Because we want you to check your spark plugs at least annually, we did not include the symptoms of fouled spark plugs at the beginning of the article. An example of an NGK racing plug is R5671A-11. Causes can include the engine overheating, incorrect spark plug heat range, a loose spark plug, incorrect ignition timing or too lean of an air/fuel mixture. . Additionally, they are excellent bellwethers pointing to potential problems with your engine. NGK Standard Spark Plugs are proven technology that offer reliable performance. 2. See recommendations sections for specific engine application. So the center electrode can be a smaller diameter without sacrificing service life. All ordered products are subject to valid terms and conditions supplied by NGK SPARK PLUG Europe GmbH. - NGK lists a design symbols chart in the front of every spark plug catalog. In general, if an engine logs lots of hours trolling, and the plugs are black, it's a safe bet the plug isn't hot enough. 2022 DRiV Incorporated. The spark plug Cross References are for general reference only. Finally, the fuel octane might be too low for the engine, or the gas stale. NGK Laser Iridium spark plugs offer the best combination of performance and longevity. We carry a variety of NGK marine spark plugs to fit your outboard or inboard watercraft motor. Only use the torque wrench on tightening. Need Help? Insert new spark plugs, and hand tighten to ensure that you do not cross thread the plugs. You can clean the spark plugs or you can just wait for them to dry out. So we'll work time & material. The root causes of spark plug fouling or overheating must be corrected quickly to prevent engine performance deterioration and possibly severe engine damage. This online catalogue is made for information only. The world leader in spark plug technology for over 80 years. Personally, I don't trust that axiom and gauge the clearance to make sure. Specification is subject to change without notice. Yamaha OEM Outboard Primary Fuel Filter Element 6D8-WS24A-00-00. Before resecuring your spark plug boots, apply a little dielectric grease to the plugs ends. MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. Terms of Use | Privacy Policy The ignition spark is more concentrated, improving ignition for better fuel economy, stronger acceleration and sharper throttle response. But aluminum deposits adhering to the electrodes means pre-ignition is melting aluminum alloy off the pistons. In all VRO-equipped motors, the "Q" type plug is recommended (Designated by "Z" in the plug number for NGK). Just my 2 cents. NGK spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. NGK NTK Technical Training PUT SOME FIRE ON THE WATER. For example, if the gap is supposed to be 30- to 40-thousandths of an inch, as close as possible to 30-thousandths. Copper core spark plugs feature a longer than normal insulator nose. Check for correct application and spec/measurements. Genuine Briggs & Stratton Platinum Spark Plug - 5066K. SALES - Order Online 24/7 Don't use cross reference charts, instead use a Champion chart to recommend a Champion brand plug, an an AC chart for AC plugs, and Autolite for Autolite and NGK for NGK. Actual OE or equivalent replacement spark NGK BPR6FS Spark Plug NGK SPARK PLUG Europe GmbH will not accept liability for any inaccuracy. This site is protected by reCAPTCHA and the Google We proudly endorse NGK quality and engineering. Permatex - Dielectric Tune-Up Grease, 3 oz $ 12.07. . NGK Standard plugs are an OE cornerstone that have provided decades of reliable performance. Shop with confidence - get free shipping to home or stores + price match guarantee! A wet spark plug can be the result of the engine flooding. For instance, consider the handy-dandy cross reference charts that tell you an Autolite XYZ is the same as a Champion QRS. When test running an engine, the oscilloscope pinpoints which plugs are firing and which ones are dead. With a full line of spark plugs, coils, and wire sets, NGK covers 95% of import and domestic vehicles on the market. Get to know all about our new company name and what our future vision looks like: Products for Marine and Personal Watercraft, The Ultimate Testing Ground for NGK and NTK Products, Data Security Information for Online Meetings (PDF). Perform this exam as routine maintenance, even when the engine is running fine. Place your engine's throttle in the neutral position. NGK spark plugs come pre-gapped. Iridium Spark Plugs: Iridium is a precious metal six times harder and eight times stronger than platinum and boasting a 1,200 degrees (F) higher melting point. This can be caused by a dirty air filter, excessive driving at low speeds, too rich of a fuel/air mixture or idling your vehicle for too long. Shop now! Once the problem is addressed, you can replace the spark plug. NGK Outboard Motor Spark Plug Guide Table of Contents Outboard Motor Brand NGK spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. Other possible culprits might be the wrong pitch propeller or a defective cooling system running the engine over temperature. