1987-2013 Yamaha YFM350X Warrior / YFM350 Raptor Wiseco Pwr Kit 350 10.25:1 CR PWR137-840

Complete engine rebuild

Crankshaft assembly

OEM quality main bearings

All engine gaskets, seals, and o-rings

Wiseco ProLite 2-stroke piston and top end bearing

Wiseco standard series 4-stroke piston

Cam chain included (if needed)

Wiseco hour meter and bracket included

Bottom end and top end components

Engineered to meet or exceed OEM quality

Reliable OEM sealing

Instant throttle response

Premium quality for smooth operation

Proven performance and reliability

Exact fit and long lasting

Track your engine and critical service intervals