WISECO BOTTOM END KIT YAM - WPC133The Wiseco Bottom End Kit for Yamaha is a complete engine rebuild kit that includes a crankshaft, premium main bearings, and every gasket and seal you'll need to finish the job right the first time. It's the Wiseco bottom end kit Yamaha engine rebuild with main bearings that serious wrenchers reach for when they don't want to source parts from three different suppliers. The crankshaft itself fits together with smooth, precise tolerances so you're not