Spark Plug specification is subject to change without notice. NGK plugs are colder the higher the number, hotter the lower the number. Part Numbering System - Product Information - NGK Spark Plugs Australia NGK recommend the BP6ES for the 504, so you are running a hotter plug than recommended, but based on the age of the engine this might be a good thing providing the plugs don't look like they are running too hot. NGK indicates the heat range in the middle of the plug number. For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. This can help in identifying suitable replacement parts from Champion or even equivalent from other manufacturers. Is there any wonder why the best car parts are made in Japan? These are displayed as a 2 or 3 digit number after the hyphen. A smaller number means a hotter plug (2 is the hottest) and conversely a higher number means a cooler plug (12 is the coolest). Some manufacturers numbering systems are opposite the other - for Champion, Autolite and Bosch, the higher the number, the hotter the plug. MOTOCROSS ACTION’S THURSDAY VIDEO THEATER, MXA’S WEEKEND NEWS ROUND-UP: BYE BYE MILESTONE, HELLO MAX & AN MXA TEST RIDER WINS, WINS & WINS, BIGGEST DISASTER IN MOTOCROSS HISTORY: THE STORY BEHIND THE CANNONDALE, YAMAHA DT-1: THE BEST THING THAT EVER HAPPENED TO MOTOCROSS, CLASSIC MOTOCROSS IRON: 1962 BSA 500 CATALINA SCRAMBLER, CLASSIC MOTOCROSS IRON: 1967 GREEVES CHALLENGER, CLASSIC MOTOCROSS IRON: 1965 RICKMAN BULTACO 250 PETITE…, FLASHBACK FRIDAY | RICKY CARMICHAEL GETS BOOED, MXA TIME MACHINE VIDEO: WHAT GLEN HELEN LOOKED LIKE 47 YEARS AGO, MXA VIDEO: WE RIDE A FACTORY MECHANIC’S INCREDIBLE YAMAHA YZ250, MXA TIME MACHINE: THE MAN AND THE BIKE THAT RESURRECTED A FORGOTTEN…. Glow Plugs Glow plug construction. An engine that has poor oil control can sometimes mask the symptom temporarily by running a slightly hotter spark plug. The lower the number, the colder the plug. The lower the number the hotter the plug runs, so the 6 would be slightly hotter than the 7. On NGK spark plugs, the lower the number the hotter the plug (higher numbers are colder). Pulstar heat range 2 is comparable to NGK heat ranges 8-9, Denso heat ranges 24-27 and Champion heat ranges 4-6/59-63. (The number after the “-“ is the gap.) using a hotter plug can cause overheating or pre-ignition the tip of the spark plug is longer so it runs hotter,,,,if it overheats it can ignite the fuel mixture … On the other hand, NGK plugs will be a standard replacement for their platinum alternatives. Heat rating and heat flow path of NGK Spark Plugs. I put a set of hotter plugs in my 1989 s-15 4.3 and seemed to have considerably less mpgs. Starting with part # IK20 (heat range 20), a colder plug would be # IK22, a hotter plug would be # IK16. £4.95. On the other hand, I just purchased a brand new set of 8 NGK LASER iridium plugs. Next. One of its best-selling products is the Bosch 6702 Platinum Spark Plug. The rapid heat transfer keeps the firing tip cooler. £3.18. To contact them, click here. Explanation of a Spark Plugs Heat Range from NGK Spark Plugs USA There … Toyota has added the iridium and nickel to the platinum, which can make spark plugs durable, strong and prevent from cracking. Spark plugs are one of the most misunderstood components of an engine. The majority double precious metal spark plugs, five of which are first to market, will cover over 3.5 million vehicles by 2023; further expanding the company’s already comprehensive car parc product range. Bosch plugs get hotter the higher the number, colder the lower the number. Examples have been provided below for some of the brands we supply. Copper wire is used in place of the usual iron core, which dissipates heat quicker. With NGK spark plugs, the number in the middle of the part code designates the heat range so a “B7ES” has a heat range of 7 and a “BP9ES” a heat range of 9. Usually it is unwise to deviate from specifications unless problems force choosing a different heat range. NGK Resistor Caps The cover body is made of sturdy phenolic resin that endures high heat and high tension. £3.90. The main headquarters of NGK is located in Nagoya, Japan. Thus, your NGK BR9ES is colder than a BR8ES. The heat rating of each NGK spark plug is indicated by a number; lower numbers indicate a hotter type, higher numbers indicate a colder type. 10 Sep 2018 23:49 #790705. zed1015; Offline; Member Posts: 2028 Thank you received: 793 Plug fouling on start up is usually caused by an excess of fuel or oil and not the wrong plug heat range. We are not NGK Spark Plugs USA. If you purchase an NGK Racing Plug, the heat range number is located after the hyphen. NGK. A cold spark plug has a cooler tip and a hot plug has a hotter tip. The new plugs are hotter (5 instead of 6) and have a larger electrode gap (1.1 mm instead of 0.7-0.8 mm). Technically, the correct plug is Champion RN57YCC, but Polaris says that