Manufactured by
Kit Includes 2 Compression Rings, 1 Oil Ring 2 Scraper Rings (you get exactly what is pictured)
Rings are interchangeable with OEM pistons unless noted
Rings are for .020 over bore bore size – 83.50mm
Compatible with Yamaha models below:
1987 Big Bear 350 4×4 (YFM350FW)
1987 Moto-4 350 (YFM350ER)
1987 Warrior 350 (YFM350X)
1988 Big Bear 350 4×4 (YFM350FW)
1988 Moto-4 350 (YFM350ER)
1988 Warrior 350 (YFM350X)
1989 Big Bear 350 4×4 (YFM350FW)
1989 Moto-4 350 (YFM350ER)
1989 Warrior 350 (YFM350X)
1990 Big Bear 350 4×4 (YFM350FW)
1990 Moto-4 350 (YFM350ER)
1990 Warrior 350 (YFM350X)
1991 Big Bear 350 4×4 (YFM350FW)
1991 Warrior 350 (YFM350X)
1992 Big Bear 350 4×4 (YFM350FW)
1992 Moto-4 350 (YFM350ER)
1992 Warrior 350 (YFM350X)
1993 Big Bear 350 4×4 (YFM350FW)
1993 Kodiak 400 4×4 (YFM400FW)
1993 Moto-4 350 (YFM350ER)
1993 Warrior 350 (YFM350X)
1994 Big Bear 350 4×4 (YFM350FW)
1994 Kodiak 400 4×4 (YFM400FW)
1994 Moto-4 350 (YFM350ER)
1994 Warrior 350 (YFM350X)
1995 Big Bear 350 4×4 (YFM350FW)
1995 Kodiak 400 4×4 (YFM400FW)
1995 Moto-4 350 (YFM350ER)
1995 Warrior 350 (YFM350X)
1995 Wolverine 350 4×4 (YFM350FX)
1996 Big Bear 350 2×4 (YFM350U)
1996 Big Bear 350 4×4 (YFM350FW)
1996 Kodiak 400 4×4 (YFM400FW)
1996 Warrior 350 (YFM350X)
1996 Wolverine 350 4×4 (YFM350FX)
1997 Big Bear 350 2×4 (YFM350U)
1997 Big Bear 350 4×4 (YFM350FW)
1997 Kodiak 400 4×4 (YFM400FW)
1997 Warrior 350 (YFM350X)
1997 Wolverine 350 4×4 (YFM350FX)
1998 Big Bear 350 2×4 (YFM350U)
1998 Big Bear 350 4×4 (YFM350FW)
1998 Kodiak 400 4×4 (YFM400FW)
1998 Warrior 350 (YFM350X)
1998 Wolverine 350 4×4 (YFM350FX)
1999 Big Bear 350 2×4 (YFM350U)
1999 Big Bear 350 4×4 (YFM350FW)
1999 Kodiak 400 4×4 (YFM400FW)
1999 Warrior 350 (YFM350X)
1999 Wolverine 350 4×4 (YFM350FX)
2000 Big Bear 400 2×4 (YFM400)
2000 Big Bear 400 4×4 (YFM400F)
2000 Warrior 350 (YFM350X)
2000 Wolverine 350 4×4 (YFM350FX)
2001 Big Bear 400 2×4 (YFM400)
2001 Big Bear 400 4×4 (YFM400F)
2001 Warrior 350 (YFM350X)
2001 Wolverine 350 4×4 (YFM350FX)
2002 Big Bear 400 2×4 (YFM400)
2002 Big Bear 400 4×4 (YFM400F)
2002 Warrior 350 (YFM350X)
2002 Wolverine 350 4×4 (YFM350FX)
2003 Big Bear 400 2×4 (YFM400)
2003 Big Bear 400 4×4 (YFM400F)
2003 Warrior 350 (YFM350X)
2003 Wolverine 350 4×4 (YFM350FX)
2004 Big Bear 400 2×4 (YFM400)
2004 Big Bear 400 4×4 (YFM400F)
2004 Bruin 350 2×4 (YFM350A)
2004 Bruin 350 4×4 (YFM350FA)
2004 Raptor 350 (YFM350R)
2004 Warrior 350 (YFM350X)
2004 Wolverine 350 4×4 (YFM350FX)
2005 Big Bear 400 4×4 (YFM400F)
2005 Bruin 350 2×4 (YFM350A)
2005 Bruin 350 4×4 (YFM350FA)
2005 Raptor 350 (YFM350R)
2005 Wolverine 350 4×4 (YFM350FX)
2006 Big Bear 400 4×4 (YFM400F)
2006 Bruin 350 2×4 (YFM350A)
2006 Bruin 350 4×4 (YFM350FA)