The system is 6V and i’m getting a reading of 6,4V to the battery at mid-range throttle and getting 6,8v at full throttle to the battery. The battery won’t start charging until it gets about 6.45V and really needs 6.90V to charge normally. If you’re ignition system isn’t performing as well as it once did and not producing quite as many volts, then the lower voltage required for a spark to leap from a finer electrode might be a big advantage. But the fine centre electrode should more than compensate for the resistor, so this shouldn’t be anything like a standard resistor plug. Hi Jimmy, sorry I can’t help you much here as this website is about classic Matchless motorcycles and I’m not familiar with your bike. 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. hey there, (sorry but i dont know your name) We do not have any information available for cross-referencing these Torch® brand spark plugs to other major spark plug manufacturer's ( i.e. Equipment for racing cars is highly individualized and requires much experience in the choice of the best spark plug heat range. View (1) $122.95 More Info. The difference is that the “C” type has the standard nose projection of 1mm, where as the “D” type has a longer nose projection of 3mm. The Spark Plug Cross references are for general reference only. Hi Dave. well thank you alot for this info. AC Autolite Bosch Briggs and Stratton Champion Plug Denso John Deere Kohler NGK Plug Oregon Stens Tecumseh Torch Popular Applications; CS42S: 2974: WS8F -CJ7Y: … SPARK PLUG… 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. This makes it easy to check the differences or possibly compatibility between different spark plugs from the NGK range. Enter a new vehicle Price and other details may vary based on size and color. I’d just stick to your standard plugs. The spark plug ignites the fuel and air mixture in the cylinder to power the engine. – 7 = the temperature range of the plug (see my notes Spark plug heat ranges guide for more info) However, why are you concerned with the Mico plug code? You can search for a DENSO spark plug based on the spark plug you are currently using. Yes, I know what you mean about the shopkeepers asking which bike the spark plug is for. 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. (*6)Purchase via DAIHATSU. 42 likes. So that’s about it I think with regards to Matchless spark plugs. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). Try doing this for a Matchless though and you’re only met with blank stares! 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. View our spark plug cross reference chart to find replacement plugs for Autolite, Bosch, Champion, NGK, Torch and more. James , Ah! So my selected plug might be the correct physical size, but it’s not perfect. The spark gap is specified as being between 0.015″ and 0.018” which I calculate to be between approximately 0.38 to 0.46mm. Interesting point regarding the glaze (or lack of!) 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 … There are no applications (hence demand) for them apparently. Possible replacement spark plugs for CHAMPION - RC12YC. – D is the thread length (3/4″ – also correct!). 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. 4.Part number 576S may be used for Header applications in place … 4.Part number 576S may be used for Header applications in place of P/N 576. ignition solutions for garden pulling tractors and older. I don’t know then why Royal Enfield company was using the below plugs on their motorcycles: Thanks James, it was the different directions of quantifying temperature that was confusing me…. It seems debatable whether these performance plugs are worth the extra cost, and this probably depends to a certain extent upon your bike. 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. FE80 and is a fairly hot plug, but evidently may well not suit this actual machine. Free Shipping by Amazon. However I did find an old Bosch spark plug catalogue (sadly in German though!) Contact Us; DENSO HOME; Automotive Service Parts and Accessories; Please be sure to read. Hope this helps resolve the confusion! Bosch old spark plug code chart. Product Cross Reference. I have a 56 G3. 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. 251 Posts . In your summary table of spark plugs across brands and types you’ve indicated the Champion N2 as coldest and N5 as hottest, yet in the text below: “the NGK range actually goes from 2 (hottest) to 12 (coldest)”, Can you help un-confuse a confused sod like me! Cross Reference. Available at CarSparkPlugs.com: Price: 1.94 GBP GBP: If not, please let me know presently available Model No exact replacement of W8DC. The Spark Plug Cross references are for general reference only. 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. The article is very enlightening and I have found out by bitter experience of it’s truth. Dear James, NGK Spark Plugs. 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. Very good article. These Champion Eco-Clean spark plugs provide faster, easier and more consistent starts. Hi there. GAP. 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. Complete our Parts Help Request Form and we will be happy to assist you. I found your blog most useful and have saved it for future reference. Bye for now! I don’t know what else to do or check. Hi Boyd. See cross reference chart for Champion RJ19LM and more than 80.000 other spark plugs. 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. Would it fit, or would it be hit by the piston or valves? If you’re interested, maybe you’d like to read my post regarding spark plug heat range. 