{"title":"Yamaha Lower Unit \u0026 Gearcase","description":"","products":[{"product_id":"gearbox-drain-fill-oil-screw-2-washers-for-yamaha-outboard-90340-08002","title":"Gearbox Drain Fill Screw + 2 Washers For Yamaha Outboard 90340-08002 M8 Plug","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Gearbox Drain Fill Screw + 2 Washers For Yamaha Outboard 90340-08002 M8 Plug\n  SEO NOTES: Technical maintenance kit for Yamaha outboards. Includes M8 stainless steel screw and 2 gaskets. Verified fitment for 2hp to 300hp models.\n--\u003e\n\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Gearbox Drain \/ Fill Oil Screw + 2 Washers for Yamaha Outboard 90340-08002\",\n    \"description\": \"Premium marine-grade gearbox maintenance kit for Yamaha outboard engines. Includes 1x M8 stainless steel drain\/fill screw and 2x high-density sealing washers to prevent gear oil leaks and water ingress.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"4Boats \/ Aftermarket\" },\n    \"sku\": \"90340-08002\",\n    \"mpn\": \"90340-08002\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/4boats.co.uk\/products\/gearbox-drain-fill-oil-screw-2-washers-for-yamaha-outboard-90340-08002\",\n      \"priceCurrency\": \"GBP\",\n      \"price\": \"{{ product.price | money_without_currency }}\",\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\n  \u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003eYamaha Outboard Gearbox Screw Kit\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003eIncludes 1x M8 Screw \u0026amp; 2x Sealing Washers\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003eThis essential maintenance kit provides a direct replacement for the lower unit gearbox drain and fill plugs on Yamaha outboard engines. Proper sealing of the gearcase is critical to prevent oil leaks and protect your transmission from water contamination. Crafted from high-strength stainless steel, this plug is designed to resist corrosion in both fresh and saltwater environments.\u003c\/p\u003e\n    \u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n      \u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Engineered to match OEM dimensions for a perfect watertight seal. Includes high-density fibre washers for professional-grade servicing.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n      \u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eMarine-Grade Stainless Steel:\u003c\/strong\u003e Superior rust resistance.\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes 1 plug and 2 replacement washers.\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Replaces common M8 Yamaha gearcase plugs.\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003ePrecision Machined:\u003c\/strong\u003e Clean threads (M8 x 1.25) for secure fitment.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; font-weight: bold; border-bottom: 1px solid #f1f1f1;\"\u003eThread Size:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; text-align: right; border-bottom: 1px solid #f1f1f1;\"\u003eM8 x 1.25\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; font-weight: bold; border-bottom: 1px solid #f1f1f1;\"\u003eMaterial:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; text-align: right; border-bottom: 1px solid #f1f1f1;\"\u003e316 Stainless Steel\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; font-weight: bold; border-bottom: 1px solid #f1f1f1;\"\u003eScrew Length:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; text-align: right; border-bottom: 1px solid #f1f1f1;\"\u003e~9mm (Threaded Portion)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; font-weight: bold; border-bottom: 1px solid #f1f1f1;\"\u003eWasher Material:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; text-align: right; border-bottom: 1px solid #f1f1f1;\"\u003eHigh-Density Fibre\/Nylon\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003cthead\u003e\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMake\/System\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eModel Range\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha Outboards\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2hp, 4hp, 5hp, 6hp, 8hp, 9.9hp\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFits most 2-stroke \u0026amp; 4-stroke units\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha Outboards\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e15hp to 300hp (F-Series \u0026amp; 2-Stroke)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eStandard Gearcase M8 Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMariner\/Mercury\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eVarious (Yamaha-built models)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCheck M8 thread size before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n      \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eYamaha (Screw)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e90340-08002, 90340-08002-00, 90340-08014-00, 90340-08125-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eYamaha (Gasket)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e90430-08020, 90430-08020-00, 90430-08003, 90430-08003-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eSierra Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e18-2371, 18-2374, 18-4698\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eMercury Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e22-81924M\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n    \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium quality aftermarket replacement kit from 4Boats, manufactured from marine-grade stainless steel to provide better corrosion resistance than many standard plated plugs.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow do I know if it is compatible?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eWe recommend checking your engine's part catalog for SKU 90340-08002. This is the standard M8 threaded plug used on almost all Yamaha gearboxes from 2hp up to 300hp.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 0;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eWhy does the kit include two washers?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eMost Yamaha outboards have two identical M8 plugs: one for \"Draining\" (bottom) and one for \"Filling\/Venting\" (top). This kit provides two washers so you can replace the gaskets for both plugs during a single service.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please verify your original part number against the references above before purchasing. Distributed by 4Boats (4boats.co.uk).