{"product_id":"66e-11311-00-94-engine-cylinder-for-yamaha-gp-800-1998-2002","title":"66E-11311-00-94 Engine Cylinder for Yamaha GP 800 1998-2002","description":"\u003ch2\u003eEngine Cylinder for Yamaha\u003c\/h2\u003e\u003cp\u003eThis replacement engine cylinder is a direct-fit part for Yamaha GP 800 watercraft, cross-referencing OEM number 66E-11311-00-94 for straightforward identification.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe engine cylinder for Yamaha GP 800 sits at the heart of the top end, housing the piston and managing combustion gases and heat. This replacement engine cylinder restores proper bore geometry and sealing for rebuilds and top-end refreshes. It suits riders and shops working on 1998 to 2002 GP 800 machines who need a dependable cylinder for Yamaha powerplants.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast to match the original bore and port layout for the 66E engine family\u003c\/li\u003e\n\u003cli\u003eMachined deck surface for a clean head gasket seal\u003c\/li\u003e\n\u003cli\u003eCooling passages formed to original spec for consistent temperature control\u003c\/li\u003e\n\u003cli\u003eCross-references OEM number 66E-11311-00-94 for easy verification\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for stock cylinder without adapter parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha GP 800, 1998\u003c\/li\u003e\n\u003cli\u003efor Yamaha GP 800, 1999\u003c\/li\u003e\n\u003cli\u003efor Yamaha GP 800, 2000\u003c\/li\u003e\n\u003cli\u003efor Yamaha GP 800, 2001\u003c\/li\u003e\n\u003cli\u003efor Yamaha GP 800, 2002\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after piston scoring or seizure\u003c\/li\u003e\n\u003cli\u003eBore damage repair from overheating or lean run conditions\u003c\/li\u003e\n\u003cli\u003eRestoring compression on high-hour GP 800 engines\u003c\/li\u003e\n\u003cli\u003eShop rebuilds where a fresh cylinder saves downtime\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\u003e66E-11311-00-94\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha GP 800, 1998-2002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine cylinder\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 Does this cylinder need new pistons and rings? \u003cstrong\u003eA:\u003c\/strong\u003e A fresh cylinder should be paired with new pistons, rings and a head gasket matched to its bore. Reusing worn pistons can cause poor sealing and repeat failure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I confirm this fits my watercraft? \u003cstrong\u003eA:\u003c\/strong\u003e Cross-reference the OEM number 66E-11311-00-94 against your existing cylinder and confirm your model year falls between 1998 and 2002. Checking serial number details before ordering avoids mismatches.\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":51060172587094,"sku":"OO1C01719","price":1075.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c4507dd7-0003-4273-99cf-eb82d504a1f4.jpg?v=1794306770","url":"https:\/\/www.solidspare.com\/products\/66e-11311-00-94-engine-cylinder-for-yamaha-gp-800-1998-2002","provider":"Solid Spare","version":"1.0","type":"link"}