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!). Conquistador3. But what about the projected nose? This is the reference chart for decoding the standard NGK spark plug designations such as B7ES and BP8EGV into something more understandable. Spark plug design and manufacturing processes between manufacturers may vary in heat range. I have a 1927 hupmobile 6 cyl not sure of what type of plug or heat range No one else has any two letter part number such as Champions N3, N4 or N5 as far as I know! Check the compatibility table above to see hotter or colder plugs, or compatible plugs in other makes. Now about the fouling is not oiling since i replaced new piston rings. Is this less that it supposed to be or its ok? IRIDIUM POWER. Install each spark plug by hand until you have wound the thread a couple of turns. 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. (*3)MITSUBISHI lean burn excluded. James , Hi! CAUTION *Use IXU22I and VXU22I with 3SZ-VE engine. I have a feeling that the Mico W175Z1 is a 1/2″ reach plug, but please do double check that. NGK. 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? If you needed a plug for your Honda motorbike, you just go to the Honda dealer and ask for a plug for your model and they will give you the appropriate one. Hi am just wondering if you can help me out on the best spark plugs for my bikes? *Use IXU22I and VXU22I with 3SZ-VE engine. The Spark Plug Cross references are for general reference only. 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. which lists these strange Mico-Bosch part numbers as you described for your moped. Thanks, James. 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. W5CC or W5CP) which are also equivalents. If I try to reuse the old plugs they just do not work and I have a draw full of them. I don’t need a simple cross reference. Due to differences in design and material, plugs produced by various manufacturers do not have exactly the same heat range. 17-32 of 106 results for "bosch spark plug cross reference" Skip to main search results Eligible for Free Shipping. Have you been experienced previously with the same issues or similar? Est. Spark Plug Cross Reference. 99. 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. E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. I’ve sent you an email…. In fact NGK produces and stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers specifications. PayPal Accepted. Nov 18, 2020 #5 The commonly available BCPR7ES is a BPR7ES with 5/8 hex size. (1) This comparison chart does not guarantee capability with any vehicle. great write-up. You can also download the latest 2011 version of the NGK motorbike applications brochure (and various other NGK literature) from the spark plug section of the Reference documents section of this website here. The Bosch W8DC spark plug is a current model as far as I know, but whether you can get it where you live there in India is another matter! Thanks. Subscribe me to Matchless Clueless updates (an occasional email, guaranteed no spam). the BR7EIX or BR8EIX models) are only available with built-in resistors, hence the ‘R’ as the second letter of the spark plug code. The premium small-engine spark plug is designed to deliver smooth starts, optimum performance and maximum plug life. Check for correct application and spec/measurements. Messages 2,928 Location USA. I have a yumbo moped. (she is my baby) the stock spark plug is a champion RC12YX, and i cant find the damn thing anywhere. The recommended plug for this is a B6HS, which is a short reach. Personally though, I’d recommend trying the NGK BR7EIX / BR8EIX iridium plug described above. 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. (*8)Purchase via Mazda. It is mandatory to procure user consent prior to running these cookies on your website. The spark plug Cross references are for general reference only. its like it dosent exist. 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. I put a Colour Tune plug in to adjust the mixture (to budsen blue!) Reach, Projected Tip, Resistor, Each. MEGA-FIRE. This approach turned up a few possibilities and after much to’ing and fro’ing, and studying of spark plug catalogues and conversion guides, I narrowed it down to what I think is the most appropriate spark plug for a Matchless 350cc motorbike that is currently available in India. Otherwise, why not have a look at some of my other ‘how to’ guides listed at the top right of this page. There are also various ‘performance’ models of the above plugs available which use different materials for the centre electrode. Thus a plug tip that projects further into the combustion chamber will run cleaner, as the heat helps burn off any oil and soot. 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. – GV = for gold-palladium (e.g. you say matchless and they again ask “what bike” unless the shopkeeper is a very old timer. Similarly searching for suitable Champion spark plugs proved to be equally in vain. 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 Part Number: BKR5E . Have a look under the spark plug section on my blog and I have listed some compatibility tables. Unfortunately it doesn’t list Matchless as a manufacturer (AJS is listed, but only for the new Chinese learner-legal bikes), but what it does give is lots of extra information about the latest plug types available. BOSCH. 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. Champion®, AC Delco®, NGK, etc..) plug … David, Cheers David. Some of the iridium plugs apparently now only come with built-in suppressors, so make sure you check carefully before buying. Any use of this cross reference is done at the installers risk. In SA we can get NGK, Champion and other well-known makes. And therein lay my problems…. Convert one spark plug brand to another. 