Description:

As the leading manufacturer of forged two-stroke pistons, Wiseco knows top end bearings are crucial to your top end rebuild. Wiseco two-stroke top end bearings are manufactured by leading bearing suppliers and inspected for quality.

This Part Fits:

Year	Make	Model	Submodel
2001,2004,2007-2008	Arctic Cat	Panther 370	Base
2003,2005-2006	Arctic Cat	Panther 370 R	Base
1999-2007	Arctic Cat	Z 370	Base
2000-2002	Arctic Cat	Z 370 ES	Base
2003	Arctic Cat	Z 370 ESR	Base
2004-2007	Arctic Cat	Z 370 LX	Base
2000-2019	Gas Gas	EC 250	Base
2010-2012	Gas Gas	EC 250 4T	Base
2017	Gas Gas	EC 250 R	Base
2010	Gas Gas	EC 250 Racing	Base
2011-2014	Gas Gas	EC 250 Replica	Base
2019	Gas Gas	EC 250 Six Days Chile 18	Base
2011-2015	Gas Gas	EC 250E	Base
2000-2019	Gas Gas	EC 300	Base
2012-2017	Gas Gas	EC 300 R	Base
2011-2014	Gas Gas	EC 300 Replica	Base
2019	Gas Gas	EC 300 Six Days Chile 18	Base
2011-2015	Gas Gas	EC 300E	Base
2019	Gas Gas	EC Ranger 300	Base
1997	Gas Gas	Enducross 250	Base
1998-2009	Gas Gas	Enducross EC 250	Base
2000-2009	Gas Gas	Enducross EC 300	Base
1998-2009	Gas Gas	MC 250	Base
2000-2019	Gas Gas	XC 250	Base
2011	Gas Gas	XC 250 4T	Base
2011	Gas Gas	XC 250 Cervantes Replica	Base
1981-1986	Honda	ATC250R	Base
1973-1976	Honda	CR250M	Base
1978-2007	Honda	CR250R	Base
1981-1984	Honda	FL250 Odyssey	Base
1985	Honda	FL350R Odyssey	Base
1986-1989	Honda	TRX250R	Base
1974-1984	Husqvarna	CR250	Base
1974,1976-1984	Husqvarna	WR250	Base
1992-1993,1996	Husqvarna	WXC 250	Base
1994-1996	Husqvarna	WXE 250	Base
1980-1982	Moto-Ski	Futura L/C	Base
1980-1982	Moto-Ski	Mirage I	Base
1980-1983	Moto-Ski	Mirage II	Base
1980-1982	Moto-Ski	Mirage IIE	Base
1980-1982	Moto-Ski	Ultra Sonic	Base
1990-1991	Sea-Doo	GT	Base
1992-1996	Sea-Doo	GTS	Base
1992-1993	Sea-Doo	GTX	Base
1991-1996	Sea-Doo	SP	Base
1993-1996	Sea-Doo	SPI	Base
1993	Sea-Doo	SPX	Base
1991-1992	Sea-Doo	XP	Base
1983-1987	Ski-Doo	Alpine	Base
1988-1990,1994	Ski-Doo	Alpine II	Base
1979-1981	Ski-Doo	Blizzard 5500	Base
1981-1984	Ski-Doo	Blizzard 5500 MX	Base
1982	Ski-Doo	Blizzard 9500	Base
1991	Ski-Doo	Cheyenne	Base
1991	Ski-Doo	Citation	Base
1980-1984	Ski-Doo	Citation 3500	Base
1980-1983	Ski-Doo	Citation 4500	Base
1985-1991	Ski-Doo	Citation LS	Base
1985-1991	Ski-Doo	Citation LSE	Base
1987	Ski-Doo	Escapade	Base
1980-1983	Ski-Doo	Everest 500	Base
1997	Ski-Doo	Formula 583	Base
1999-2001	Ski-Doo	Formula Deluxe 380 Fan	Base
2001	Ski-Doo	Formula Deluxe 500	Base
