{"product_id":"594m05600-wiseco-std-piston-kit-for-yamaha-yz125-1990-1992-56-00-mm","title":"594M05600 Wiseco Std Piston Kit for Yamaha YZ125 1990-1992 56.00 mm","description":"\u003ch2\u003eWiseco Std Piston Kit for Yamaha YZ125\u003c\/h2\u003e\u003cp\u003eThis Wiseco Standard Piston Kit restores top end performance on 1990 to 1992 Yamaha YZ125 machines, using the 56.00 mm bore size that matches the factory standard cylinder, and cross-references OEM part 594M05600.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco Standard Piston Kit is a 56.00 mm forged piston assembly made to replace a worn or damaged top end on the Yamaha YZ125. The kit restores compression and response so the engine pulls cleanly through the rev range, and it is aimed at riders and mechanics rebuilding 1990 to 1992 YZ125 models. The Standard Piston Kit gives a like-for-like size replacement, keeping the stock bore intact.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e56.00 mm standard bore size matches the original Yamaha YZ125 cylinder diameter\u003c\/li\u003e\n\u003cli\u003eForged piston construction for strength under high rpm loads\u003c\/li\u003e\n\u003cli\u003ePrecision machined skirt and ring grooves for a consistent seal\u003c\/li\u003e\n\u003cli\u003eSold as a kit with piston, rings, wrist pin, and clips\u003c\/li\u003e\n\u003cli\u003eReference number 594M05600 aids parts identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ125 1990\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1991\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1992\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop end rebuilds on 1990 to 1992 YZ125 motocross bikes\u003c\/li\u003e\n\u003cli\u003eRefreshing a worn piston before a race season\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a tired engine\u003c\/li\u003e\n\u003cli\u003eWorkshop service and maintenance repairs\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\u003e594M05600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56.00 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard piston kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha YZ125 1990-1992\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 the kit include rings and pin? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the piston kit is supplied complete with rings, wrist pin, and retaining clips. Verify the 56.00 mm size matches your cylinder before fitting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I fit this without boring the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is the standard size, so it suits a cylinder still within factory spec. Measure bore wear first, as an oversized piston is needed once the cylinder is out of 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":51140075913302,"sku":"OO1C22516","price":323.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_5ffcb502-9243-4e9e-9901-16a1ff5eea69.jpg?v=1794565918","url":"https:\/\/www.solidspare.com\/products\/594m05600-wiseco-std-piston-kit-for-yamaha-yz125-1990-1992-56-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}