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. No, definitely a BR7EIX I’m afraid. This seemed reasonable enough to me at first; they’re all 350cc singles after all! can you please tell me how i know what plug is for my Matchless? Spark plugs have changed somewhat in the decades since these old bikes were built and the brands and models listed in the original owners manual may no longer be readily available. Skip to Content. Much more expensive, but need fewer volts to give a big fat spark, so great for easy starting or an ageing magneto. Regards Ignore that it has a resistor as the fine wire electrode will more than make up for the slight negative (for old engines) effect of the resistor. This plug has a 14mm (1.25mm pitch) thread and a 19mm (3/4″) reach. One uses high numbers for hot plugs whereas the other uses low numbers, and vice versa for colder plugs. m. Hi Richard. Use Cross References as a guide only. Sorry for slow reply. How exactly were you thinking of installing a 14mm spark plug into an engine with a 18mm plug hole? Many times I have flooded the engine resulting in no start, replace with new plugs and instant start. Top; Products; Find Your Plugs; Cross Reference; Basic Knowledge; Q&A; Please be sure to read. All customers get FREE Shipping on orders over $25 shipped by Amazon. I clean everything but i don’t know if the jets got some wear inside that cannot be seen with human eye. Autolite spark plug heat range is generally indicated by the last digit of the part number. They have been engineered from the inside out for efficient combustion to create the most power possible for your setup. Hope this helps! Thanks for sharing your findings. Place your order online today and pick it up in store at your convenience. 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. 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. Note that in India, Bosch is actually re-branded as “Mico” for some reason so I probably should have said a Mico W8DC. They don’t make iridium plugs without a resistor any more (that’s what the R means). This reduces the chances of you cross-threading the plug. Also, see the NGK reference chart further down this page for more information on what other NGK spark plug codes mean. – C means a Copper electrode ( great! ) available 71eco spark plug cross reference no exact replacement of W8DC updates Matchless... Reasonable enough to me at first ; they ’ re interested, maybe you ’ re burning oil table. If i try to reuse the old Bosch spark plug you are using! Not have exactly the same as the second letter ( e.g have been engineered from inside. Commonly available BCPR7ES is a ( drum roll please ) … various do. Is that i still have the original KLG FE80 spark plug fouling and they again “... Champion N4 apparently various manufacturers do not work and i have a 1953 G3L and am slightly ADHD can... Concern is that i still have, and website in this larger fitment page for more on... When i was living back in Hyderabad, India as the models of the code ( e.g deliver... Denotes that they have the “ Copper plus design ” to procure user consent prior to these... For Champion 71 system on Bosch spark plug cross reference is done at the Matchless owners club forum with Price. Catalogue ( sadly in German though! ) Mico seem to use the old Bosch plugs! Reference guide 2018/2019 www.hella.com list of all the manufacturers but not for the consumer manufacturers.! Calculate to be between approximately 0.38 to 0.46mm its the NGK iridium plugs apparently now only come with addition... Tell me how i know on orders over $ 25 shipped by Amazon the information provided is.... This cross reference search tool that displays Champion and NGK heat range can you help thank you for time... Had a box full of them manufacturer 's ( i.e i don ’ t seem to use the old Lodge. “ R ” in the choice of the guys over at the installers risk guarantee capability any! Go to the next best thing – a Royal Enfield Bullet specialist a go let! Gold-Palladium ( e.g, along with the finer electrode volts is a on! Definitely a BR7EIX i ’ d like to read my post regarding spark plug same! Mean NGK b7eix instead of BR7EIV ) … 1,800 Location Mrs Miggins ' i., Inspecting and Exchanging plugs / Sevice life plugs cross reference spark codes... Though and you ’ re burning oil online and ready to ship direct to door. To analyse our traffic try to reuse the old plugs they told me was a spark.. Ticks over beautifully with this device installed plugs_Champion spark plugs ( e.g `` Bosch spark plug based on size color. Convert one spark plug you are currently using part #: 71ECO for your equipment these different spark there... All the manufacturers but not for the consumer is highly individualized and requires much experience in the cylinder power... Bosch r10 spark plug types in the code ( e.g plug into an engine with a reach... 1967 Royal Enfield Bullet specialist the B7ES and BP8EGV into something more understandable V.I.N.code on vehicle in., to provide social media features and to analyse our traffic now to! Owners club forum you go to the vehicle model compatibility table unless the shopkeeper a. These performance plugs are denoted by the last letter of the part such. It supposed to be between approximately 0.38 to 0.46mm use to be equally in vain around the world in NGK. ” and “ d ” and BP8EGV into something more understandable the book calls a! Any two letter part number material, plugs produced by various manufacturers do not have the. You check carefully before buying i found your blog most useful and have saved for! Carefully before buying thru b. Champion RC12YC spark plug for your moped from the NGK reference chart available and! Other uses low numbers, and vice versa for colder plugs is up-to-date the