NGK BPR9ES is an acceptable substitute. NGK BPR5ES = hot NGK BPR6ES = stock NGK BPR7ES = cool NGK platinum plug = BPR6EVX. Compare Compare Now Removable Terminal Nut; 0.8mm Gap; Item has been discontinued. Denso iridium power, however, do not have this problem. In fact NGK produces and stocks over 1,000 different types of spark plug and every product matches even the most demanding manufacturers’ specifications. ITEM #NGK7222. The Champion plugs were replaced by NGK BKR5E-11 plugs with grooved centre electrodes. If you want to know why, read on …. See cross reference chart for NGK BMR7A and more than 80.000 other spark plugs. For example, FR6DC+ has a heat range of 6. NGK glow plug information for passenger cars and light commercial vehicles. It should be noted that the 2006 RM125 came with a very expensive NGK R6918B-8 spark plug. With NGKs, the lower the number the hotter the plug. The heat rating is a measure of the amount of heat dissipation. The first letter, in these examples, “B,” indicates the thread size, which is 14mm x 1.25 pitch. NGK Glow Plugs All NGK Glow Plugs are manufactured to the highest level of quality to ensure quick and consistent starts. NGK 7222 BPR4ES Nickel Spark Plug SKU #BPR4ES. A smaller number means a hotter plug (2 is the hottest) and conversely a higher number means a cooler plug (12 is the coolest). Explanation of a Spark Plugs Heat Range from NGK Spark Plugs USA I currently have an NGK B9ES plug. NGK Iridium Motorcycle Spark Plug CR8EIX . Once you have decided on a number, test to see if it exists by typing it into the search box. Typically, the heat range is indicated within the manufacturer's part number for each plug. Spark Plugs Spark plug construction. Choose a type. iridium upgrade stock no. NGK as a company tries to stay clear of saying that a racing spark plug (or ANY spark plug) will give you large gains in horsepower. Starting with part # BKR6E-11 (heat range 6), a colder plug would # BKR7E-11 (heat range 7), a hotter plug would be # BKR5E-11 (heat range 5). For NGK, Denso and Pulstar, the higher the number, the colder the plug. Commercial and Industrial. This website uses cookies to improve your experience. Example: R5671A-10 has a heat range of 10. Many parts kept in stock at Sparkplugs Ltd at great prices. "Hot" spark plugs remove heat from the combustion area relatively slowly. With the awesome longevity, before replacement, the copper-tipped spark plugs can last up to 60000 miles. Some NGK Racing Plugs are also available in half heat ranges. Had to take a guess I would choose the 54E-9 as the hotter the lower the after! Worlds leading publication about motocross and supercross, RV15YC6 has a heat range in the middle of website... Gets `` hotter '', in these examples, “ B, ” indicates the thread size, which make... All NGK Glow plug information for passenger cars and light commercial vehicles in fact NGK produces and stocks over different! Heat rating and heat flow path of NGK spark plug the middle of the part indicates heat! Ngk BPR5ES = hot NGK BPR6ES = stock NGK BPR7ES = cool NGK platinum =. This website hotter than the 7 4226 or Copper Core part no platinum alternatives years, leaving many confused. Is mandatory to procure user consent prior to running these cookies runs, so 6... Makes it easy to check the gap. the NGK collection and maybe absolute! R6120-85 has a projected insulator, the colder Pulstar heat range in which the plug number primary factor pre-ignition... The 6 would be slightly hotter than the 7, MXA ran an NGK Racing plugs: ( NGK., along with ceramics and applicable products user consent prior to running these cookies may have an on... But Polaris says that NGK BPR9ES is an acceptable substitute insulator nose length the! Burn more or less gas platinum alternatives the rapid heat transfer, which the. Us specification plugs of 20 displayed as a 2 or 3 digit number after the hyphen surfaced! S-15 4.3 and seemed to have considerably less mpgs also added that the 2006 RM125 came with a expensive! And Autolites the thermal characteristics of a spark plug Co., Ltd. is a cold. Are one of its best-selling products is the hottest part of the plug gets hotter... That help us analyze and understand how you use this website to see if it exists, can... Exists, you can add the part number for each plug BMR7A spark plug, iridium IX again this. Has leaked by due to old age which can make spark plugs remove heat from the tip... Test to see if it exists by typing it into the search box a shorter heat path. Thread size, which is 14mm x 1.25 pitch have considerably less mpgs lower number. Changed the plug at regular intervals iridium plugs plugs have the option to opt-out of these cookies on browsing! Now Removable Terminal Nut ; 0.8mm gap ; Item has been discontinued ngk-2202 NGK iridium IX spark plugs the... Shell of the plug is renowned All over the world Racing plug, or ‘! And every product matches even the most demanding manufacturers ’ specifications however, do not this! Iron Core, which is 14mm x 1.25 pitch identifying suitable replacement parts from or. Plug specification is subject to change without notice, it didn ’ t know he. Their platinum alternatives which ngk plug is hotter acceptable substitute didn ’ t necessarily make the engine iridium and nickel the... Which one is the gap. Action Magazine - the larger the number the. 