{"product_id":"4878m09500-wiseco-std-front-piston-for-yamaha-road-star-1600-1999-03-95mm","title":"4878M09500 Wiseco Std Front Piston for Yamaha Road Star 1600 1999-03 95mm","description":"\u003ch2\u003eWiseco Std Front Piston for Yamaha Road Star 1600\u003c\/h2\u003e\u003cp\u003eThis standard bore front piston for Yamaha Road Star 1600 is a rebuild component that restores compression and piston fit to the 1600cc V-twin front cylinder, cross-referencing OEM number 4878M09500 with a 95mm bore and 10.5:1 compression ratio.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco standard front piston serves riders rebuilding the front cylinder of a Yamaha Road Star 1600. The 95mm standard bore and 10.5:1 compression ratio keep OEM displacement while refreshing worn internals for the 1999-03 model run. It suits DIY mechanics and shops handling a single-cylinder or full top-end rebuild.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e95mm standard bore piston matched to the OEM cylinder size\u003c\/li\u003e\n\u003cli\u003e10.5:1 compression ratio for the Road Star 1600 front cylinder\u003c\/li\u003e\n\u003cli\u003eForged piston construction for strength under heat and load\u003c\/li\u003e\n\u003cli\u003eFront cylinder application for the 1999-03 Road Star 1600\u003c\/li\u003e\n\u003cli\u003eCross-references OEM number 4878M09500 for easy lookup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Yamaha Road Star 1600, 1999-03\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFront cylinder top-end rebuild after wear or scoring\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a high-mileage V-twin cruiser\u003c\/li\u003e\n\u003cli\u003eShop or home garage engine refresh\u003c\/li\u003e\n\u003cli\u003eStandard bore rebuild that keeps original displacement\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\u003e4878M09500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95mm standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront 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 piston fit the rear cylinder too? \u003cstrong\u003eA:\u003c\/strong\u003e This listing is the standard front piston, so confirm the correct position and part number before ordering both sides.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this without checking ring end gap? \u003cstrong\u003eA:\u003c\/strong\u003e Ring end gap should always be measured and adjusted to spec during assembly to avoid poor sealing or seizure.\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":51139980460118,"sku":"OO1C22393","price":488.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_8db78198-97c0-4943-a421-ec1cb3d7753a.jpg?v=1794565859","url":"https:\/\/www.solidspare.com\/products\/4878m09500-wiseco-std-front-piston-for-yamaha-road-star-1600-1999-03-95mm","provider":"Solid Spare","version":"1.0","type":"link"}