{"product_id":"wiseco-std-piston-crankshaft-gasket-set-95mm-12-5-1-for-yamaha-yz450f-2003-2005","title":"Wiseco Std Piston Crankshaft Gasket Set 95mm 12.5:1 for Yamaha YZ450F 2003-2005","description":"\u003ch2\u003eWiseco Std Piston\/Crankshaft\/Gasket Set for Yamaha for Yamaha YZ450F\u003c\/h2\u003e\u003cp\u003eThis Wiseco Std Piston\/Crankshaft\/Gasket Set is a complete top and bottom end rebuild kit for Yamaha YZ450F engines, combining a 95.00 mm standard bore piston producing 12.5:1 compression with a crankshaft assembly and full gasket set. The Wiseco Std Piston\/Crankshaft\/Gasket Set is built for riders and engine builders who want refreshed power delivery and reliable sealing on the workbench, whether the machine is track-bound or trail-ridden. Every component in this Wiseco Std Piston\/Crankshaft\/Gasket Set is matched to Yamaha YZ450F 2003-2005 fitment so the rebuild goes together without guesswork.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis rebuild bundle supplies a standard bore piston, crankshaft, and gasket set for Yamaha YZ450F engines. It restores compression and bottom-end integrity in one purchase. Built for mechanics and owners tackling a full top and bottom end refresh.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e95.00 mm standard bore piston maintains factory cylinder dimensions\u003c\/li\u003e\n\u003cli\u003e12.5:1 compression ratio supports strong midrange and top-end response\u003c\/li\u003e\n\u003cli\u003eCrankshaft assembly restores bottom-end integrity\u003c\/li\u003e\n\u003cli\u003eComplete gasket set seals the top and bottom end during reassembly\u003c\/li\u003e\n\u003cli\u003eKit format reduces sourcing time by bundling matched components together\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ450F 2003\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ450F 2004\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ450F 2005\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop and bottom end rebuilds during engine refresh\u003c\/li\u003e\n\u003cli\u003eMotocross use on Yamaha YZ450F machines\u003c\/li\u003e\n\u003cli\u003eOff-road riding and trail duty\u003c\/li\u003e\n\u003cli\u003eWorkshop service and preventive maintenance\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\u003e95.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, Crankshaft, Gasket Set\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 this kit be installed without splitting the cases? \u003cstrong\u003eA:\u003c\/strong\u003e The crankshaft component requires splitting the cases, so plan for a full teardown during installation. If only a top end refresh is needed, the piston and gasket set can be used independently.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this piston require re-plating or boring? \u003cstrong\u003eA:\u003c\/strong\u003e Because it is a 95.00 mm standard bore piston, it suits a stock, undamaged cylinder rather than a resleeved or overbored one. Measure cylinder wear before ordering to confirm it stays within tolerance.\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":51143016742998,"sku":"OO1C24194","price":1979.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c19de90b-bead-4fde-aaee-90755b4924e0.jpg?v=1794566908","url":"https:\/\/www.solidspare.com\/products\/wiseco-std-piston-crankshaft-gasket-set-95mm-12-5-1-for-yamaha-yz450f-2003-2005","provider":"Solid Spare","version":"1.0","type":"link"}