1999-2001	Ski-Doo	Formula Deluxe 500 Fan	Base
1999-2000	Ski-Doo	Formula Deluxe 500 LC	Base
1989-1992	Ski-Doo	Formula Mach 1	Base
1993-1995	Ski-Doo	Formula Mach Z	Base
1987-1990,1992-1995	Ski-Doo	Formula MX	Base
1993-1994	Ski-Doo	Formula MX Z	Base
1987-1993	Ski-Doo	Formula Plus	Base
1993	Ski-Doo	Formula Plus X	Base
1996,1998-2000	Ski-Doo	Formula S	Base
1996-1999	Ski-Doo	Formula SL	Base
1994-1996	Ski-Doo	Formula STX	Base
1994-1997	Ski-Doo	Formula Z	Base
1998-1999	Ski-Doo	Formula Z 583	Base
2002-2003	Ski-Doo	Grand Touring 380 Fan	Base
1997-1999	Ski-Doo	Grand Touring 583	Base
1994	Ski-Doo	Grand Touring XTC	Base
2005-2006	Ski-Doo	GSX 550 Fan	Base
2005-2006	Ski-Doo	GTX 550 Fan	Base
2003-2004	Ski-Doo	Legend 380 Fan	Base
1996	Ski-Doo	Mach Z	Base
1996	Ski-Doo	Mach Z LT	Base
2001-2006	Ski-Doo	MX Z 380 Fan	Base
1996-1998	Ski-Doo	MX Z 440 Fan	Base
2001-2002	Ski-Doo	MX Z 500 Fan	Base
1996-1998	Ski-Doo	MX Z 583	Base
1984-1988	Ski-Doo	Safari 377	Base
1988	Ski-Doo	Safari 503	Base
1983	Ski-Doo	Skandic 277	Base
1983	Ski-Doo	Skandic 377	Base
1998-2000	Ski-Doo	Skandic 380	Base
1996-2000	Ski-Doo	Skandic 500	Base
2003	Ski-Doo	Skandic 500 Sport	Base
1997-2003	Ski-Doo	Skandic 500 SWT	Base
1984	Ski-Doo	SS25	Base
2001-2002	Ski-Doo	Summit 500 Fan	Base
1994-1998	Ski-Doo	Summit 583	Base
2001	Ski-Doo	Touring 500 Fan	Base
1995-2000	Ski-Doo	Touring E	Base
1995-1999	Ski-Doo	Touring LE	Base
1995-1999	Ski-Doo	Touring SLE	Base
1985-1992	Ski-Doo	Tundra	Base
1974-1979	Yamaha	DT250	Base
1975-1978	Yamaha	DT400	Base
1977-1982	Yamaha	IT250	Base
1977-1978	Yamaha	IT400	Base
1973-1975	Yamaha	MX250	Base
1975	Yamaha	MX400	Base
1984-1989	Yamaha	PZ480 Phazer	Base
1990-1996	Yamaha	PZ480 Phazer II	Base
1997-1998	Yamaha	PZ480 Phazer SS	Base
1987-1989	Yamaha	PZ480E Phazer Deluxe	Base
1985	Yamaha	PZ480E Phazer E	Base
1990-1996	Yamaha	PZ480E Phazer II LE	Base
1997-1998	Yamaha	PZ480E Phazer SS Electric	Base
1984	Yamaha	PZ480SE Phazer SE	Base
1991-1995	Yamaha	PZ480ST Phazer II ST	Base
1996-1999	Yamaha	PZ480ST Phazer Mountain Lite	Base
1999-2001	Yamaha	PZ500 Phazer 500	Base
2001	Yamaha	PZ500DX Phazer Deluxe	Base
2000-2001	Yamaha	PZ500ML Phazer Mountain Lite	Base
1980-1985	Yamaha	SS440	Base
1991-1997	Yamaha	VT480 Venture XL	Base
1992-1993	Yamaha	VT480GT Venture GT	Base
1996-1998	Yamaha	VT480TR Venture TR	Base
1976-1982,1999-2022	Yamaha	YZ250	Base
2016-2022	Yamaha	YZ250X	Base
1977-1978	Yamaha	YZ400	Base