{"product_id":"4765m08300-wiseco-std-piston-kit-for-kawasaki-zx1200-ninja-zx-12r-83-mm-13-5-1-c","title":"4765M08300 Wiseco Std Piston Kit for Kawasaki ZX1200 Ninja ZX-12R 83 mm 13.5:1 C","description":"\u003ch2\u003eWiseco Std Piston Kit for Kawasaki ZX1200 Ninja ZX-12R\u003c\/h2\u003e\u003cp\u003eThis Wiseco Standard Piston Kit (part 4765M08300, 83 mm bore, 13.5:1 compression ratio) provides a drop-in replacement piston for rebuilding the top end of the ZX1200 Ninja ZX-12R engine.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco standard piston kit for the Kawasaki ZX1200 Ninja ZX-12R restores factory bore dimensions when the cylinder is in good condition and only the piston needs replacing. The 13.5:1 compression ratio matches original engine specifications, keeping power delivery consistent after the rebuild. It suits riders and mechanics handling routine top-end service on a ZX-12R.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for strength under high-rpm sportbike use\u003c\/li\u003e\n\u003cli\u003e83 mm standard bore size to match an unworn or lightly honed cylinder\u003c\/li\u003e\n\u003cli\u003e13.5:1 compression ratio matching factory ZX-12R specification\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips for a complete top-end refresh\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring grooves for consistent sealing and oil control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Kawasaki ZX1200 Ninja ZX-12R\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after ring wear or compression loss\u003c\/li\u003e\n\u003cli\u003eRoutine engine refresh on high-mileage ZX-12R sportbikes\u003c\/li\u003e\n\u003cli\u003eTrack and street maintenance where factory compression must be retained\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\u003e4765M08300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e83 mm (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\u003e13.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Kawasaki ZX1200 Ninja ZX-12R\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 Is this piston kit a direct replacement for the factory piston? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is a standard-bore piston kit sized to factory 83 mm dimensions with the original 13.5:1 compression ratio, intended for cylinders in serviceable condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the kit include everything needed for a top-end rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e It includes the piston, rings, wrist pin, and circlips. Gaskets, bearings, and machine work are not included and should be ordered separately as needed.\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":51140506189910,"sku":"OO1C22940","price":488.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_4a265f5a-bd8a-45cf-a623-08620eeab075.jpg?v=1794566177","url":"https:\/\/www.solidspare.com\/products\/4765m08300-wiseco-std-piston-kit-for-kawasaki-zx1200-ninja-zx-12r-83-mm-13-5-1-c","provider":"Solid Spare","version":"1.0","type":"link"}