Wiseco Complete Bottom End Kit Yamaha YZ250 2001-2002

Wiseco Complete Bottom End Kit Yamaha YZ250 The Wiseco Complete Crankshaft Kit is engineered to deliver exceptional durability and performance for your motorcycle's bottom end. Manufactured with meticulous attention to detail, this crankshaft assembly is precision-trued to OEM specifications, ensuring reliable operation under demanding conditions. Features: Crankshafts are factory assembled and precision trued to OEM specifications Double-forged Wiseco connecting rods maintain superior dimensional consistency through improved grain flow Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces Corrosion-resistant surface treatment Crank pin bearing radial running clearance is optimized to ensure maximum performance Precision honing ensures ultra round bearing surface Precision engineered oiling slots maximize rod strength and bearing life Double-drilled small ends provide the piston pin with extra lubrication and cooling, reducing distortion of top end due to thermal transfer from the piston Kit includes crankshaft assembly, main bearings, and bottom-end gasket kit Note: Images are for reference only.