Description
When you’re rebuilding your YFM660R Raptor’s bottom end, you need a crankshaft assembly that matches the precision of your engine’s demands. Wiseco’s WPC133 delivers factory-assembled reliability with shot-peened surfaces and double-forged connecting rods that handle high RPM abuse without compromise. This complete kit eliminates guesswork by including everything you need for a full bottom-end rebuild—crankshaft, bearings, gaskets, and seals—so you can get back on the track or trail with confidence.
- Double-forged connecting rods
- Shot-peened surfaces
- Precision-honed crank pin bearings
- Caged needle roller bearings
- Corrosion-resistant treatment
- OEM-standard main bearings
- Complete gasket and seal set
- Optimized radial running clearance
- High RPM rated
- Fits Yamaha YFM660R Raptor 2001-2005
