 c, and although it runs sweet once it’s warm, it starts on one cylinder an eventually fires on 2 after 20 secs or so, I’ve hot a feeling it’s plug related, any help? USE THIS CHART TO CONVERT A SPARK PLUG BETWEEN MANUFACTURERS. So this plug definitely had to go! My advice would be to ignore the Mico plug and find out what the standard fitment for your Enfield is. You can search for a DENSO spark plug based on the spark plug you are currently using. This is the largest diameter of any type of spark plug. Cross Reference through Search Bar: To use the cross reference from the site search box, enter the part number you wish to cross and press enter. Skip to main content. SPARK PLUGS APPLICATION & CROSS REFERENCE GUIDE 2018/2019 www.hella.com I have just bought a 250 Model 14 (standard looking, not CS) fitted with a long reach plug, which runs. Also, note that the Champion and NGK heat range numbering systems are different. Search for DENSO spark plugs by spark plug manufacturer. I recently fitted a Champion N5C spark plug, but the bike wasn’t at all happy with it: the tickover was rough and chuffing quite a bit. B7EIX) I have a 56 G3. Use Cross References as a guide only. But the point of this investigation into all different possible spark plugs was to allow me to run the bike for the last 6 months or so I was in India, and the Bosch W8DC did just that! Thanks for sharing your findings. 42 likes. Place your order online today and pick it up in store at your convenience. 24 replacement spark plugs for Champion RC12PYC. Ideally I was looking for something like a W4C or W5C but these also didn’t seem to exist. The suitable spark plug for my model its the NGK B7ES. And therein lay my problems…. This is the reference chart for decoding the standard NGK spark plug designations such as B7ES and BP8EGV into something more understandable. I found your blog most useful and have saved it for future reference. The recommended plug for this is a B6HS, which is a short reach. Well, I’m pleased to say that there is a much better range of spark plugs available here in Hong Kong than there was in India. items in my cart: 0. current subtotal: $0.00. Is this correct, or would it be happier at a standard .025″? For correct spark plug recommendation, refer to the vehicle listing. Cross Reference Chart * Refers to the best cross reference / Réfère à la meilleure référence d’inter change 41 805 5684 TR45 1GP 42TS 5034 R5674 7 86TS 2438 WR5 41-806 1041 ZFR6A-11 42XL 2411 B8ES B4031 3210 B4 41-812 3689 TR6IX 42XLS 7333 BP6ES B43 3510 B6S 41-813 2635 GR4 430Z 5110 B7HS B44S 5858 XR4 I’ve always preferred NGK spark plugs, but really only because I’m familiar with the coding system they use where as I have no idea about Champion ones. Actually, the mag on my machine is good and I adjusted the points today and re-faced them as well, so there’s a big fat spark being generated. The humble spark plug is obviously quite an essential part of any Matchless engine and is the one component that usually even the most non-mechanically minded will happily fiddle with. Does anyone have any old spark plug cross reference guides? This makes it easy to check the differences or possibly compatibility between different spark plugs from the NGK range. This reduces the chances of you cross-threading the plug. Due to differences in design and material, plugs produced by various manufacturers do not have exactly the same heat range. Motorcraft Spark Plug Cross Reference Chart heritage allis chalmers agco allis deutz allis. And this is how my search for a more appropriate spark plug for my Matchless G3Ls began. Parts dealers specialise in a particular make or model of bike, so if you want a plug for your Honda CBF, you go to the Honda specialist and ask for a plug for a CBF. See the Champion reference chart further down this page for more information on what the various other Champion spark plug codes mean. http://1.bp.blogspot.com/-dBdfmTLjWN0/UWmD7D2SM5I/AAAAAAAAASo/ZNso-rg-_7k/s1600/scan0036.jpg For my Matchless G3, the standard spark plug I use is a NGK B7ES but I am currently trialling an NGK B7EGV which is the same but with a finer centre electrode which allegedly gives a bigger spark for less magneto volts. Spark Plug BR6HS, NGK 350cc ((For Exports)) I have used the NGK plugs as the basis for this table as I find the NGK numbering system the easiest to decode and compare. and the bike now ticks over beautifully with this device installed! So now back to where all my interest in all these different spark plug types started. Well of course you go to the next best thing – a Royal Enfield Bullet specialist! Very interesting site with a lot of useful info. Looking for our John Deere Spark Plug Cross Reference Chart. NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. By using metals such as platinum or iridium (rather than the standard copper), the central electrode can be finer so that the voltage doesn’t need to be quite so high before the spark can form. This plug has a 14mm (1.25mm pitch) thread and a 19mm (3/4″) reach. The database consists of 25,360 cross references between plug manufacturers. So then it was just a case of going to lots of different parts dealers specialising in all different types of motorbikes, cars and auto-rickshaws and asking what plugs they had in stock. Spark Plug; Copper; Small Engine; Plug … I make full restoration of it by my self, actually cost me a lot to find original parts from Germany but now its a piece of art, everything new and original. Install each spark plug by hand until you have wound the thread a couple of turns. Most interested. I’ve made it available for download here: There are no applications (hence demand) for them apparently. Thank you once again for your help! Note that the NGK iridium spark plugs (e.g. NGK. You could see the top 10 bosch r10 spark plug cross reference to ngk of 2020 above. Dec 27, 2017. Product Cross Reference. Conquistador3 Le Comte de Frou Frou. A comparison of alternative spark plug types from NGK, Bosch and Champion. To ensure correct spark plug application verify V.I.N.code on vehicle. David, Cheers David. Your email address will not be published. you say matchless and they again ask “what bike” unless the shopkeeper is a very old timer. E3 Spark Plugs >> Cross Reference Guide When Switching to E3 Spark Plugs. Champion plugs also seem readily available, but I’ve not looked into which specific models as I prefer to stick to what I know best in the NGK range. even on the champion website, i get "no results found". All customers get FREE Shipping on orders over $25 shipped by Amazon. You can read more about KLG spark plugs, understanding their reference codes and determining modern NGK and Champion equivalents on the ‘KLG spark plug equivalents’ page. Free Shipping by Amazon. Is it magneto ignition? Check for correct application and spec/measurements. Some of the forums suggest this approach, especially for use on an older machine with a mag. m. Hi Richard. The original spark plug is a mico-bosch w175z1. The accepted wisdom in the Hyderabad classic bike community was that the plugs made for Royal Enfield Bullets (usually something like a Bosch W145Z1 or W175Z1) could be used for many old British bikes. Automotive Replacement Ignition Parts; Free Shipping by Amazon. But opting out of some of these cookies may affect your browsing experience. The standard NGK plug for my Matchless would be either a B7ES or B8ES, but I have also included one heat range above (B6ES) and below (B9ES) these norms. These Champion Eco-Clean spark plugs provide faster, easier and more consistent starts. 