{"product_id":"cylinder-head-gasket-yamaha-outboard-f-8-9-9-hp-4-stroke-6g8-11181-a0-18-3827","title":"Cylinder Head Gasket Yamaha Outboard F 8 9.9 HP 4-Stroke 6G8-11181-A0 18-3827","description":"\u003ch2\u003eCylinder Head Gasket for Yamaha\u003c\/h2\u003e\u003cp\u003eThis cylinder head gasket for Yamaha F 8 and 9.9 HP 4-stroke outboards seals the cylinder head to the engine block, referencing OEM 6G8-11181-A0 and aftermarket 18-3827.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis cylinder head gasket for Yamaha F 8 and 9.9 HP 4-stroke outboards is a direct replacement sealing component. It prevents compression loss and coolant leaks between the cylinder head and block, keeping the outboard running reliably. Built for 8 and 9.9 HP four-stroke engines, this gasket restores the sealing surface during top-end repairs.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConstructed to match OEM dimensions for Yamaha part 6G8-11181-A0\u003c\/li\u003e\n\u003cli\u003eReplaces aftermarket part number 18-3827\u003c\/li\u003e\n\u003cli\u003eDesigned for 4-stroke outboard cylinder head sealing\u003c\/li\u003e\n\u003cli\u003eProvides a tight seal for combustion pressure and coolant passages\u003c\/li\u003e\n\u003cli\u003eEngineered for F 8 and 9.9 HP model service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha F8 outboard\u003c\/li\u003e\n\u003cli\u003efor Yamaha F9.9 outboard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCylinder head resealing during top-end overhaul\u003c\/li\u003e\n\u003cli\u003eReplacing leaking head gaskets on 4-stroke outboards\u003c\/li\u003e\n\u003cli\u003eRestoring compression in 8 and 9.9 HP 4-stroke outboards\u003c\/li\u003e\n\u003cli\u003eRebuilding after overheating or head removal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6G8-11181-A0 \/ 18-3827\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylinder Head Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHorsepower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 \/ 9.9 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this gasket fit a 9.9 HP 4-stroke outboard? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is designed for Yamaha F 8 and 9.9 HP 4-stroke outboards and references OEM 6G8-11181-A0. Confirm the serial number before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e When should the head gasket be replaced? \u003cstrong\u003eA:\u003c\/strong\u003e Replace the gasket whenever the cylinder head is removed during top-end service. This prevents compression leaks and cooling system contamination.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":45556636254294,"sku":"ZZ3E01761","price":49.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_ad7b8d72-2097-49e5-840c-df4e235bbd1f.jpg?v=1789221477","url":"https:\/\/www.solidspare.com\/products\/cylinder-head-gasket-yamaha-outboard-f-8-9-9-hp-4-stroke-6g8-11181-a0-18-3827","provider":"Solid Spare","version":"1.0","type":"link"}