Top End Kit 72.00/+1.00 8.7:1 Yam

Wiseco's complete top end Piston Kits are offered for nearly every popular motorcycle application. These kits contain everything you need to complete your rebuild the right way, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping.
Features:

• Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more


• PK kits from Wiseco feature a complete top end gasket kit that gives you everything you need to complete your rebuild from premium materials


• Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy


• High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power

Fitment:
Yamaha YFB250 Timberwolf 2WD [SRA] 1992
Yamaha YFB250 Timberwolf 2WD [SRA] 1993
Yamaha YFB250 Timberwolf 2WD [SRA] 1994
Yamaha YFB250 Timberwolf 2WD [SRA] 1995
Yamaha YFB250 Timberwolf 2WD [SRA] 1996
Yamaha YFB250 Timberwolf 2WD [SRA] 1997
Yamaha YFB250 Timberwolf 2WD [SRA] 1998
Yamaha YFB250FW Timberwolf 4WD [SRA] 1994
Yamaha YFB250FW Timberwolf 4WD [SRA] 1995
Yamaha YFB250FW Timberwolf 4WD [SRA] 1996
Yamaha YFB250FW Timberwolf 4WD [SRA] 1997
Yamaha YFB250FW Timberwolf 4WD [SRA] 1998
Yamaha YFB250FW Timberwolf 4WD [SRA] 1999
Yamaha YFB250FW Timberwolf 4WD [SRA] 2000
Yamaha YFM250B Big Bear [SRA] 2007
Yamaha YFM250B Big Bear [SRA] 2008
Yamaha YFM250B Big Bear [SRA] 2009
Yamaha YFM250B Bruin 2WD [SRA] 2005
Yamaha YFM250B Bruin 2WD [SRA] 2006
Yamaha YFM250X Bear Tracker 2WD [SRA] 2000
Yamaha YFM250X Bear Tracker 2WD [SRA] 2001
Yamaha YFM250X Bear Tracker 2WD [SRA] 2002
Yamaha YFM250X Bear Tracker 2WD [SRA] 2003
Yamaha YFM250X Bear Tracker 2WD [SRA] 2004