Wiseco 01-02 Yamaha YZ250 Crankshaft Kit

When you're getting ready to rebuild the bottom end of your 2001 or 2002 Yamaha YZ250, this Wiseco crankshaft kit is a smart way to get everything you need in one convenient package. It bundles together the essential components for a thorough bottom-end overhaul, saving you time and hassle hunting down individual parts.

Inside this kit, you'll find a complete crankshaft assembly, which is the heart of your engine's rotating assembly. It also includes OEM quality main bearings and rod bearings, selected for smooth operation and long-lasting reliability. To seal everything up tight, the kit comes with a comprehensive bottom-end gasket and seal kit. The connecting rod in the assembly is copper-plated, heat-treated, and shot-peened to reduce stress and ensure a smooth surface finish, contributing to its strength and durability. Precision machining of the crank webs further enhances its overall robustness.