{"product_id":"74mm-big-bore-cylinder-piston-top-end-kit-fits-for-honda-trx250ex-2001-2008-new","title":"74mm Big Bore Cylinder Piston Top End Kit Fits For Honda TRX250EX 2001-2008 New","description":"\u003ch2\u003e74mm Big Bore Cylinder Piston Top End Kit for Honda\u003c\/h2\u003e\u003cp\u003eThis 74mm big bore cylinder piston top end kit delivers the piston, cylinder, and gasket components needed to rebuild the upper end of a Honda TRX250EX engine for renewed compression and power.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 74mm big bore cylinder piston top end kit provides the core components to refresh the top end of a Honda TRX250EX engine. The big bore cylinder piston top end kit pairs a 74mm cylinder with a matching piston so displacement and compression are restored after wear. It suits riders and mechanics handling a top end rebuild on a TRX250EX.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e74mm bore size for increased displacement over stock\u003c\/li\u003e\n\u003cli\u003eMatching piston sized to the 74mm cylinder for a consistent fit\u003c\/li\u003e\n\u003cli\u003eTop end gasket set included for a complete rebuild\u003c\/li\u003e\n\u003cli\u003eCast cylinder construction for reliable heat dissipation\u003c\/li\u003e\n\u003cli\u003eDesigned as a direct replacement for the original top end components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda TRX250EX 2001\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX 2002\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX 2003\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX 2004\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX 2005\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX 2006\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX 2007\u003c\/li\u003e\n\u003cli\u003efor Honda TRX250EX 2008\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\u003eRestoring power on a worn TRX250EX engine\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance on older sport ATVs\u003c\/li\u003e\n\u003cli\u003eRebuild projects on 2001 to 2008 TRX250EX machines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e74mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylinder, piston, and top end gasket kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda TRX250EX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2001 to 2008\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 kit include the gaskets needed for the rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e The kit is listed as a top end kit with cylinder, piston, and gasket components, though you should confirm the exact contents with the seller before ordering. \u003cstrong\u003eA:\u003c\/strong\u003e Verify the included gasket set covers the surfaces you plan to reseal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will a 74mm big bore require jetting changes? \u003cstrong\u003eA:\u003c\/strong\u003e A larger bore can change fuel and air demand, so carburetor jetting may need adjustment after installation. Check your machine's setup and tune accordingly.\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":50554063388758,"sku":"ZZ3M03347","price":189.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_d24a896f-92fb-45ec-bb75-2ebb7e8401bc.jpg?v=1790880265","url":"https:\/\/www.solidspare.com\/products\/74mm-big-bore-cylinder-piston-top-end-kit-fits-for-honda-trx250ex-2001-2008-new","provider":"Solid Spare","version":"1.0","type":"link"}