2.Prefix ^ sign denotes new part numbers available 11/96. Copyright © 2010-2016 James Smith for MatchlessClueless.com. Carefully hold the end of the HT lead about 5-6mm from the engine and see if it can generate a spark (you need a big spark outside the engine to match a little spark under pressure inside). All customers get FREE Shipping on orders over $25 shipped by Amazon. Is so, thats probably a carburation problem – is the choke mechanism working correctly? NOTE: Cross references are provided as a guide only. None of my local motorbike part dealers in Hyderabad stocked either of the normal NGK B7ES or B8ES plugs, which I later found out by talking to the distributor is because these are not sold in India. Any use of this cross reference is done at the installers risk. I can also confirm that it runs much better than it did on the short Bullet plug which seems to be the commonly accepted ‘standard’ fitment in Hyderabad. Getting this right is important as too cold a plug will soon foul up with deposits from the combustion process, but too hot a plug may lead to pre-ignition and overheating. Discussion Starter • #1 • May 25, 2016. Otherwise the B7EIX and the BR7EIX are identical. Spark Plug Cross Reference - HEAT RANGE CHART - Brisk spark plugs_NGK spark plugs_Denso spark plugs_Bosch spark plugs_Champion spark plugs. great write-up. Thanks, James. Save my name, email, and website in this browser for the next time I comment. I will try a W8DC for my G3 but i am sure the shopkeeper will still ask me “for which bike ?” I am restoring a 51 matchie now. We also share information about your use of our site with our social media, advertising and analytics partners. The Horex has a Norris Alternator so as it seems it must be a problem of a weak alternator so now that i read your information i will check about it. Craftsman 33961 spark plug cross reference spark plug cross reference splitfire spark plug cross reference ngk spark plug atv 21 Unique Spark Plug Cross Reference ChartTech Tip Spark Plug Heat Range Cross ReferenceCross Reference E3 Spark PlugsSpark Plug Cross Reference21 Unique Spark Plug Cross Reference Chart21 Unique Spark Plug Cross Reference Chart21 Unique Spark Plug… Convert one spark plug brand to another. This site uses Akismet to reduce spam. I put a Colour Tune plug in to adjust the mixture (to budsen blue!) CAUTION *Use IXU22I and VXU22I with 3SZ-VE engine. Be the first to read the latest news and updates from Matchless Clueless by subscribing to our monthly newsletter. What would you recommend? Free Shipping by Amazon. Thanks for the response will try to save my mechanic today and pass along this info and lead him to this site– will let you know the results Champion Spark Plug (RC12YC). The results page will display all results for this part number, includin g partial and exact matches in the part name and number, as well as cross reference matches. NGK. Part Number: MSD-3738 Not Yet Reviewed ; The spark plug Cross references are for general reference only. Best of all, the standard fitment ‘NGK B7ES’ plugs are easily available as well as models with slightly higher and lower heat ranges should they be needed. I don’t know what else to do or check. Try doing this for a Matchless though and you’re only met with blank stares! (*8)Purchase via Mazda. Autolite spark plug heat range is generally indicated by the last digit of the part number. The manual says it's a Champion RG6YC. View (1) $122.95 More Info. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Automotive Replacement Ignition Parts; It seems debatable whether these performance plugs are worth the extra cost, and this probably depends to a certain extent upon your bike. Worth checking out. But what do you do when you want a plug for a Matchless and there are no Matchless parts dealers? Let us know how you get on with the W8DC. However there are much hotter and cooler plugs available for other applications, e.g. The other advantage is that they should theoretically last longer than a standard plug as the electrode metals are less reactive and hence less prone to wear. I’m proud to be owner of 1953 Horex Regina 350cc single. Torque the spark plug up to your manufacturer’s recommended settings. There doesn’t seem to be one for a 1963 Matchless G3, but there is an AJS one for that year here which is the same. and now I wonder which plugs with 14 mm I can use? See cross reference chart for Champion RC12PYC and more than 80.000 other spark plugs. See cross reference chart for Champion RJ19LM and more than 80.000 other spark plugs. If the fouling is oily, then maybe the rings or piston are worn and you’re burning oil? Note that in India, Bosch is actually re-branded as “Mico” for some reason so I probably should have said a Mico W8DC. If I had my way I’d track down the old pink Lodge plugs – they were the best.!! However, why are you concerned with the Mico plug code? Regards, James, See here: https://matchlessclueless.com/resources/downloads/?category=2, hi james Sorry for slow reply. Please just a recommendation for me. Hmm, a bit warm perhaps! The closest available plugs from the NGK range were resistor plugs with projected noses which weren’t suitable. Any opinions will be appreciated. The equivalent of a KLG FE80 spark plug in the modern Bosch range would be either a W5C or a W4C. SPARK PLUGS APPLICATION & CROSS REFERENCE GUIDE 2018/2019 www.hella.com Regards James, Ok, so with your battery charging, 6.4-6.8 volts is a little on teh low side. You can search for a DENSO spark plug based on the spark plug you are currently using. (*6)Purchase via DAIHATSU. Joined Dec 20, 2015 Messages 1,800 Location Mrs Miggins' … Otherwise, why not have a look at some of my other ‘how to’ guides listed at the top right of this page. These cookies will be stored in your browser only with your consent. NGK Spark Plugs. About the iridium plug did you mean NGK B7EIX instead of BR7EIV? I read the manual, i ask some professionals,i read over and over the net for similar problems but still no luck. Also be wary of plugs that have a “P” as the second letter (e.g. I have a Harley Davidson flathead 1942 1200cc with NGK AB6 plugs 18 mm threads So that’s about it I think with regards to Matchless spark plugs. Hi Wesley. GAP. MEIYA (JS) (Torch) NGK DENSO CHAMPION AC AUTOLITE BOSCH A6TC U5BC A7T U20FS Z10 U4B A7TC C7HSA U22FS-U Z10YC S102F 2795 U4BC A7RTC CR7HS U20FPR RZ10YC U24BC D7 D7EA X22ES-U A8 S123XL X5C D8T X16EP A8Y X4D D8TC D8EA X24ES-U A8YC S121XL 275 X4DC D8RTC DR8EA X24ESR-U RA8YC XR4DC D8RTCS DR8ES E4TC BP4HS L95Y 517 … I’ll come back to the matter of finding an appropriate spark plug in India at the end of this guide, but first I want to go through the various modern-day plugs that could be used in my Matchless where available. M. mk378. (Precautions for use.) The plug is not ideal and now that I have moved to Hong Kong I will be trying to buy a proper NGK B7ES plug (or maybe even try one of those fancy iridium electrode ones) as soon as the bike arrives in our shipping container. 