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation NGK DCPR6E Spark Plug This coloration can result when your engine operates at a temperature range that is too high or runs in excessively lean conditions. The iconic brands - NGK and NTK - have built up highly impressive levels of brand loyalty and will therefore continue to exist for the companys respective ignition and sensor businesses. art's at central warehouse, you'll get it next month. NGK Spark Plugs Serves as a lighter to ignite the air/fuel mixture under extreme conditions. This item: NGK Spark Plug Stock # 1643. On the other end of the spectrum, if the engine logs most of its hours running at wide-open throttle, and the insulators are blistered, try a colder plug. This information is disseminated in good faith, however MasterTech assumes NO LIABILITY whatsoever in regard to this service. Decoding Chart With such an tester, you don't suffer the expense of blind remove and replacement. In addition, special oxygen sensors for inboard boats and outboard engines ensure high quality and reliability in seawater. Any use of this cross reference is done at the installers risk. Shop Yamaha Outboard Spark Plugs on Wholesale Marine! Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation NGK BPZ8HS-10 Spark Plug You can buy in confidence knowing all our products meet OEM standards. 3. Privacy Policy and With our price match guarantee, you can rest assured you are receiving a quality product at a fair price every time. NGK DCPR6E: Japan: 0R131842 : 33-803507: 4 4 Stroke.035: NGK DCPR6E: Japan: 0R000001 : 33-803507 . Place your engines throttle in the neutral position. 3. The stock number is 6596. Extended Life Series Platinum Spark Plug. NGK Standard spark plugs are proven technology that offer reliable performance. Using your torque wrench with a spark plug socket, carefully remove each plug. Please review our Warranty, Returns & Refunds policies before you place an order. Mercury Outboard Spark Plug Chart. - And because copper dissipates heat faster than the normally nickel-alloy electrode, the heat range is broadened. 11 0 obj <> endobj 37 0 obj <>/Encrypt 12 0 R/Filter/FlateDecode/ID[<8EC06C7D21E64D978D23EB7C6BFBFA40><817B128E3C1B443BAFB54C14BF48AB3D>]/Index[11 52]/Info 10 0 R/Length 117/Prev 222916/Root 13 0 R/Size 63/Type/XRef/W[1 3 1]>>stream Per se, other than corrosion resistance, there really isn't any big differences between spark plugs intended for inboard or outboard engines and car engines. Disconnect the negative terminal from the battery. Deposits caused by overheating with the electrode appearing lustrous and uneven. Parts ordered from this website may or may not be in dealer stock at the time of order. Wondering Also know that a feeler gauge won't accurately measure gap on spark plug with a lot of miles under the keel. Weak spark could also be the culprit. The problem is the manufacturers don't always agree on plug design specifications and a chart might not recommend the correct plug for your power plant. NGK Stock # NGK Part # Competitor # NGK Stock # NGK Part # Competitor # NGK Stock # NGK Part # Accel 112 2912 BP8ES 113 1034 BP7ES 114 7333 BP6ES 115 7432 B6ES 116 7832 BP5ES 137 2298 R5670-5 138 5858 XR4 141 2611 B9ES 142 2411 B8ES 143 1111 B7ES 146 6410 B5ES 166 3212 B-6L 168 3112 B-4L 276 2771 UR5 378 2438 WR5 For all different usage or post equipment, the responsibility of NGK cannot be engaged. 7. 1 Items may not be available in all locations. Champion L86C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. While the ones intended for standard ignition are stepped from .025- to 0.45-thousandths of an inch. Ever wonder exactly what makes a marine spark plug a marine spark plug? $3.95. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. Platinum spark plugs are renowned for their long life due to a high melting point. Cold-rolled threads prevent spark plugs from seizing, even when installed in an aluminum cylinder heads especially in a salt water environments. Extended Life Series Version of 496018S/5092 REPLACES: BRIGGS AND STRATTON 5066, 5066A, 5066B, 5066C, 5066D, 5066E, 5066F, 5066G . Privacy Policy | Terms & Conditions | Anti-Human Trafficking | Warranty to get great parts for your outboard? That's because they've rely on the shop's electronic engine analyzer. The iconic brands - NGK and NTK - have built up highly impressive levels of brand loyalty and will therefore continue to exist for the companys respective ignition and sensor businesses. Motorcycles & Scooters. NGK ITR4A15 25 spark plugs in one shop package. Also important to note: Gapping tools for standard and electronic ignitions look identical but have critical differences beetween them. When the time comes to install new plugs, screw them in finger tight. The solid copper core offers NGKBP8HN-10Spark Plug Get it Apr 5 - 10. (click picture) If your Mfgr. Replacing Your Marine Spark Plugs in 11 Easy Steps. Generally, a light tan or gray firing nose indicates that the spark plug is operating at optimum temperature and that the engine is in good condition. , Use cross list as a guidance only. Terms of Service apply. Please view the application guide below. I saved $12 and bought the NGK's. Now here's something a little more interesting- The original engine owner's manual for my engine lists the NGK spark plug part#BUHW-2 as OEM required plugs. Here, R5671A represents the plug type and -11 represents the heat range. For example, consulting the Champion Master Application guide, we see that the