Piston Kit 83.50/+0.50 8.6:1 Yam

Features:

• All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.


• Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today*s cylinder bore compositions


• Wiseco*s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today*s market place.

Fitment:
Yamaha YFM400 Big Bear 2WD [SRA] 2000
Yamaha YFM400 Big Bear 2WD [SRA] 2001
Yamaha YFM400 Big Bear 2WD [SRA] 2002
Yamaha YFM400 Big Bear 2WD [SRA] 2003
Yamaha YFM400 Big Bear 2WD [SRA] 2004
Yamaha YFM400FA Kodiak 4WD [SRA] 1993
Yamaha YFM400FA Kodiak 4WD [SRA] 1994
Yamaha YFM400FA Kodiak 4WD [SRA] 1995
Yamaha YFM400FA Kodiak 4WD [SRA] 1996
Yamaha YFM400FA Kodiak 4WD [SRA] 1997
Yamaha YFM400FA Kodiak 4WD [SRA] 1998
Yamaha YFM400FA Kodiak 4WD [SRA] 1999
Yamaha YFM400FB Big Bear 4WD [SRA] 2000
Yamaha YFM400FB Big Bear 4WD [SRA] 2001
Yamaha YFM400FB Big Bear 4WD [SRA] 2002
Yamaha YFM400FB Big Bear 4WD [SRA] 2003
Yamaha YFM400FB Big Bear 4WD [SRA] 2004
Yamaha YFM400FB Big Bear 4WD [SRA] 2005
Yamaha YFM400FB Big Bear 4WD [SRA] 2006
Yamaha YFM400FBI Big Bear 4WD [IRS] 2007
Yamaha YFM400FBI Big Bear 4WD [IRS] 2008
Yamaha YFM400FBI Big Bear 4WD [IRS] 2009
Yamaha YFM400FBI Big Bear 4WD [IRS] 2010
Yamaha YFM400FBI Big Bear 4WD [IRS] 2011
Yamaha YFM400FBI Big Bear 4WD [IRS] 2012