Description
A worn or damaged crankshaft assembly compromises engine reliability, throttle response, and overall power delivery—especially critical in high-RPM racing applications. The Wiseco WPC134 is a factory-assembled, precision-engineered complete bottom-end solution that restores or exceeds OEM performance standards, backed by Wiseco’s reputation for durability in extreme conditions. This kit eliminates the guesswork of sourcing individual components, giving you a matched assembly with bearings and gaskets ready to install.
Technical Specifications:
- Double-forged connecting rods
- Grain flow technology
- Shot-peened surfaces
- Corrosion-resistant treatment
- Precision honed bearings
- Optimized radial clearance
- Double-drilled oiling slots
- Factory assembled and trued
- OEM specification compliance
- Yamaha YZ250 2003-2025
- Includes main bearings
- Includes top-end bearing
- Includes gasket set
- MPN: WPC134
