Wiseco 90-06 Yamaha YFM/YFB250 8.71 (4675M07100) Piston Kit

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

This Part Fits:

Year	Make	Model	Submodel
1992-1998	Yamaha	YFB250 Timberwolf 2x4	Base
1994-2000	Yamaha	YFB250FW Timberwolf 4x4	Base
2000-2004	Yamaha	YFM250 Bear Tracker	Base
2007-2009	Yamaha	YFM250 Big Bear	Base
2005-2006	Yamaha	YFM250 Bruin	Base