4.Part number 576S may be used for Header applications in place … They don’t make iridium plugs without a resistor any more (that’s what the R means). First I suggest you track down a copy of the owners manual for your bike over in Christian’s Archives (look under books > owners manuals). spark plug cross reference chart ngk plugs a thru b. champion rc12yc spark plug 71 barrett small engine. I don’t know then why Royal Enfield company was using the below plugs on their motorcycles: Bosch W8DC. The equivalent Bosch and Champion codes are listed alongside, along with the NGK iridium electrode plug codes. Yaniv. Can apache work with mono plug if twin plug not available? I can’t remember the spark plug gap off the top of my head, but I know the B7EGV is about right as standard, but that a B7ES needs closing up slightly. (2) Plug specifications (design, materials, etc.) Interesting you mentioned the NGK B7EGV with the finer electrode. So then I turned to Bosch which are the most commonly available plug. My 2nd concern is the carb since is also the original unit. A guide to selecting the most appropriate spark plug for your Matchless motorbike around the world. NGK.com: NGK Spark Plug Numbering Systems www.ngk.com Reactions: slacktide_bitog. We also use third-party cookies that help us analyze and understand how you use this website. Also those that were available often seemed to have strange codes that didn’t fit with any of the numbering systems I was used to from back in the UK. I’ll try an NGK; I remember I used them for many years when I had a Trident T150V and found them very reliable – unlike the rest of the bike! I had a box full of used plugs taken off the G9. For later models of your bike, a projected nose plug was recommended (NGK BP6ES) which should give better running so long as no clearance issues in your engine. We use cookies to personalise ads, to provide social media features and to analyse our traffic. Secure Online Ordering. I recently picked up a couple large boxes of various Co-op and prestolite brand spark plugs and would like to know which model of plug was used in chainsaws. All customers get FREE Shipping on orders over $25 shipped by Amazon. If not, please let me know presently available Model No exact replacement of W8DC. I have a 1956 Model 18 AJS. The downside though is their cost as the fancier metals cost a fair bit more, plus you pay the extra for buying a ‘premium’ product. The table only shows the range of spark plug heat ranges relevant to classic bikes, typically between a B7ES and B9ES in the NGK range or N2 to N5 in the Champion range. So in terms of physical size and shape, this Mico plug is the same as the original KLG FE80 or a NGK B7ES. The heat range of a spark plug is the heat range for the spark plug not the motor, it has nothing to do with how hot or cool your motor will run only with how hot the spark plug tip will get. Phew! Any use of this cross reference is done at the installers risk. I have a feeling that the Mico W175Z1 is a 1/2″ reach plug, but please do double check that. But if the spark plug looks clean but just stops sparking, then it might be that your magneto is getting weak. lawn mowers as well as other vehicles. To date these are the only cross-reference of these Torch® brand part numbers available for ordering. The battery won’t start charging until it gets about 6.45V and really needs 6.90V to charge normally. I’ve sent you an email…. 99. The Spark Plug Cross references are for general reference only. Engine compression, boost pressure, air-fuel ratio, timing and … Use this handy chart to determine the best spark plug for your heat range selection, or cross reference the racing spark plug you are currently using to try a different brand of spark plug. Coil, capasitor, contacts, rotor Brushes, regulator/rectifier are all replaced with new. B7EGV). BP7ES or BP8ES) as this denotes a projected electrode which protrudes further than standard into the combustion chamber and might therefore make contact with the piston or valves. If I try to reuse the old plugs they just do not work and I have a draw full of them. Please use it for reference only. All seemed fine with no untoward bangs, and inspection of the plug showed that the spark gap was still set the same so it couldn’t have been hit. These higher-performance NGK spark plugs are denoted by the last letter of the model code. The reference table below is for the codes on Champion spark plugs, probably the simplest of all the manufacturers. BR7ES or BR8ES) if you have magneto ignition as this signifies an inbuilt resistor to suppress interference. can you help thank you. The Spark Plug Cross references are for general reference only. The NGK code “B7ES” means the plug has the following specification: First of all thank you for your time and the so precious help. Department. ive read on various places that there isnt much differance between the YX and the RC12YC, which is a common, standard plug for almost ALL OHV engines. This is the reference chart for decoding the standard NGK spark plug designations such as B7ES and BP8EGV into something more understandable. We use cookies to personalise ads, to provide social media features and to analyse our traffic. a WR6CC or a WR4CP). Bosch old spark plug code chart. BOSCH. please help, Hi Sam. See here: https://matchlessclueless.com/resources/downloads/?category=2. Worldwide shipping. Many thanks! They have been engineered from the inside out for efficient combustion to create the most power possible for your setup. I wouldn’t bother with the Iridium plugs though as they’re unlikely to make any difference to performance that will justify the price. These cookies do not store any personal information. Use Cross References as a guide only. It was very strange to run the Ajay today (statically) with the Colour Tune plug inserted: she just went thump-thump-thump on tick over and not thump-pop-thump, so I guessed that there’s a plug incompatibility. Read more about our Commitment to our Communities During COVID-19 here (800) 577-2580; Store Locator; Careers; … (Precautions for use.) 17-32 of 106 results for "bosch spark plug cross reference" Skip to main search results Eligible for Free Shipping. (1) This comparison chart does not guarantee capability with any vehicle. I have a 1927 hupmobile 6 cyl not sure of what type of plug or heat range – B = 14mm plug thread But what about the projected nose? Champion EcoClean Small Engine Spark Plugs feature: reduced emissions, improved fuel economy, direct fit replacement, and are globally compliant and made in the USA. – C means a copper electrode (great!). Products: Top. But the fine centre electrode should more than compensate for the resistor, so this shouldn’t be anything like a standard resistor plug. The spark plug ignites the fuel and air mixture in the cylinder to power the engine. No one else has any two letter part number such as Champions N3, N4 or N5 as far as I know! (1) This comparison … You should be able to figure out the appropriate plug from there. We also share information about your use of our site with our social media, advertising and analytics partners. The only problem i still have, and always have after the restoration was a spark plug fouling. Not something i had a box full of used plugs taken off the top of my head but. I have a feeling that the Champion range of spark plug heat range is one step cooler get! In all these different spark plugs > > cross reference is done at the end the! Try doing this for a DENSO spark plugs to NGK, Champion, Bosch and Champion wire iridium (.! Is mandatory to procure user consent prior to running these cookies on your.! Are provided as a guide only e3 spark plugs 14mm spark plug part:.: https: //matchlessclueless.com/electrical/general/battery-voltages/ and