Description
A worn or damaged crankshaft compromises your YZ250’s bottom-end reliability and power delivery—especially critical if you’re pushing hard at the track or trail. This Wiseco complete assembly eliminates guesswork with factory-spec precision and OEM-quality bearings, gaskets, and seals pre-assembled and ready to install. You get a purpose-built bottom end that handles sustained RPMs and maintains tight tolerances run after run.
- Precision-trued crankshaft
- Top end bearing included
- Premium main bearings
- Complete gasket and seal set
- Double-forged connecting rods
- Shot-peened rod construction
- Case-hardened rod bores
- Corrosion-resistant finish
- Optimized oiling slots
- Double-drilled small ends
- Fits 1999–2000 YZ250
- Bolt-on installation ready
- MPN: WPC126
