{"product_id":"726m05400-wiseco-std-piston-kit-for-yamaha-yz125-1998-2001-54-00-mm","title":"726M05400 Wiseco Std Piston Kit for Yamaha YZ125 1998-2001 54.00 mm","description":"\u003ch2\u003eWiseco Std Piston Kit for Yamaha YZ125\u003c\/h2\u003e\u003cp\u003eThis Wiseco standard bore piston kit for Yamaha YZ125 keeps 1998 to 2001 models running at stock displacement, cross referencing 726M05400 and a 54.00mm bore size.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis standard bore piston kit for Yamaha YZ125 delivers a direct stock replacement for 1998 through 2001 models that need a fresh top end without cylinder boring. The 54.00mm kit restores sealing and compression so the engine runs clean and pulls hard again. It suits riders and shops handling top end service on 125cc two stroke motocross machines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged piston construction for durability at high engine speeds\u003c\/li\u003e\n\u003cli\u003eStandard 54.00mm bore size for direct stock replacement\u003c\/li\u003e\n\u003cli\u003eKit includes piston, rings, wrist pin, and circlips for a full top end refresh\u003c\/li\u003e\n\u003cli\u003eCross references 726M05400 for easy parts matching\u003c\/li\u003e\n\u003cli\u003eBuilt for the 1998 to 2001 Yamaha YZ125 engine platform\u003c\/li\u003e\n\u003cli\u003ePrecision machined ring grooves for consistent sealing and compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha YZ125 1998\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 1999\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2000\u003c\/li\u003e\n\u003cli\u003efor Yamaha YZ125 2001\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStock bore top end rebuilds after ring wear or compression loss\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance on a race season two stroke motocross bike\u003c\/li\u003e\n\u003cli\u003eRefreshing a trail ridden YZ125 before the next ride\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged piston when the cylinder still measures in spec\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\u003e726M05400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54.00mm (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMachine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Yamaha YZ125 1998-2001\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 need cylinder boring? \u003cstrong\u003eA:\u003c\/strong\u003e No, a standard bore piston is made for a cylinder that still measures within stock spec, so check your bore before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What comes in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e A Wiseco piston kit of this type typically includes the piston, rings, wrist pin, and circlips needed for a top end rebuild.\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":51140069294166,"sku":"OO1C22505","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_2a1a8e1c-a42e-4249-9c3e-3d079f266725.jpg?v=1794565920","url":"https:\/\/www.solidspare.com\/products\/726m05400-wiseco-std-piston-kit-for-yamaha-yz125-1998-2001-54-00-mm","provider":"Solid Spare","version":"1.0","type":"link"}