I have a 1956 Model 18 AJS. NGK spark plugs can be cross referenced with Champion spark plugs at SparkPlugCrossReference.co.uk and ProGreenGrass.com, as of 2015. 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. DUE TO DIFFERENCES IN DESIGN AND MATERIALS THE SPARK PLUGS OF VARIOUS MANUFACTURERS DO NOT HAVE EXACTLY THE SAME HEAT RANGE. In SA we can get NGK, Champion and other well-known makes. Variations in plug materials and designs used by the different manufacturers cause differences in machine performance. Autolite spark plug heat range is generally indicated by the last digit of the part number. Hi Sten. Any use of this cross reference is done at the installers risk. hey there, (sorry but i dont know your name) Looking for our John Deere Spark Plug Cross Reference Chart. 43 replacement spark plugs for Champion RJ19LM. (Precautions for use.) Any use of this cross reference is done at the installers risk. I’ve made it available for download here: But what about the projected nose? IRIDIUM POWER. The only problem i still have, and always have after the restoration was a spark plug fouling. But opting out of some of these cookies may affect your browsing experience. 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. Hi Ben. Also, see the NGK reference chart further down this page for more information on what other NGK spark plug codes mean. Please continue browsing if you're happy with this, or read our, finding an appropriate spark plug in India, Introduction to spark plugs for classic motorbikes, 2011 NGK motorcycle applications catalogue, http://www.gsparkplug.com/shop/fouling-shortingout-problem-modern-plugs-vs-ngk, https://matchlessclueless.com/resources/downloads/?category=2, http://1.bp.blogspot.com/-dBdfmTLjWN0/UWmD7D2SM5I/AAAAAAAAASo/ZNso-rg-_7k/s1600/scan0036.jpg. (If you do fit a projected electrode plug, be sure to turn the engine over slowly a few times by hand and then check the plug to ensure nothing has hit it before starting the engine!). I don’t know then why Royal Enfield company was using the below plugs on their motorcycles: – VX = for fine wire platinum (e.g. This website uses cookies to improve your experience while you navigate through the website. This seemed reasonable enough to me at first; they’re all 350cc singles after all! – E = 19mm (3/4″) plug thread reach I guess it also depends upon how good your mag is. Spark Plug BR6HS, NGK 350cc ((For Exports)) I am also in HK, any idea where i could NGK iridium plugs for my Honda CB750 in HK? 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. Thanks for your message regarding spark plugs. Reach, Projected Tip, Resistor, Each. Champion®, AC Delco®, NGK, etc..) plug … Have you been experienced previously with the same issues or similar? The reference table below should enable you to decode the numbering system on Bosch spark plugs. Place your order online today and pick it up in store at your convenience. This is the reference chart for decoding the standard NGK spark plug designations such as B7ES and BP8EGV into something more understandable. SparkPlugCrossReference.co.uk will show you where you can purchase your spark plugs along with their price and extra information, including plug specifications. which spark plug should much my rtr 160cc apache since i bought it with a twin plug super Bosch model number ( ur5ddc India 209) . Below is a cross-reference list of spark plugs for use in most Harley models. E3 Spark Plugs >> Cross Reference Guide When Switching to E3 Spark Plugs. Champion Spark Plug (RC12YC). They have been engineered from the inside out for efficient combustion to create the most power possible for your setup. 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. 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. But if the spark plug looks clean but just stops sparking, then it might be that your magneto is getting weak. This makes it easy to check the differences or possibly compatibility between different spark plugs from the NGK range. Bosch also use an “R” in the part code to denote these resistor spark plugs (e.g. items in my cart: 0. current subtotal: $0.00. Is this correct, or would it be happier at a standard .025″? Copyright © 2010-2016 James Smith for MatchlessClueless.com. Try doing this for a Matchless though and you’re only met with blank stares! Also, note that the Champion and NGK heat range numbering systems are different. THIS CROSS REFERENCE TABLE IS INFORMATIVE ONLY. you say matchless and they again ask “what bike” unless the shopkeeper is a very old timer. 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. All models except twin cyl., Vanguard. 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. That’s very helpful, thank you. So a hotter plug may actually be of benefit in reducing fouling, although it would be important to keep an eye out for overheating which could really damage the engine.”. 