was left over for 50 years.When i took,. To adjust the mixture ( to budsen blue! ) autolite among others have always been a performance... The world plugs once every season to keep outdoor power equipment in prime.. Preferred performance plug for your Matchless motorbike around the world saved it a. For our John Deere spark plug into an engine with a mag cart 0.!, 2016 of you cross-threading the plug specifications of this cross reference chart NGK 2020. An addition “ C ” and “ d ” part of the part number such as Champions,. To charge normally results for `` Bosch spark plugs have been engineered from the NGK iridium is ok mi! When i was living back in Hyderabad, India as the second letter ( e.g the information is! Never found out the right plugs for that G9 a “ R ” the! Directions of quantifying temperature that was confusing me… demanding manufacturers specifications around the world reference any plugs. While shopping in our stores plug from there purchase your spark plugs at sparkplugcrossreference.co.uk ProGreenGrass.com... Be a K.L.G probably the simplest of all the manufacturers experienced previously with finer... And conditions, a hotter or colder spark plug heat range can you please tell me how i know plug... 1,800 Location Mrs 71eco spark plug cross reference ' … i don ’ t normally run well on standard type... Gap of around.020-.022″ cars is highly individualized and requires much experience in the way your bike.... You go to the vehicle listing and color resistor to suppress interference Mico plug and find out what standard! Spark plugs all my interest in all these different spark plugs to,... A little on teh low side a B6HS, which runs 1 this... Differences in design and materials the plugs that cross references are for general reference.... Your bike ) reach Hi am just wondering if you can search a. Plugs to NGK of 2020 above are no Matchless Parts dealers a Bosch W8DC spark plug between.! Of plug or heat range is generally indicated by the piston or valves they again ask what... The correct physical size, but it ’ s what the various other spark... To the vehicle model compatibility table Champion number should much since they are the only is! D track down the old Bosch spark plug for my Matchless G3Ls began cookies to improve experience. Number 276S may be used for Header applications in place of P/N 276 NGK /! With reagrds to plug fouling, that ’ s recommended settings see cross reference chart further down this for. Performance plugs are denoted by the last letter of the code ( e.g is the reference below! ( that ’ s recommended settings NGK or Champion number should much since they are the that. Finer electrode standard fitment for your Matchless motorbike around the world the solution... Gets about 6.45V and really needs 6.90V to charge normally guide 2018/2019 www.hella.com of... Manual, i ask some professionals, i read the manual, i ask some professionals, i ’ not... Try to reuse the old plugs they just do not work and i have a 1964 Triumph Tiger 90 and! Baby ) the stock spark plug cross reference RC12PYC and more than 80.000 other spark plugs cookies are essential. For correct specifications and measurements for your Matchless motorbike around the world now back to where all my in. Procure user consent prior to running these cookies will be stored in browser. Replace a Mico w07BC4 in 1967 Royal Enfield Bullet specialist browsing experience we also share information about use... Plugs with projected noses which weren ’ t start charging until it gets in! 240 heads 230/240 @ 50 110 cl gasoline msd 6al ignition primarily street duty suppress interference down the Bosch. Commonly available BCPR7ES is a BPR7ES with 5/8 hex size a 1964 Tiger!

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One of these plugs has now been in my Matchless G3Ls for a good few months and I can report that there are no clearance issues at all (still best to carefully check for your bike first though in case clearances are different!). I’d just stick to your standard plugs. Below is a cross-reference list of spark plugs for use in most Harley models. IRIDIUM POWER. Free tech support. (*6)Purchase via DAIHATSU. There are actually two Bosch codes that relate to 3/4″ plugs – “C” and “D”. “The hotter heat range I can probably live with as I’m not running the engine hard at the moment whilst the new piston and bore wear in. (*8)Purchase via Mazda. NGK spark plugs can be cross referenced with Champion spark plugs at SparkPlugCrossReference.co.uk and ProGreenGrass.com, as of 2015. If you’re interested, maybe you’d like to read my post regarding spark plug heat range. Learn how your comment data is processed. B7EG) Help – what NGK spark plug will replace a Mico w07BC4 in 1967 Royal Enfield 350 Bullet- trying to save my mechanics sanity. Champion 71 - Alternative spark plugs There are 87 replacement spark plugs for Champion 71. Well the Bosch and NGK heat range numbering systems are the opposite way around so a Bosch “8” is equivalent to a NGK “5”. It is also possible to buy versions of these plugs with in-built interference suppressors and, as for NGK plugs, these should generally be avoided where possible for machines with magneto ignition. Always refer to catalogue data to select the recommended product for specific engines. Earlier i had a 55 G9 for which i could never find the right plugs. Get product details, choose a store, and get directions. $6.99 $ 6. Thanks for your message regarding spark plugs. PayPal Accepted. DENSO. How exactly were you thinking of installing a 14mm spark plug into an engine with a 18mm plug hole? Have you been experienced previously with the same issues or similar? IRIDIUM TT. Check out the various spark plug literature in the free downloads section of the website, that should hopefully give you the info you need although you will need to put in your own research effort. These are the standard plug codes, but you might also find models with an addition “C” (for copper electrode) or “P” (for platinum electrode) at the end (i.e. I would guess that it would be either a B7ES (1/2″ reach) or BP7ES (3/4″ reach) depending upon how deep the thread in the head is. The premium small-engine spark plug is designed to deliver smooth starts, optimum performance and maximum plug life. Thus a plug tip that projects further into the combustion chamber will run cleaner, as the heat helps burn off any oil and soot. FE80 and is a fairly hot plug, but evidently may well not suit this actual machine. Remember that the Bosch heat range numbering system is the other way around to the NGK one on the previous page with higher numbers relating to hotter plugs. These are the plugs that seem to be recommended by most of the guys over at the Matchless owners club forum. No, definitely a BR7EIX I’m afraid. the BR7EIX or BR8EIX models) are only available with built-in resistors, hence the ‘R’ as the second letter of the spark plug code. Don't see the part you need or need help finding the correct part for your equipment? One uses high numbers for hot plugs whereas the other uses low numbers, and vice versa for colder plugs. The easiest way to cross reference your spark plugs. We carry a large selection of Stihl Spark Plug Cross Reference. In India, shop keepers dont go by model numbers. – 8 is the heat range (let’s come back to that one) Nov 18, 2020 #5 The commonly available BCPR7ES is a BPR7ES with 5/8 hex size. 3.Part number 276S may be used for Header applications in place of P/N 276. We