Compatible with OEM Part Numbers Yamaha 810-K-VLV-0007, 5H0-12111-02-00, 5H0-12121-01-00, 5H0-12111-02-00, 5H0-12121-01-00, 5H0-12111-02-00, 5H0-12121-01-00 Compatible with Models Motorcyle 1999-2004 Yamaha TTR225, 1986-1987 Yamaha TT225, 2005-2016 Yamaha TTR230, 1992-2007 Yamaha XT225, 1982-1983 Yamaha XT200, 1985-1988 Yamaha Big Wheel 200 BW200, 1987-2016 Yamaha TW200 Trailway, 1981-1982 Yamaha Exciter 185 SR185 Compatible with ATV 1992-2000 Yamaha Timberwolf 250, 1986-1988 Yamaha Moto 4 YFM225, 1983-1986 Yamaha Tri Moto 225, 1999-2004 Yamaha Bear Tracker 250, 1985-1989 Yamaha Moto 4 YFM200, 1989-1991 Yamaha Moto 4 YFM250, 1989 Yamaha Pro Hauler 1000, 1983-1985 Yamaha Tri Moto 200 Stem and Head Separation Eliminated by One-Piece Design, Valves Made of Hardened, Heat-Treated Alloy. Fully Compatible with your Existing OEM Components Includes Intake Valve, Exhaust Valve Included Items in This Bundle:

(QTY 1) NICHE 519-CVL2233V Cylinder Intake Valve

Substitute For OEM Part Numbers(s): 5H0-12111-02-00, 5H0-12111-01-00, 5H0-12111-00-00

(QTY 1) NICHE 519-CVL2234V Cylinder Exhaust Valve

Substitute For OEM Part Numbers(s): 5H0-12121-01-00, 5H0-12121-00-00

Fits The Following OEM Models:

Yamaha Bear Tracker 250 Hunter Edition: 2001-2002
Yamaha Bear Tracker 250: 1999-2004
Yamaha Big Wheel 200 ES: 1986-1988
Yamaha Big Wheel 200: 1985-1988
Yamaha Exciter 185 SR185: 1981-1982
Yamaha Moto 4 200: 1985-1989
Yamaha Moto 4 225: 1986-1988
Yamaha Moto 4 250: 1989-1991
Yamaha Pro Hauler 1000 Turf Tires: 1989
Yamaha Pro Hauler 1000: 1989
Yamaha Serow XT225: 1992-2007
Yamaha Timberwolf 250 2WD: 1992-1998
Yamaha Timberwolf 250 4X4: 1994-2000
Yamaha Tri Moto 200: 1983-1985
Yamaha Tri Moto 225: 1983-1986
Yamaha TT225: 1986-1987
Yamaha TTR225: 1999-2004
Yamaha TTR230: 2005-2020
Yamaha TW200 Trailway: 1987-2000
Yamaha TW200: 1987-2020
Yamaha XT125: 1982-1983
Yamaha XT250: 2008-2018