{"product_id":"top-end-gasket-set-and-valve-seals-for-yamaha-moto-4-225-tri-moto-225-1983-1988","title":"Top End Gasket Set and Valve Seals for Yamaha Moto-4 225 Tri-Moto 225 1983-1988","description":"\u003ch2\u003eTop End Gasket Set \u0026amp; Valve Seals for Yamaha\u003c\/h2\u003e\u003cp\u003eThis top end gasket set with valve seals refreshes the upper engine seals on Yamaha Moto-4 225 and Tri-Moto 225 models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis top end gasket set and valve seal kit for Yamaha covers the gaskets needed when servicing the cylinder head and cylinder on Moto-4 225 and Tri-Moto 225 engines. It replaces worn gaskets and hardened valve seals that cause compression loss or oil burning. The set suits owners rebuilding a top end at home or in a shop.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes head gasket, base gasket, and valve seals for a complete upper engine reseal\u003c\/li\u003e\n\u003cli\u003eGasket material withstands high combustion temperatures and compression loads\u003c\/li\u003e\n\u003cli\u003eValve seals control oil passage into the combustion chamber\u003c\/li\u003e\n\u003cli\u003eCut to match the bolt and stud locations of the 225 engine\u003c\/li\u003e\n\u003cli\u003eSeals the cylinder-to-head and cylinder-to-case mating surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Moto-4 225, 1983-1988\u003c\/li\u003e\n\u003cli\u003efor Yamaha Tri-Moto 225, 1983-1988\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds after loss of compression\u003c\/li\u003e\n\u003cli\u003eValve seal replacement to reduce oil consumption\u003c\/li\u003e\n\u003cli\u003eCylinder head removal and reinstall during engine service\u003c\/li\u003e\n\u003cli\u003eRestoring older Moto-4 225 and Tri-Moto 225 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop end gasket set with valve seals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1983-1988\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHead gasket, base gasket, valve seals\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 Can I install this set without machining the head? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, if the head and cylinder surfaces are flat and undamaged, the gaskets install directly, though resurfacing is recommended if warping is found.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the valve seals included for both intake and exhaust valves? \u003cstrong\u003eA:\u003c\/strong\u003e The seal set covers the valves of the 225 engine, so plan on replacing seals on every valve while the head is off.\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":51146771955798,"sku":"OO1C27307","price":115.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_0b93f4bf-cf4b-483a-9f52-9fc4c6df3986.jpg?v=1794568788","url":"https:\/\/www.solidspare.com\/products\/top-end-gasket-set-and-valve-seals-for-yamaha-moto-4-225-tri-moto-225-1983-1988","provider":"Solid Spare","version":"1.0","type":"link"}