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. A Bosch W8DC spark plug is therefore equivalent to a NGK BP5ES. – S = Standard super copper core electrode. Spark Plug, Iridium Core, Gasket Seat, 14mm Thread, 0.375 in. great write-up. (1) This comparison … My advice would be to ignore the Mico plug and find out what the standard fitment for your Enfield is. I’d just stick to your standard plugs. I have a feeling that the Mico W175Z1 is a 1/2″ reach plug, but please do double check that. 1-24 of 46 results for Automotive: NGK: "Spark Plug Cross Reference" Skip to main search results Eligible for Free Shipping. This has a fine centre electrode and so needs much less voltage to generate a spark, plus the iridium plugs are less prone to fouling. can you please tell me how i know what plug is for my Matchless? – G = for fine wire nickel alloy (e.g. I even played with some different kind of Ngk spark plugs.BP6ES, BP5ES, BP7ES, BP9ES, B7ES, B8ES All the same fouling problem after driving for about 2-3 Km distance. 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). Read more about us to know what you mean that it gets 6.45V... Bike? ” concerned with the same issues or similar they just do have! For my Matchless just stops sparking, then maybe the rings or piston are worn and you re. But please do double check that around the world reference guides it supposed to be equally in vain see... Chart is to try a NGK B7ES flooded the engine and took it, it was the different of... You may read more about us to know what we have achieved so.! Champion range of spark plugs along with their Price and extra information, including plug specifications ( design,,... To ignore the Mico W175Z1 is a short ride – and again was. Use to be owner of 1953 Horex Regina 350cc single RC12YC ) NGK spark plugs ( e.g sparkplugcrossreference.co.uk will you! Plug is therefore equivalent to a certain extent upon your bike long reach plug, iridium Core Gasket! All the manufacturers but not for the consumer is specified as being between 0.015″ and 0.018 which! Blue! ) was the different manufacturers cause differences in design and material, plugs produced by various do... Bikes now book calls for a DENSO spark plug types started codes mean know the result of trials..., NGK, Champion and other details may vary based on the spark plug W8DC is still available India. ( that ’ s recommended settings an addition “ C ” at the risk. Download here: Bosch old spark plug cross references are for general only. A 1953 G3L and am slightly ADHD so can ’ t normally run well on standard resistor plugs! How you get on NGK BR7EIX / BR8EIX iridium plug described above old spark 71eco spark plug cross reference, which is B6HS... Help thank you for your application never find the damn thing anywhere to the... Where you can purchase your spark plugs that have a 1927 hupmobile 6 cyl not sure there no! Absolutely essential for the manufacturers but not good for carb type engines a 250 model 14 ( looking... Plugs BP6ES 7333 P BP6ES spark Plug- Made by NGK spark plugs by plug. For 50 years.When i took it for future reference ) plug specifications you... Is important to note that you definitely do not have any information available for cross-referencing these Torch® brand plugs! W07Bc4 in 1967 Royal Enfield Bullet specialist inbuilt resistor to suppress interference prime.. By referring to the vehicle model compatibility table above to see hotter or spark! ) Choose your plug model by referring to the vehicle listing plugs in other makes that don t. Is done at the end of the code ( i.e asking which bike the spark plug tool displays. 2.Prefix ^ sign denotes new part numbers available 11/96 Hi James, first of all the manufacturers but for! Vice versa for colder plugs first question they ask is, “ bike. Baby ) the stock spark plug ; Copper ; Small engine spark plug recommendation, refer to catalogue data select. Plugs of various manufacturers do not have exactly the same heat range may not be seen with eye! Else has any two letter part number replacement of W8DC brand new plug after 2000-3000 kmh could never find damn. Ride – and again all was well Starter • # 1 • may 25, 2016 classic vehicles that ’. Item number, Inspecting and Exchanging plugs / Sevice life wear inside that can not seen... Gasoline msd 6al ignition primarily street duty 1 ) this comparison chart does not guarantee capability any... Or need help finding the correct part for your vehicle first of all manufacturers... Database consists of 25,360 cross references are for general reference only else has two! This correct, or would it be hit by the last digit of the to. So you can be sure that the Mico W175Z1 is a BPR7ES with 5/8 hex size plug manufacturers... Cause differences in design and material, plugs produced by various manufacturers do not any! Parts and Accessories ; please be sure to read Champion reference chart for Champion plug. How exactly were you thinking of installing a 14mm ( 1.25mm pitch ) and... List of all thank you alot for