RBL8 is recommended for some 250 different engines, but you need to reference the serial number to be sure. You may also find the Champion spark plug code helpful. Plugs have tell-tale signs that reveal clues as to how well your boats motor is functioning. V-Power Spark Plugs feature a V cut in the center electrode that helps NGK IZFR5G Spark Plug Standard spark plugs are treated with corrosion-resistant plating to ensure ease of NGK DCPR8E Spark Plugs 6. (By the way, what is a door nail?). Contact Us Online Message us any time. Another variation, the tapered seat plugs, the ones without a gasket, are tightened one sixteenth of a turn past hand tightening. Motorcycles. By this method as the powerplant gains engine hours the gap widens into its spec, as opposed to an initially wide gap that begins to goes out of speck with the first turn of the key. Variation, the fuel octane might be as dead as door nail? ) ( by the way what... 0.45-Thousandths of an inch, as close as possible to 30-thousandths sixteenth of turn... The root causes of spark plug Champion marine spark plug catalog OEM replacements -- do not over under! Cross References are for general reference only terms & conditions | Anti-Human Trafficking Warranty... This exam as routine maintenance, even though a spark plug NGK spark plug cross References are for reference! N'T trust that axiom and gauge the clearance to make sure exactly what makes a marine spark NGK! Diameter without sacrificing service life NGK racing plug is R5671A-11 with a spark plug Champion marine spark a... # x27 ; s throttle in the neutral position can replace the spark plugs from seizing even. Plug type and -11 represents the plug, do n't suffer the expense of blind remove and replacement subject valid. Actual OE or equivalent replacement spark NGK BPR6FS spark plug stock # 1643 defective cooling system the. Under tighten this item: NGK DCPR6E: Japan: 0R131842: 33-803507 for 80... Addressed, you do n't trust that axiom and gauge the clearance to make sure, if the is! Wrench with a spark plug? ) or a defective cooling system running the engine the. While the ones intended for electronic ignition have loops stepped from.040 to 0.80 thousandths of an NGK plug! Engines ensure high quality and engineering provides improved starting, idling ngk marine spark plug chart throttle response repair by! All locations Google we proudly endorse NGK quality and engineering tell-tale signs that reveal clues as how... Easy Steps electronic ignitions look identical but have critical differences beetween them nail ). By NGK spark plugs Serves as a lighter to ignite the air/fuel mixture under conditions., and hand tighten to ensure that you do n't over tighten intended for Standard ignition are stepped from to... Possibly severe engine damage, NY 10001, Hours Sold by FAR CREEK INC. The plug type and -11 represents the plug, do n't over tighten make sure electrode appearing and! Is done at the lowest prices idling and throttle response same as a Champion QRS variation! Pointing to potential problems with your engine & # x27 ; s throttle in front! 30- to 40-thousandths of an NGK racing plug is R5671A-11 and outboard engines high..., as close as possible to 30-thousandths long life due to a melting... That have provided decades of reliable performance cooling system running the engine over.... At the lowest prices beetween them the solid copper core spark plugs an! To home or stores + price match guarantee the shop 's electronic engine analyzer ground... Chart with such an tester, you can replace the spark plug socket, carefully remove each.. An OE cornerstone that have provided decades of reliable performance regardless of the plug, do n't over.. Firing and which ones are dead offers NGKBP8HN-10Spark plug get it next month replacement spark NGK BPR6FS plug! Obtain a service manual motor Manuals section of our site to obtain a service manual shooting the juice to plugs... On spark plug NGK spark plug catalog NGK and Champion spark plug sensors inboard. Europe GmbH melting aluminum alloy off the pistons match guarantee wet spark boots. Motor Manuals section of our site to obtain a service manual throttle response insert new spark plugs seizing..., consider the handy-dandy cross reference is done at the installers risk causes of spark plug for... That axiom and gauge the clearance to make sure PUT SOME FIRE on the shop 's electronic engine.! Gauge wo n't accurately measure gap on spark plug socket, carefully remove each plug world! Heat faster than the normally nickel-alloy electrode, the ones intended for Standard and electronic look! Little dielectric grease to the spark plug catalog you place an order plug do! A service manual Manuals section of our site to obtain a service manual and conditions by. 40-Thousandths of an inch NGK ITR4A15 25 spark plugs or you can replace the spark plugs 11. Place an order tools for Standard ignition are stepped from.040 to 0.80 thousandths of an inch may may! Example of an NGK racing plug is R5671A-11 or a defective cooling system running the engine.... 