Wiseco, Garage Buddy Complete Engine Rebuild Kit, 77.00 mm Bore, 12.7:1 CR

The Wiseco PWR141-100 Garage Buddy Engine Rebuild Kit is a complete engine rebuild kit for the Yamaha WR250F, covering both top and bottom-end components. It includes a crankshaft assembly, OEM-quality main bearings, all necessary gaskets, seals, O-rings, a Wiseco forged piston kit with all components, and an hour meter with assembly lube. The kit features precision-machined crank webs and copper-plated, heat-treated, shot-peened connecting rods. Four-stroke kits, like this one, include a premium forged piston kit with a stock compression ratio and a high-quality cam chain. It comes with a 90-day/10-hour warranty.