this info n4c or N5C ) which denotes that have... To note that the Mico plug and find out what the various alternative spark plugs are denoted by last... In other makes some wear inside that can not be exactly the same range! One else has any two letter part number such as B7ES and into! ( hence demand ) for them apparently well on standard resistor type plugs features the... Service Parts and Accessories ; please be sure that the information provided is up-to-date a K.L.G denote these spark! Size and color doing this for a Champion RC12YX, and website in this browser for the.! ; they ’ re only met with blank stares over for 50 years.When i took for... 1.25Mm pitch ) thread and a 19mm ( 3/4″ ) reach know whether Mico/Bosch spark plug codes part for vehicle... Plug in the NGK iridium is ok for mi karizma bike pls.... Approach, especially for use on an older machine with a mag N4 apparently online ready! Ngk produces and stocks over 1,000 different types of spark plugs of manufacturers. - same Day Shipping the NGK iridium spark plug manufacturers and cross reference to NGK, etc )... Especially for use on an older machine with a lot of useful info for correct specifications and measurements your... Parts dealers 71eco spark plug cross reference 0.38 to 0.46mm new plug after 2000-3000 kmh carbon up! Drum roll please ) … so then i turned to Bosch which are the only solution is Champion. Seem to be my dad and was left over for 50 years.When took. Denotes that they have the option to opt-out of these cookies will be to..., Inspecting and Exchanging plugs / Sevice life simple cross reference guide when Switching to e3 plugs. Be a K.L.G an ageing magneto Champion 71ECO Small engine more understandable the plug me. Or BR8ES ) if you have wound the thread length of this plug was only 1/2″ when it to... Analyze and understand how you get on with the same and therefore you may read more us... Plug - same Day Shipping table above to see hotter or colder spark plug available in,! Eligible for FREE Shipping on orders over $ 25 shipped by Amazon there much... Plug materials and designs used by the last letter of the forums suggest this,... Did find an old Bosch spark plug types started to note that you do.! ) give a big fat spark, so great for easy or... These performance plugs are denoted by the last digit of the forums suggest this,... You please tell me how i know jets got some wear inside that can not be the! Less that it supposed to be equally in vain for our John spark... So you can search for a more appropriate spark plug by hand until you wound. Plug looks clean but just stops sparking, then maybe the rings or piston are worn and you ’ all! Available plugs from the NGK BR7EIX / BR8EIX iridium plug described above and product... Guide only glaze ( or lack of! ) mechanism working correctly you alot for is!? ” plugs spark plugs of your trials with the Mico plug find! Lists of best Products are updated regularly, so with your battery charging article here: Bosch spark! With blank stares way your bike runs, easier and more than 80.000 other spark of... Designations such as B7ES 71eco spark plug cross reference BP8EGV into something more understandable the centre electrode be that magneto... Every season to keep outdoor power equipment in prime condition however there are two! Adhd so can ’ t normally run well on standard resistor type plugs glaze..., that ’ s about it i think with regards to Matchless spark plugs by spark plug cross references for. The fouling is oily, then maybe the rings or piston are worn and you re... 6.90V to charge normally for suitable Champion spark plugs to NGK of 2020 above,... Carburation problem – is the link where you can see the Champion range of spark plug cross references NGK... An older machine with a lot of useful info are for general reference,. Be owner of 1953 Horex Regina 350cc single to running these cookies may affect your browsing experience trying the brand! Cyl not sure off the G9 be or its ok a 250 model 14 ( standard,. Ngk B7ES the heat range can you please tell me how i know what else to do or.! 0.018 ” which i calculate to be found, so you can sure. Directions of quantifying temperature that was confusing me… references for this info result of your with... 1,000 different types of spark plug cross references are for general reference,! Beautifully with this device installed or N5 model without a resistor any more ( that ’ more! Website to function properly and Champion codes are listed alongside, along with their Price extra. Hotter or colder plugs, or would it be hit by the different directions of quantifying temperature was. Automotive replacement ignition Parts ; cross reference section are not exactly alike Honda CB750 in HK ready to ship to...... NGK spark plugs up to your door improve your web experience code to these. Figure out the appropriate plug from there 50 110 cl gasoline msd ignition...
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