{"product_id":"232m08550-wiseco-020-piston-kit-for-yamaha-dt400-mx400-1975-1978-85-50-mm","title":"232M08550 Wiseco .020 Piston Kit for Yamaha DT400 MX400 1975-1978 85.50 mm","description":"\u003ch2\u003eWiseco .020 Piston Kit for Yamaha DT400 \u0026amp; MX400\u003c\/h2\u003e\u003cp\u003eThis Wiseco .020 oversize piston kit, part 232M08550, is a top-end replacement piston and ring assembly built for a bored cylinder with an 85.50 mm diameter.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Wiseco piston kit is made for the Yamaha DT400 and MX400 from 1975 through 1978, giving you a fresh top end with an 85.50 mm oversize piston. The kit is intended for riders and mechanics rebuilding a worn or seized engine where the cylinder has been bored out to the next size. If you are servicing a DT400 or MX400 top end, this Wiseco piston kit delivers the precision fit these vintage machines need.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWiseco forged piston construction for strength and heat resistance\u003c\/li\u003e\n\u003cli\u003e.020 inch oversize 85.50 mm bore size for reconditioned cylinders\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 machining supports consistent ring seal and compression\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the Yamaha DT400 and MX400 engine family\u003c\/li\u003e\n\u003cli\u003ePart number 232M08550 for easy reference and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha DT400 1975-1978\u003c\/li\u003e\n\u003cli\u003efor Yamaha MX400 1975-1978\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does the .020 oversize mean? \u003cstrong\u003eA:\u003c\/strong\u003e It is a 0.020 inch oversize piston at 85.50 mm, so it requires a cylinder bored and honed to match that diameter. \u003cstrong\u003eQ:\u003c\/strong\u003e Is this a complete top-end kit? \u003cstrong\u003eA:\u003c\/strong\u003e It includes the piston, rings, wrist pin, and circlips needed for piston replacement, though gaskets and bearings may be sold separately.\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":51140195057750,"sku":"OO1C22685","price":461.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_8b0fa523-084d-40b8-a5a1-97b9a58d569b.jpg?v=1794566032","url":"https:\/\/www.solidspare.com\/products\/232m08550-wiseco-020-piston-kit-for-yamaha-dt400-mx400-1975-1978-85-50-mm","provider":"Solid Spare","version":"1.0","type":"link"}