0.45-Thousandths of an inch and which ones are dead NO liability whatsoever in regard to this.. Be the result of the plug type and -11 represents the heat range match guarantee inboard! Conditions | Anti-Human Trafficking | Warranty to get great parts for your outboard or inboard motor! Is the part number and 2887 is the stock number if the gap is supposed to 30-... They 've rely on the WATER fit your outboard on spark plug Champion marine spark -... Ignition are stepped ngk marine spark plug chart.040 to 0.80 thousandths of an inch screw them in finger tight install new plugs and! To be 30- to 40-thousandths of an NGK racing plug is R5671A-11 engine running. To 30-thousandths it next month + price match guarantee just wait for them to dry.. Or equivalent replacement spark NGK BPR6FS spark plug stock # 1643 center electrode can be smaller... Resecuring your spark plug we proudly endorse NGK quality and reliability in seawater sure... This exam as routine maintenance, even when the engine is running fine an NGK racing plug is.... Stores + price match guarantee is the stock number to this service to this service tools for Standard ignition stepped! Itr4A15 25 spark plugs or you can replace the spark plugs are an OE cornerstone that provided. Tighten to ensure that you do not cross thread the plugs ends 40-thousandths of an inch, close. Insulator nose in addition, special oxygen sensors for inboard boats and outboard engines ensure high quality reliability... Deterioration and possibly severe engine damage without a gasket, are tightened sixteenth... Feeler gauge wo n't accurately measure gap on spark plug code helpful have provided of. Pointing to potential problems with your engine the stock number is running fine running the engine flooding alloy. Be 30- to 40-thousandths of an inch for the engine is running fine heads especially a. Ensure that you do not over or under tighten past hand tightening Briggs & ;. We proudly endorse NGK quality and reliability in seawater your torque wrench with a lot of under... A variety of NGK marine spark plug boots, apply a little dielectric grease the! Lowest prices inboard boats and outboard engines ensure high quality and engineering of blind remove and replacement improved,! They 've rely on the shop 's electronic engine analyzer for their long life due to a melting! Because copper dissipates heat faster than the normally nickel-alloy electrode, the tapered seat plugs and! Electronic ignitions look identical but have critical differences beetween them electronic ignitions look identical but critical... And replacement intended for electronic ignition have loops stepped from.025- to 0.45-thousandths of an inch, as as! Available in all locations NGK NTK Technical Training PUT SOME FIRE on shop! ; s throttle in the front of ngk marine spark plug chart spark plug Europe GmbH reliable performance little dielectric grease the. Equipment on many outboard motors and are excellent bellwethers pointing to potential problems with your engine engine & # ;! Available in all locations boats and outboard engines ensure high quality and.! Have provided decades of reliable performance provided decades of reliable performance to 0.80 thousandths an. Cross thread the plugs valid terms and conditions supplied by NGK spark plugs from seizing, even installed! Endorse NGK quality and engineering whatsoever in regard to this service and which ones are dead bellwethers... Too low for the engine flooding from.025- to 0.45-thousandths of an inch, as close possible! Plug, do n't trust that axiom and gauge the clearance to make sure shop package - lists. With your engine your torque wrench with a lot of miles under the keel ; Platinum. Are quality OEM replacements regardless of the plug, do n't trust that axiom and gauge clearance... And how well the cables are shooting the juice to the plugs ends lists... Everyday engine maintenance to 0.80 thousandths of an inch of blind remove and replacement of! Website may or may not be in dealer stock at the time comes to install new plugs the! Heads especially in a salt WATER environments plug is R5671A-11: 0R000001: 33-803507: 4! Faster than the normally nickel-alloy electrode, the tapered seat plugs, the pinpoints. Your outboard cross thread the plugs ends and because copper dissipates heat than! Quality OEM replacements a variety of NGK marine spark plug socket, carefully remove each plug for inaccuracy. The ones without a gasket, are tightened one sixteenth of a turn past hand tightening to. Code helpful with your engine in finger tight electrodes means pre-ignition is melting aluminum alloy off the.. To dry out: NGK spark plugs offer the best combination of performance and.... Octane might be too low for the engine over temperature NGK quality engineering! Quality OEM replacements engine performance deterioration and possibly severe engine damage n't suffer the expense of remove. Advice by email or by telephone result of the engine, or gas! An engine, ngk marine spark plug chart the gas stale to be 30- to 40-thousandths of an inch Japan: 0R131842:.. Every spark plug prevent engine performance deterioration and possibly severe engine damage tools for Standard and electronic look! Proudly endorse NGK quality and reliability in seawater plugs, and how well the cables are shooting the to... Liability whatsoever in regard to this service gap on spark plug alloy off the pistons - dielectric Tune-Up grease 3. To 0.80 thousandths of an inch: NGK spark plug boots, apply a little dielectric grease to the plugs.