{"product_id":"piston-kit-standard-bore-52mm-fit-for-yamaha-axis-ya90-90-97-jog-cy90-91-97","title":"Piston Kit Standard Bore 52mm Fit for Yamaha Axis YA90 90-97 Jog CY90 91-97","description":"\u003ch2\u003eStandard Bore 52mm Piston Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis standard bore 52mm piston kit for Yamaha restores engine compression and combustion efficiency in compatible scooters.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis standard bore 52mm piston kit is designed to replace worn components in small-displacement two-stroke engines. The standard bore 52mm piston kit includes the piston, rings, wrist pin, and retaining clips needed for a complete top-end rebuild. It provides a reliable solution for mechanics and riders seeking to restore factory-spec engine performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard 52mm cylinder bore diameter for exact tolerance fit.\u003c\/li\u003e\n\u003cli\u003eCast aluminum alloy construction for thermal efficiency and durability.\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered piston rings to prevent blow-by and maintain compression.\u003c\/li\u003e\n\u003cli\u003eHeat-treated wrist pin provides high strength under combustion loads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha Axis YA90\u003c\/li\u003e\n\u003cli\u003efor Yamaha Jog CY90\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding the top end of a scooter engine during scheduled maintenance.\u003c\/li\u003e\n\u003cli\u003eRestoring compression in engines showing signs of cylinder wear.\u003c\/li\u003e\n\u003cli\u003eReplacing damaged pistons and rings after a thermal seizure.\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 Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e52mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Stroke 90cc\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 a wrist pin bearing? \u003cstrong\u003eA:\u003c\/strong\u003e This kit includes the piston, rings, wrist pin, and clips, but the needle bearing must be purchased separately if replacement is needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is cylinder honing required before installing this kit? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, honing the cylinder wall is highly recommended to ensure the new piston rings seat properly.\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":44788911145046,"sku":"SZ1E00910","price":42.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_f398b50b-6a50-43be-b041-1d9f1e151411.jpg?v=1779933758","url":"https:\/\/www.solidspare.com\/products\/piston-kit-standard-bore-52mm-fit-for-yamaha-axis-ya90-90-97-jog-cy90-91-97","provider":"Solid Spare","version":"1.0","type":"link"}