ATV Accessories

Premium Quality Replacement Part
Exhaust Valve kit for Yamaha Big Bear 350 YFM350 2×4 4×4 1987 1988 1989-1999
For Yamaha Models:
Big Bear 350 YFM350 2×4 4×4 1987-1999
Order Includes:
1 x Exhaust Valve: 3Y1-12121-01-00
Exhaust Valve Length: 1.25″ | 32.0 mm
Exhaust Valve Diameter: 4.17″ | 106.0 mm
1 x Inner Valve Spring: 1UY-12113-01-00
Width: 0.84″ | 21.4 mm
Height: 1.55″ | 39.6 mm
Thickness: 0.11″ | 2.9 mm
1 x Outer Valve Spring: 1UY-12114-01-00
Width: 1.22″ | 31.2 mm
Height: 1.71″ | 43.5 mm
Thickness: 0.16″ | 4.25 mm
1 x Valve Stem Seal: 1J7-12119-01-00
Length: 0.47″ | 12.0 mm
Width: 0.35″ | 9.0 mm
Inner Diameter: 0.18″ | 4.7 mm
Outer Diameter: 0.37″ | 9.4 mm
2 x Valve Cotter: 1J7-12118-00-00
Width: 0.16 ” | 4.2 mm
Length: 0.37 ” | 9.5 mm
Height: 0.27 ” | 7.0 mm
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