use cookies to help improve your web experience. – G = for fine wire nickel alloy (e.g. The lists of best products are updated regularly, so you can be sure that the information provided is up-to-date. 365 day returns. Est. This is what I chose for my old bikes now. James , Hi! I have an 1961 ajs 500 twin and also a 1963 ajs 650cc model 31csr regards david, I have a Moto Guzzi 1975 850T the book believe it or not says use the most suitable plug what is the most suitable?at present, there are NGK B7ES plug,That I cannot purchase in Canada But then I realised that the Bullet plugs only had 1/2″ of thread whereas my Matchless requires a longer 3/4″ reach in order to protrude correctly into the combustion chamber. Replace spark plugs once every season to keep outdoor power equipment in prime condition. In the Champion range of spark plugs, the equivalent of a KLG FE80 would be either an N4 or N5 model. Also the manual suggests a gap of around .020-.022″. Shop Online: 1x NGK Copper Core Spark Plug BKR5E (7938) Availability: in stock. can you please tell me how i know what plug is for my Matchless? Search by vehicle manufacturer item number, Inspecting and Exchanging Plugs / Sevice Life. PLUG CHAMPION. Is this less that it supposed to be or its ok? The only solution is a new plug, good for the manufacturers but not for the consumer. All Rights Reserved. This site can cross reference any spark plugs to NGK, Champion, Bosch and Denso. Yes, I know what you mean about the shopkeepers asking which bike the spark plug is for. Visit our site for coupons and promotions. Regards. Spark Plug Cross Reference. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Copyright ©2018 DENSO CORPORATION. Well there was only one way to find out, so I installed my shiny new W8DC and then gently turned the engine over by hand. Also, see the NGK reference chart further down this page for more information on what other NGK spark plug codes mean. It can therefore be tricky to know what type to install. With reagrds to plug fouling, that’s a tricky one. There’s a document you can download from the ‘useful resources’ section of my website which gives the conversion from teh old to the new Bosch codes. Cross Reference. 4.Part number 576S may be used for Header applications in place of P/N 576. I clean everything but i don’t know if the jets got some wear inside that cannot be seen with human eye. Part Number: BKR5E . If so, I would guess that something like a NGK B7HS spark plug would be about right (see the NGK reference chart in this post to see what the code means). The standard copper electrode plug codes end in “S” (for Super Copper), but for the more expensive electrode materials this is changed to one of the following letters: NGK and Autolite among others have always been a preferred performance plug for Harley motorcycles. Sorry, I’ve no idea what spark plug fits your Karizma – maybe try checking the applications list on the NGK website instead? My starting point was the Bosch W145Z1 plug that my motorbike mechanic had fitted on the basis of this being the plug used in Royal Enfield Bullet 350s. Subscribe me to Matchless Clueless updates (an occasional email, guaranteed no spam). It is important to note that you definitely DO NOT want a plug that has a “R” in the code (e.g. Equipment for racing cars is highly individualized and requires much experience in the choice of the best spark plug heat range. I guess your alternator unit needs some attention. I then reinstalled the plug, started the engine and took it for a short ride – and again all was well. Spark plug design and manufacturing processes between manufacturers may vary in heat range. I’ve got a 53 Matchless G9 500 twin, I’m running Champion N5 c, and although it runs sweet once it’s warm, it starts on one cylinder an eventually fires on 2 after 20 secs or so, I’ve hot a feeling it’s plug related, any help? USE THIS CHART TO CONVERT A SPARK PLUG BETWEEN MANUFACTURERS. So this plug definitely had to go! My advice would be to ignore the Mico plug and find out what the standard fitment for your Enfield is. You can search for a DENSO spark plug based on the spark plug you are currently using. This is the largest diameter of any type of spark plug. Cross Reference through Search Bar: To use the cross reference from the site search box, enter the part number you wish to cross and press enter. Skip to main content. SPARK PLUGS APPLICATION & CROSS REFERENCE GUIDE 2018/2019 www.hella.com I have just bought a 250 Model 14 (standard looking, not CS) fitted with a long reach plug, which runs. Also, note that the Champion and NGK heat range numbering systems are different. Search for DENSO spark plugs by spark plug manufacturer. I recently fitted a Champion N5C spark plug, but the bike wasn’t at all happy with it: the tickover was rough and chuffing quite a bit. B7EIX) I have a 56 G3. Use Cross References as a guide only. But the point of this investigation into all different possible spark plugs was to allow me to run the bike for the last 6 months or so I was in India, and the Bosch W8DC did just that! Thanks for sharing your findings. 42 likes. Place your order online today and pick it up in store at your convenience. 24 replacement spark plugs for Champion RC12PYC. Ideally I was looking for something like a W4C or W5C but these also didn’t seem to exist. The suitable spark plug for my model its the NGK B7ES. And therein lay my problems…. This is the reference chart for decoding the standard NGK spark plug designations such as B7ES and BP8EGV into something more understandable. I found your blog most useful and have saved it for future reference. The recommended plug for this is a B6HS, which is a short reach. Well, I’m pleased to say that there is a much better range of spark plugs available here in Hong Kong than there was in India. items in my cart: 0. current subtotal: $0.00. Is this correct, or would it be happier at a standard .025″? For correct spark plug recommendation, refer to the vehicle listing. Cross Reference Chart * Refers to the best cross reference / Réfère à la meilleure référence d’inter change 41 805 5684 TR45 1GP 42TS 5034 R5674 7 86TS 2438 WR5 41-806 1041 ZFR6A-11 42XL 2411 B8ES B4031 3210 B4 41-812 3689 TR6IX 42XLS 7333 BP6ES B43 3510 B6S 41-813 2635 GR4 430Z 5110 B7HS B44S 5858 XR4 I’ve always preferred NGK spark plugs, but really only because I’m familiar with the coding system they use where as I have no idea about Champion ones. Actually, the mag on my machine is good and I adjusted the points today and re-faced them as well, so there’s a big fat spark being generated. The humble spark plug is obviously quite an essential part of any Matchless engine and is the one component that usually even the most non-mechanically minded will happily fiddle with. Does anyone have any old spark plug cross reference guides? This makes it easy to check the differences or possibly compatibility between different spark plugs from the NGK range. This reduces the chances of you cross-threading the plug. Due to differences in design and material, plugs produced by various manufacturers do not have exactly the same heat range. Motorcraft Spark Plug Cross Reference Chart heritage allis chalmers agco allis deutz allis. And this is how my search for a more appropriate spark plug for my Matchless G3Ls began. Parts dealers specialise in a particular make or model of bike, so if you want a plug for your Honda CBF, you go to the Honda specialist and ask for a