{"product_id":"6l2-w006a-00-maintenance-kit-for-yamaha-20hp-25hp-2-stroke-jlm-marine","title":"6L2-W006A-00 Maintenance Kit for Yamaha 20HP 25HP 2-Stroke | JLM Marine","description":"\u003ch2\u003eMaintenance Kit for Yamaha 20HP 25HP 2-Stroke – 6L2-W006A-00\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive maintenance kit is designed for \u003cstrong\u003eYamaha 20 HP and 25 HP 2-Stroke Twin Carby models (1988-2016)\u003c\/strong\u003e. It provides all essential components needed for routine servicing, ensuring your outboard runs smoothly and reliably season after season.\u003c\/p\u003e\n\n\u003cp\u003eDirect OEM replacement number: \u003cstrong\u003e6L2-W006A-00\u003c\/strong\u003e. This aftermarket kit includes critical water pump components, fuel filter, thermostat assembly, gaskets, and gear oil pump—everything required for a complete maintenance refresh.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComplete 12-piece maintenance kit covering water pump, fuel system, and cooling system\u003c\/li\u003e\n  \u003cli\u003eFits 20–25 HP 2-Stroke Twin Carby Yamaha outboards (1988-2016)\u003c\/li\u003e\n  \u003cli\u003eIncludes impeller, thermostat, fuel filter, gaskets, and gear oil pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003ePart Number\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYamaha\u003c\/td\u003e\n      \u003ctd\u003e6L2-W006A-00\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-serial-number-guide-2025\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-parts-diagrams-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e20 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eTwin Carby Model\u003c\/td\u003e\n        \u003ctd\u003e1988-2016\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e25 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eTwin Carby Model\u003c\/td\u003e\n        \u003ctd\u003e1988-2016\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Part Number\u003c\/td\u003e\n      \u003ctd\u003e6L2-W006A-00\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eYamaha 20–25 HP 2-Stroke Twin Carby\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYear Range\u003c\/td\u003e\n      \u003ctd\u003e1988-2016\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eMaintenance Kit (Water Pump, Fuel, Thermostat, Gaskets)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTotal Components\u003c\/td\u003e\n      \u003ctd\u003e12 pieces\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eThis maintenance kit includes the following \u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e12 components\u003c\/strong\u003e\u003c\/span\u003e:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90280-03024\u003c\/strong\u003e – Key x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6L2-44352-00\u003c\/strong\u003e – \u003cspan style=\"color:red;\"\u003eImpeller\u003c\/span\u003e x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e93210-45161\u003c\/strong\u003e – O-ring x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6L2-44322-00\u003c\/strong\u003e – Cup, Insert x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6L2-44323-00\u003c\/strong\u003e – Plate, Wear x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e97095-06040\u003c\/strong\u003e – Bolt x4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e61N-24560-00\u003c\/strong\u003e – \u003cspan style=\"color:red;\"\u003eFuel Filter\u003c\/span\u003e x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6E5-12411-30\u003c\/strong\u003e – \u003cspan style=\"color:red;\"\u003eThermostat\u003c\/span\u003e x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6J8-12414-A0\u003c\/strong\u003e – Thermostat Gasket x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90430-08020\u003c\/strong\u003e – Drain Gasket x4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e91490-30025\u003c\/strong\u003e – Cotter Pin x1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24OP149\u003c\/strong\u003e – \u003cspan style=\"color:red;\"\u003eGear Oil Pump\u003c\/span\u003e x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Disconnect the battery and ensure the engine is cool. Gather all tools needed: screwdrivers, wrenches, and a torque wrench.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove Lower Unit:\u003c\/strong\u003e Drain the gear oil using the drain screw, then unbolt and carefully remove the lower unit from the mid-section.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccess Water Pump:\u003c\/strong\u003e Remove the water pump housing cover by unscrewing the bolts. Keep track of bolt locations for reassembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Impeller \u0026amp; Components:\u003c\/strong\u003e Remove the old impeller, insert cup, and wear plate. Install the new impeller (using the key provided), insert cup, and wear plate from the kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Gaskets \u0026amp; O-ring:\u003c\/strong\u003e Replace the old O-ring and gaskets with the new ones included in the kit. Ensure all mating surfaces are clean and free of debris.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReassemble Water Pump:\u003c\/strong\u003e Reinstall the water pump housing using the new bolts provided. Torque bolts evenly in a star pattern to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Fuel Filter:\u003c\/strong\u003e Locate the inline fuel filter, disconnect fuel lines carefully, and replace with the new fuel filter. Ensure clamps are secure to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace Thermostat:\u003c\/strong\u003e Remove the thermostat cover, extract the old thermostat, and install the new thermostat with the new gasket. Ensure proper orientation (check flow direction).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall Drain Gaskets:\u003c\/strong\u003e Replace all four drain gaskets on applicable drain plugs to ensure watertight seals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReinstall Lower Unit:\u003c\/strong\u003e Apply marine grease to the driveshaft splines, align the lower unit with the mid-section, and secure with bolts. Install the cotter pin as needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Gear Oil:\u003c\/strong\u003e Using the new gear oil pump, refill the lower unit with fresh gear oil until it flows from the upper vent hole. Install both drain and vent plugs with new gaskets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest \u0026amp; Inspect:\u003c\/strong\u003e Reconnect the battery, run the engine in a test tank or on-water, and check for proper water flow from the tell-tale. Inspect all connections for leaks and proper operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this maintenance kit fits my Yamaha outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: This kit is designed for Yamaha 20 HP and 25 HP 2-Stroke Twin Carby models from 1988 to 2016. Verify your engine model and year against the compatibility table above, and cross-reference the OEM part number 6L2-W006A-00 with your engine's parts diagram.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I perform maintenance with this kit?\u003c\/strong\u003e\u003cbr\u003e\nA: We recommend replacing the impeller and water pump components annually or every 100 operating hours, whichever comes first. The fuel filter and thermostat should be inspected during each service interval and replaced as needed or every 1-2 years.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my water pump impeller needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include weak or no water flow from the tell-tale (indicator stream), engine overheating, steam from the powerhead, or reduced cooling performance. If you notice any of these, replace the impeller immediately to prevent engine damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit if I'm not a professional mechanic?\u003c\/strong\u003e\u003cbr\u003e\nA: While experienced DIYers can perform this maintenance with basic tools and mechanical knowledge, we recommend professional installation if you're unfamiliar with outboard servicing. Improper installation can lead to overheating or water intrusion issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this aftermarket kit and the OEM Yamaha kit?\u003c\/strong\u003e\u003cbr\u003e\nA: This is an aftermarket replacement kit built to OEM specifications using comparable-grade materials. It includes all the same components as the OEM kit at a more competitive price point, providing reliable performance without the premium cost.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":52418540962105,"sku":"25KY485-2","price":54.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/kit-25KY485-2_f9107066-8e40-4168-a8ba-fefca52c601d.png?v=1776687038","url":"https:\/\/jlmmarine.com\/products\/6l2-w006a-00-maintenance-kit-for-yamaha-20hp-25hp-2-stroke-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}