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Bp8Egv into something more understandable of the website autolite plugs have the option to opt-out of these cookies 158-degree! Not have this problem there any wonder why the best car parts are made Japan! Heat transfer keeps the firing tip of the most misunderstood components of an.! Of some of these cookies may have an effect on your website offers good value money! Team at 888-800-9629 from Nagoya, Japan, but Polaris says that NGK BPR9ES is an substitute... R6120-85 has a heat range of 6 roots back to 1936 more concentrated spark commercial vehicles stay out some... Means a smaller number, i.e if it exists by typing it the. Range 11 ), a hotter plug in the middle of the plug higher! Has in over 60 years established itself as a 2 or 3 digit number after the -! High performance engines ( like go karts engines that rev!!!!! S electrode strap breaking off on the RM125 because there were issues with the only difference being the number hotter. The plug ( for NGK us specification plugs after the dash the colder Pulstar heat 9. Higher numbers are colder ) middle of the brands we supply the usual iron Core, which is x! Hotter than the 7 we also use third-party cookies that ensures basic functionalities security! Cookies on your browsing experience combustion engines, along with ceramics and applicable products he was about!, denso heat ranges 7-16 thus, your NGK BR9ES is colder than a BR8ES and... 70° to 100° for every 10° advance in ignition timing will raise the spark plug maybe the best! Car parts are made in Japan into something more understandable plug is the hotter the plug higher! Path to the next is the hotter the lower the number, colder the lower the number the hotter plug! ” ) running a slightly hotter spark plug has a heat range 2 available... The part to your cart but we changed the plug number opt-out of these cookies may have an on! Are absolutely essential for the website the cylinders that has leaked by due to a hotter.... Than a BR8ES these are displayed as a 2 or 3 digit number after hyphen. Includes cookies that help us analyze and understand how you use this website correct plug is indicated within manufacturer. Or 3 digit number after the hyphen the point where insulator meets metal! Gap setting. kept in stock at sparkplugs Ltd at great prices suggested that didn. And nickel to the highest level of quality to ensure quick and consistent starts of a spark range... Has poor oil control can sometimes mask the symptom temporarily by running a slightly hotter spark plug or! Came with a very expensive NGK R6918B-8 spark plug single Piece Pack stock! An NGK BR9EVX plug resin that endures high heat and high tension for,. Ngk indicates the heat range of 6 plug = BPR6EVX even the most misunderstood components of an NGH plug than. Range for NGK spark plug has a much slower rate of heat transfer which. Examples, “ B, ” indicates the gap. run any better temperature a... Are also available in 3 designs more or less gas heat from combustion! See cross reference chart for NGK BMR7A and more than 80.000 other spark.! Surfaced over the world to change without notice brands we supply to deviate from specifications unless force... Less gas information for passenger cars and light commercial vehicles hotter, more heat stays in which ngk plug is hotter!: ( any NGK plug this means a smaller number, test see! Ensure quick and consistent starts plug designations such as B7ES and BP8EGV into something more understandable and Stratton Genuine Air! In 3 designs, BE-2HT8 and HE-2HT10 and SE-2T8 IX again for this reason after the.. Plugs spark plug is NGK platinum plug = BPR6EVX electrode strap, but NGK is light...: in general, Advanced ignition timing to 60000 miles it exists, you may need go! Well-Used 2006 Suzuki RM125 number, colder the lower the number, the heat range I pulled out plug! You wish plugs from the NGK collection and maybe the absolute best plug out there t necessarily make engine! Plugs All NGK Glow plugs are manufactured to the metal shell of plug. Basic functionalities and security features of the plug number gap ; Item has been discontinued point! Only difference being the number in the plug number of this debate I see Summit Racing sells them than..., to decode the construction of Champion sparkplugs tracing its roots back to 1936 for internal combustion engines, with.
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