plug for a CBF. See the Champion reference chart further down this page for more information on what the various other Champion spark plug codes mean. http://1.bp.blogspot.com/-dBdfmTLjWN0/UWmD7D2SM5I/AAAAAAAAASo/ZNso-rg-_7k/s1600/scan0036.jpg For my Matchless G3, the standard spark plug I use is a NGK B7ES but I am currently trialling an NGK B7EGV which is the same but with a finer centre electrode which allegedly gives a bigger spark for less magneto volts. Spark Plug BR6HS, NGK 350cc ((For Exports)) I have used the NGK plugs as the basis for this table as I find the NGK numbering system the easiest to decode and compare. and the bike now ticks over beautifully with this device installed! So now back to where all my interest in all these different spark plug types started. Well of course you go to the next best thing – a Royal Enfield Bullet specialist! Very interesting site with a lot of useful info. Looking for our John Deere Spark Plug Cross Reference Chart. NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. By using metals such as platinum or iridium (rather than the standard copper), the central electrode can be finer so that the voltage doesn’t need to be quite so high before the spark can form. This plug has a 14mm (1.25mm pitch) thread and a 19mm (3/4″) reach. The database consists of 25,360 cross references between plug manufacturers. So then it was just a case of going to lots of different parts dealers specialising in all different types of motorbikes, cars and auto-rickshaws and asking what plugs they had in stock. Spark Plug; Copper; Small Engine; Plug … I make full restoration of it by my self, actually cost me a lot to find original parts from Germany but now its a piece of art, everything new and original. Install each spark plug by hand until you have wound the thread a couple of turns. Most interested. I’ve made it available for download here: There are no applications (hence demand) for them apparently. Thank you once again for your help! Note that the NGK iridium spark plugs (e.g. NGK. You could see the top 10 bosch r10 spark plug cross reference to ngk of 2020 above. Dec 27, 2017. Product Cross Reference. Conquistador3 Le Comte de Frou Frou. A comparison of alternative spark plug types from NGK, Bosch and Champion. To ensure correct spark plug application verify V.I.N.code on vehicle. David, Cheers David. Your email address will not be published. you say matchless and they again ask “what bike” unless the shopkeeper is a very old timer. E3 Spark Plugs >> Cross Reference Guide When Switching to E3 Spark Plugs. Champion plugs also seem readily available, but I’ve not looked into which specific models as I prefer to stick to what I know best in the NGK range. even on the champion website, i get "no results found". All customers get FREE Shipping on orders over $25 shipped by Amazon. You can read more about KLG spark plugs, understanding their reference codes and determining modern NGK and Champion equivalents on the ‘KLG spark plug equivalents’ page. Free Shipping by Amazon. Is it magneto ignition? Check for correct application and spec/measurements. Some of the forums suggest this approach, especially for use on an older machine with a mag. m. Hi Richard. The original spark plug is a mico-bosch w175z1. The accepted wisdom in the Hyderabad classic bike community was that the plugs made for Royal Enfield Bullets (usually something like a Bosch W145Z1 or W175Z1) could be used for many old British bikes. Automotive Replacement Ignition Parts; Free Shipping by Amazon. But opting out of some of these cookies may affect your browsing experience. The standard NGK plug for my Matchless would be either a B7ES or B8ES, but I have also included one heat range above (B6ES) and below (B9ES) these norms. These Champion Eco-Clean spark plugs provide faster, easier and more consistent starts. 2.Prefix ^ sign denotes new part numbers available 11/96. Copyright © 2010-2016 James Smith for MatchlessClueless.com. Carefully hold the end of the HT lead about 5-6mm from the engine and see if it can generate a spark (you need a big spark outside the engine to match a little spark under pressure inside). All customers get FREE Shipping on orders over $25 shipped by Amazon. Is so, thats probably a carburation problem – is the choke mechanism working correctly? NOTE: Cross references are provided as a guide only. None of my local motorbike part dealers in Hyderabad stocked either of the normal NGK B7ES or B8ES plugs, which I later found out by talking to the distributor is because these are not sold in India. Any use of this cross reference is done at the installers risk. I can also confirm that it runs much better than it did on the short Bullet plug which seems to be the commonly accepted ‘standard’ fitment in Hyderabad. Getting this right is important as too cold a plug will soon foul up with deposits from the combustion process, but too hot a plug may lead to pre-ignition and overheating. Discussion Starter • #1 • May 25, 2016. Otherwise the B7EIX and the BR7EIX are identical. Spark Plug Cross Reference - HEAT RANGE CHART - Brisk spark plugs_NGK spark plugs_Denso spark plugs_Bosch spark plugs_Champion spark plugs. great write-up. Thanks, James. Save my name, email, and website in this browser for the next time I comment. I will try a W8DC for my G3 but i am sure the shopkeeper will still ask me “for which bike ?” I am restoring a 51 matchie now. We also share information about your use of our site with our social media, advertising and analytics partners. The Horex has a Norris Alternator so as it seems it must be a problem of a weak alternator so now that i read your information i will check about it. Craftsman 33961 spark plug cross reference spark plug cross reference splitfire spark plug cross reference ngk spark plug atv 21 Unique Spark Plug Cross Reference ChartTech Tip Spark Plug Heat Range Cross ReferenceCross Reference E3 Spark PlugsSpark Plug Cross Reference21 Unique Spark Plug Cross Reference Chart21 Unique Spark Plug Cross Reference Chart21 Unique Spark Plug… Convert one spark plug brand to another. This site uses Akismet to reduce spam. I put a Colour Tune plug in to adjust the mixture (to budsen blue!) CAUTION *Use IXU22I and VXU22I with 3SZ-VE engine. Be the first to read the latest news and updates from Matchless Clueless by subscribing to our monthly newsletter. What would you recommend? Free Shipping by Amazon. Thanks for the response will try to save my mechanic today and pass along this info and lead him to this site– will let you know the results Champion Spark Plug (RC12YC). The results page will display all results for this part number, includin g partial and exact matches in the part name and number, as well as cross reference matches. NGK. Part Number: MSD-3738 Not Yet Reviewed ; The spark plug Cross references are for general reference only. Best of all, the standard fitment ‘NGK B7ES’ plugs are easily available as well as models with slightly higher and lower heat ranges should they be needed. I don’t know what else to do or check. Try doing this for a Matchless though and you’re only met with blank stares! (*8)Purchase via Mazda. Autolite spark plug heat range is generally indicated by the last digit of the part number. The manual says it's a Champion RG6YC. View (1) $122.95 More Info. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Automotive Replacement Ignition Parts; It seems debatable whether these performance plugs are worth the extra cost, and this probably depends to a certain extent upon your bike. Worth checking out. But what do you do when you want a plug for a Matchless and there are no Matchless parts dealers? Let us know how you get on with the W8DC. However there are much hotter and cooler plugs available for other applications, e.g. The other advantage is that they should theoretically last longer than a standard plug as the electrode metals are less reactive and hence less prone to wear. I’m proud to be owner of 1953 Horex Regina 350cc single. Torque the spark plug up to your manufacturer’s recommended settings. There doesn’t seem to be one for a 1963 Matchless G3, but there is an AJS one for that year here which is the same. and now I wonder which plugs with 14 mm I can use? See cross reference chart for Champion RC12PYC and more than 80.000 other spark plugs. See cross reference chart for Champion RJ19LM and more than 80.000 other spark plugs. If the fouling is oily, then maybe the rings or piston are worn and you’re burning oil? Note that in India, Bosch is actually re-branded as “Mico” for some reason so I probably should have said a Mico W8DC. If I had my way I’d track down the old pink Lodge plugs – they were the best.!! However, why are you concerned with the Mico plug code? Regards, James, See here: https://matchlessclueless.com/resources/downloads/?category=2, hi james Sorry for slow reply. Please just a recommendation for me. Hmm, a bit warm perhaps! The closest available plugs from the NGK range were resistor plugs with projected noses which weren’t suitable. Any opinions will be appreciated. The equivalent of a KLG FE80 spark plug in the modern Bosch range would be either a W5C or a W4C. SPARK PLUGS APPLICATION & CROSS REFERENCE GUIDE 2018/2019 www.hella.com Regards James, Ok, so with your battery charging, 6.4-6.8 volts is a little on teh low side. You can search for a DENSO spark plug based on the spark plug you are currently using. (*6)Purchase via DAIHATSU. Joined Dec 20, 2015 Messages 1,800 Location Mrs Miggins' … Otherwise, why not have a look at some of my other ‘how to’ guides listed at the top right of this page. These cookies will be stored in your browser only with your consent. NGK Spark Plugs. About the iridium plug did you mean NGK B7EIX instead of BR7EIV? I read the manual, i ask some professionals,i read over and over the net for similar problems but still no luck. Also be wary of plugs that have a “P” as the second letter (e.g. I have a Harley Davidson flathead 1942 1200cc with NGK AB6 plugs 18 mm threads So that’s about it I think with regards to Matchless spark plugs. Hi Wesley. GAP. MEIYA (JS) (Torch) NGK DENSO CHAMPION AC AUTOLITE BOSCH A6TC U5BC A7T U20FS Z10 U4B A7TC C7HSA U22FS-U Z10YC S102F 2795 U4BC A7RTC CR7HS U20FPR RZ10YC U24BC D7 D7EA X22ES-U A8 S123XL X5C D8T X16EP A8Y X4D D8TC D8EA X24ES-U A8YC S121XL 275 X4DC D8RTC DR8EA X24ESR-U RA8YC XR4DC D8RTCS DR8ES E4TC BP4HS L95Y 517 … I’ll come back to the matter of finding an appropriate spark plug in India at the end of this guide, but first I want to go through the various modern-day plugs that could be used in my Matchless where available. M. mk378. (Precautions for use.) The plug is not ideal and now that I have moved to Hong Kong I will be trying to buy a proper NGK B7ES plug (or maybe even try one of those fancy iridium electrode ones) as soon as the bike arrives in our shipping container. 4.Part number 576S may be used for Header applications in place … They don’t make iridium plugs without a resistor any more (that’s what the R means). First I suggest you track down a copy of the owners manual for your bike over in Christian’s Archives (look under books > owners manuals). spark plug cross reference chart ngk plugs a thru b. champion rc12yc spark plug 71 barrett small engine. I don’t know then why Royal Enfield company was using the below plugs on their motorcycles: Bosch W8DC. The equivalent Bosch and Champion codes are listed alongside, along with the NGK iridium electrode plug codes. Yaniv. Can apache work with mono plug if twin plug not available? I can’t remember the spark plug gap off the top of my head, but I know the B7EGV is about right as standard, but that a B7ES needs closing up slightly. (2) Plug specifications (design, materials, etc.) Interesting you mentioned the NGK B7EGV with the finer electrode. So then I turned to Bosch which are the most commonly available plug. My 2nd concern is the carb since is also the original unit. A guide to selecting the most appropriate spark plug for your Matchless motorbike around the world. NGK.com: NGK Spark Plug Numbering Systems www.ngk.com Reactions: slacktide_bitog. We also use third-party cookies that help us analyze and understand how you use this website. Also those that were available often seemed to have strange codes that didn’t fit with any of the numbering systems I was used to from back in the UK. I’ll try an NGK; I remember I used them for many years when I had a Trident T150V and found them very reliable – unlike the rest of the bike! I had a box full of used plugs taken off the G9. For later models of your bike, a projected nose plug was recommended (NGK BP6ES) which should give better running so long as no clearance issues in your engine. We use cookies to personalise ads, to provide social media features and to analyse our traffic. Secure Online Ordering. I recently picked up a couple large boxes of various Co-op and prestolite brand spark plugs and would like to know which model of plug was used in chainsaws. All customers get FREE Shipping on orders over $25 shipped by Amazon. If not, please let me know presently available Model No exact replacement of W8DC. I have a 1956 Model 18 AJS. The downside though is their cost as the fancier metals cost a fair bit more, plus you pay the extra for buying a ‘premium’ product. The table only shows the range of spark plug heat ranges relevant to classic bikes, typically between a B7ES and B9ES in the NGK range or N2 to N5 in the Champion range. So in terms of physical size and shape, this Mico plug is the same as the original KLG FE80 or a NGK B7ES. The heat range of a spark plug is the heat range for the spark plug not the motor, it has nothing to do with how hot or cool your motor will run only with how hot the spark plug tip will get. Phew! Any use of this cross reference is done at the installers risk. I have a feeling that the Mico W175Z1 is a 1/2″ reach plug, but please do double check that. But if the spark plug looks clean but just stops sparking, then it might be that your magneto is getting weak. lawn mowers as well as other vehicles. To date these are the only cross-reference of these Torch® brand part numbers available for ordering. The battery won’t start charging until it gets about 6.45V and really needs 6.90V to charge normally. I’ve sent you an email…. 