\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40309372485721,"sku":"90340-08002","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/gearbox-drain-fill-oil-screw-2-washers-for-yamaha-outboard-90340-08002-4boats_64f53750-8e97-47a1-9be9-f295dcc0898a.jpg?v=1738093755"},{"product_id":"2-gearbox-drain-fill-oil-screw-2-washers-for-yamaha-outboard-90340-08002","title":"Gearbox Drain Fill Screw 90340-08002 \u0026 Washers for Yamaha Outboard 2hp-350hp","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Gearbox Drain Fill Screw 90340-08002 \u0026 Washers for Yamaha Outboard 2hp-350hp\n  SEO NOTES: Technical specs for Yamaha 90340-08002. Includes M8 x 1.25 thread verification. Compatibility across Yamaha, Parsun, and Mercury models. \n--\u003e\n\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"2 Gearbox Drain\/Fill Oil Screw + 2 Washers for Yamaha Outboard 90340-08002\",\n    \"description\": \"Premium aftermarket gearcase drain and fill plug set for Yamaha outboard engines. Includes two M8 x 1.25 stainless steel screws and two high-seal gaskets. Replaces 90340-08002-00.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"4Boats \/ Aftermarket\" },\n    \"sku\": \"90340-08002\",\n    \"mpn\": \"90340-08002-00\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/4boats.co.uk\/products\/2-gearbox-drain-fill-oil-screw-2-washers-for-yamaha-outboard-90340-08002\",\n      \"priceCurrency\": \"GBP\",\n      \"price\": \"{{ product.price | money_without_currency }}\",\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\n  \u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003eGearbox Drain Screw \u0026amp; Washer Kit\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003eReplaces Yamaha 90340-08002 | Complete Maintenance Set\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003eEnsure your lower unit remains watertight and protected with this high-quality gearbox oil drain\/fill screw kit. This set includes two precision-machined screws and two matching sealing washers, designed specifically for the rigorous demands of marine environments. Maintaining the integrity of your gearbox seals is essential to prevent water ingress, which can lead to expensive gear and bearing damage.\u003c\/p\u003e\n    \u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n      \u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Manufactured from marine-grade stainless steel to resist corrosion and ensure a perfect M8 thread fit every time.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n      \u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eFull Kit:\u003c\/strong\u003e 2x Screws \u0026amp; 2x Sealing Washers\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eCorrosion Proof:\u003c\/strong\u003e Stainless Steel Construction\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eUniversal Yamaha Fit:\u003c\/strong\u003e Standard M8 Sizing\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Slotted head for standard tools\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; font-weight: bold;\"\u003eThread Size:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003eM8 x 1.25\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; font-weight: bold;\"\u003eMaterial:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003eStainless Steel\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; font-weight: bold;\"\u003eHead Style:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003eSlotted Flat Head\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; font-weight: bold;\"\u003eComponent Count:\u003c\/td\u003e\n          \u003ctd style=\"padding: 8px 0; border-bottom: 1px solid #eee; text-align: right;\"\u003e4 Pieces Total\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003cthead\u003e\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMake\/System\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eModel\/Application\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYamaha Outboard\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2HP to 350HP (Most Models)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eLower unit drain\/fill\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMercury Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e8HP \/ 9.9HP \/ 15HP \/ 25HP (Yamaha-based)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFits Yamaha origins\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eParsun \/ Hidea\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eF2.5, F4, F5, F15, F20\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDirect replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSelva Marine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll models using Yamaha internals\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFits gearcase casing\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n      \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 40%;\"\u003eYamaha OEM:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e90340-08002, 90340-08002-00, 90340-08M04\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eSierra Marine:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e18-2371\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eMercury\/Quicksilver:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e22-81924M\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eMallory Marine:\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e9-72653\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n    \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium quality aftermarket replacement part from 4Boats, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow do I know if it is compatible?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eWe recommend checking the SKU\/MPN (90340-08002) against your engine's parts manual. This M8 thread size is the standard for nearly all Yamaha outboard lower units.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 0;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eWhy should I replace the washers with every oil change?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eSealing washers are designed to compress once to create a vacuum seal. Reusing old washers often leads to leaks, which can allow water to mix with your gear oil and destroy your transmission components.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please verify your original part number against the references above before purchasing. Distributed by 4Boats (4boats.co.uk).\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":40309598552153,"sku":"90340-08002A","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/8216\/7897\/files\/2-gearbox-drain-fill-oil-screw-2-washers-for-yamaha-outboard-90340-08002-4boats-1.jpg?v=1769792182"}],"url":"https:\/\/4boats.co.uk\/collections\/yamaha-lower-unit.oembed","provider":"4Boats","version":"1.0","type":"link"}