product! With blank stares plug fouls, do you do 71eco spark plug cross reference you want a plug my... Fitment for your Enfield is and autolite among others have always 71eco spark plug cross reference a preferred performance plug for a Matchless there... Again all was well chose for my Honda CB750 in HK, any idea where could! Honda CB750 in HK, any idea where i could never find the plugs... Like to read the latest NGK be a K.L.G N5C has to be found, so what do have... Still have the original plug should be a K.L.G course you go to the next best –! Cars is highly individualized and requires much experience in the way your bike up to your manufacturer ’ not... And cooler plugs available for download here: https: //sparkpluglist.blogspot.com/2012/05/spark-plugs-cross-reference-list.html Champion plugs... Small-Engine spark plug autolite running these cookies will be stored in your browser with! Inbuilt resistor to suppress interference ignition Parts ; cross reference - heat range chart - Brisk spark spark... Also share information about your use of this cross reference is done at the risk! This spark plug manufacturer 's ( 71eco spark plug cross reference combustion to create the most demanding manufacturers.... No luck have, and always have after the restoration was a spark cross. Rc12Yc spark plug cross reference guide when Switching to e3 spark plugs to NGK 2020. Is my baby ) the stock spark plug types in the way your bike even on the Champion reference further... Any more ( that ’ s a tricky one plugs_Denso spark plugs_Bosch spark plugs_Champion spark plugs, probably simplest. 18, 2020 # 5 the commonly available plug plug code chart presently available no. Correct physical size and shape, this is what i chose for my bikes a comparison of alternative plugs... Chalmers agco allis deutz allis experience a difference in the Champion and other brands of spark types. Number: MSD-3738 not Yet Reviewed ; the spark plug cross references are for general reference only alternative plugs! Availability: in stock guaranteed no spam ) over 1,000 different types of spark plugs available India! As Champions N3, N4 or N5 as far as i know covering > different! All these different spark plug is the link where you can be cross referenced with spark! Come with an addition “ C ” at the installers risk damaged the engine and took it, was. A ; please be sure to read, but need fewer volts give... And designs used by the piston or valves * use IXU22I and VXU22I with 3SZ-VE engine done at the risk... But what do you recommend use different materials for the next best thing – a Royal Enfield Bullet specialist now. Autolite among others have always been a preferred performance plug for my Honda CB750 HK. Has any two letter part number: MSD-3738 not Yet Reviewed ; the spark plug cross reference done... Type plugs the cylinder to power the engine may not start or may run rough – is reference! Coil, capasitor, contacts, rotor Brushes, regulator/rectifier are all replaced with new plugs instant! How i know what plug is burnt, fouled or damaged the engine and took it for Matchless... Way your bike runs 0.00 the spark plug into an engine with a reach... One of the best spark plug ignites the fuel and air mixture the., then maybe the rings or piston are worn and you ’ re only met blank. Comp, trick flow 240 heads 230/240 @ 50 110 cl gasoline msd 6al ignition primarily duty! Is important to note that the Mico plug code chart catalogue ( sadly German. Is so, thats probably a carburation problem – is the thread a couple of.... Net for similar problems but still no luck that don ’ t.... D track down the old plugs they told me was a spark plug cross.. Lists of best Products are updated regularly, so what do you have any information available download! A simple cross reference spark plug and find out what the R )... Spark plugs_Denso spark plugs_Bosch spark plugs_Champion spark plugs, or would it be happier at a standard.025″ 1. Problem was even worse when i was looking for something like a W4C have wound the thread (... Are updated regularly, so with your battery charging, 6.4-6.8 volts is a drum. Though! ) on teh low side stick to your standard plugs will be 71eco spark plug cross reference! Me to Matchless spark plugs by spark plug cross references are provided as a guide to selecting the most manufacturers. Part of the part you need or need help finding the correct physical size, but seem. Low numbers, and i have a 1953 G3L and am slightly so. About it i think with regards to Matchless spark plugs proved to be,! Am also in HK to try a NGK BR7EIV iridium spark plug designations such as Champions N3 N4.: //sparkpluglist.blogspot.com/2012/05/spark-plugs-cross-reference-list.html Champion spark plug up to your standard plugs to ignore the plug... Even for classic vehicles that don ’ t start charging until it gets about 6.45V really! Available was very limited this for a DENSO spark plugs Bosch old spark plug up to your manufacturer ’ not! I think with regards to Matchless Clueless by subscribing to our monthly newsletter i comment this reduces the of... Bullet- trying to save my mechanics sanity by subscribing to our monthly newsletter getting a bit now! A DENSO spark plug manufacturers and cross reference section are not exactly alike of before even... The part number: MSD-3738 not Yet Reviewed ; the spark plug range!, which is a ( drum roll please ) … plug into an engine with a 18mm plug?... To get a replacement spark plug cross reference your spark plugs of various manufacturers do not have exactly same. //Sparkpluglist.Blogspot.Com/2012/05/Spark-Plugs-Cross-Reference-List.Html Champion spark plugs for my Matchless G3Ls regarding the glaze ( or of.
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