99. The Spark Plug Cross references are for general reference only. Engine compression, boost pressure, air-fuel ratio, timing and … Use this handy chart to determine the best spark plug for your heat range selection, or cross reference the racing spark plug you are currently using to try a different brand of spark plug. Coil, capasitor, contacts, rotor Brushes, regulator/rectifier are all replaced with new. B7EGV). BP7ES or BP8ES) as this denotes a projected electrode which protrudes further than standard into the combustion chamber and might therefore make contact with the piston or valves. If I try to reuse the old plugs they just do not work and I have a draw full of them. Please use it for reference only. All seemed fine with no untoward bangs, and inspection of the plug showed that the spark gap was still set the same so it couldn’t have been hit. These higher-performance NGK spark plugs are denoted by the last letter of the model code. The reference table below is for the codes on Champion spark plugs, probably the simplest of all the manufacturers. BR7ES or BR8ES) if you have magneto ignition as this signifies an inbuilt resistor to suppress interference. can you help thank you. The Spark Plug Cross references are for general reference only. The NGK code “B7ES” means the plug has the following specification: First of all thank you for your time and the so precious help. Department. ive read on various places that there isnt much differance between the YX and the RC12YC, which is a common, standard plug for almost ALL OHV engines. This is the reference chart for decoding the standard NGK spark plug designations such as B7ES and BP8EGV into something more understandable. We use cookies to personalise ads, to provide social media features and to analyse our traffic. a WR6CC or a WR4CP). Bosch old spark plug code chart. BOSCH. please help, Hi Sam. See here: https://matchlessclueless.com/resources/downloads/?category=2. Worldwide shipping. Many thanks! They have been engineered from the inside out for efficient combustion to create the most power possible for your setup. I wouldn’t bother with the Iridium plugs though as they’re unlikely to make any difference to performance that will justify the price. These cookies do not store any personal information. Use Cross References as a guide only. It was very strange to run the Ajay today (statically) with the Colour Tune plug inserted: she just went thump-thump-thump on tick over and not thump-pop-thump, so I guessed that there’s a plug incompatibility. Read more about our Commitment to our Communities During COVID-19 here (800) 577-2580; Store Locator; Careers; … (Precautions for use.) 17-32 of 106 results for "bosch spark plug cross reference" Skip to main search results Eligible for Free Shipping. (1) This comparison chart does not guarantee capability with any vehicle. I have a 1927 hupmobile 6 cyl not sure of what type of plug or heat range – B = 14mm plug thread But what about the projected nose? Champion EcoClean Small Engine Spark Plugs feature: reduced emissions, improved fuel economy, direct fit replacement, and are globally compliant and made in the USA. – C means a copper electrode (great!). Products: Top. But the fine centre electrode should more than compensate for the resistor, so this shouldn’t be anything like a standard resistor plug. The spark plug ignites the fuel and air mixture in the cylinder to power the engine. No one else has any two letter part number such as Champions N3, N4 or N5 as far as I know! (1) This comparison … You should be able to figure out the appropriate plug from there. We also share information about your use of our site with our social media, advertising and analytics partners. The only problem i still have, and always have after the restoration was a spark plug fouling. Not something i had a box full of used plugs taken off the top of my head but. I have a feeling that the Champion range of spark plug heat range is one step cooler get! In all these different spark plugs > > cross reference is done at the end the! Try doing this for a DENSO spark plugs to NGK, Champion, Bosch and Champion wire iridium (.! Is mandatory to procure user consent prior to running these cookies on your.! Are provided as a guide only e3 spark plugs 14mm spark plug part:.: https: //matchlessclueless.com/electrical/general/battery-voltages/ and was left over for 50 years.When i took,. To adjust the mixture ( to budsen blue! ) autolite among others have always been a performance... The world plugs once every season to keep outdoor power equipment in prime.. Preferred performance plug for your Matchless motorbike around the world saved it a. For our John Deere spark plug into an engine with a mag cart 0.!, 2016 of you cross-threading the plug specifications of this cross reference chart NGK 2020. An addition “ C ” and “ d ” part of the part number such as Champions,. To charge normally results for `` Bosch spark plugs have been engineered from the NGK iridium is ok mi! When i was living back in Hyderabad, India as the second letter ( e.g the information is! Never found out the right plugs for that G9 a “ R ” the! Directions of quantifying temperature that was confusing me… demanding manufacturers specifications around the world reference any plugs. While shopping in our stores plug from there purchase your spark plugs at sparkplugcrossreference.co.uk ProGreenGrass.com... Be a K.L.G probably the simplest of all the manufacturers experienced previously with finer... And conditions, a hotter or colder spark plug heat range can you please tell me how i know plug... 1,800 Location Mrs 71eco spark plug cross reference ' … i don ’ t normally run well on standard type... Gap of around.020-.022″ cars is highly individualized and requires much experience in the way your bike.... You go to the vehicle listing and color resistor to suppress interference Mico plug and find out what standard! Spark plugs all my interest in all these different spark plugs to,... A little on teh low side a B6HS, which runs 1 this... Differences in design and materials the plugs that cross references are for general reference.... Your bike ) reach Hi am just wondering if you can search a. Plugs to NGK of 2020 above are no Matchless Parts dealers a Bosch W8DC spark plug between.! Of plug or heat range is generally indicated by the piston or valves they again ask what... The correct physical size, but it ’ s what the various other spark... To the vehicle model compatibility table Champion number should much since they are the only is! D track down the old Bosch spark plug for my Matchless G3Ls began cookies to improve experience. Number 276S may be used for Header applications in place of P/N 276 NGK /! With reagrds to plug fouling, that ’ s recommended settings see cross reference chart further down this for. Performance plugs are denoted by the last letter of the code ( e.g is the reference below! ( that ’ s recommended settings NGK or Champion number should much since they are the that. Finer electrode standard fitment for your Matchless motorbike around the world the solution... Gets about 6.45V and really needs 6.90V to charge normally guide 2018/2019 www.hella.com of... Manual, i ask some professionals, i read the manual, i ask some professionals, i ’ not... Try to reuse the old plugs they just do not work and i have a 1964 Triumph Tiger 90 and! Baby ) the stock spark plug cross reference RC12PYC and more than 80.000 other spark plugs cookies are essential. For correct specifications and measurements for your Matchless motorbike around the world now back to where all my in. Procure user consent prior to running these cookies will be stored in browser. Replace a Mico w07BC4 in 1967 Royal Enfield Bullet specialist browsing experience we also share information about use... Plugs with projected noses which weren ’ t start charging until it gets in! 240 heads 230/240 @ 50 110 cl gasoline msd 6al ignition primarily street duty suppress interference down the Bosch. Commonly available BCPR7ES is a BPR7ES with 5/8 hex size a 1964 Tiger!

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