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Valve: Testing and Inspection

A. Valve Head Diameter 

Intake: 31.00 mm ± 0.15 mm
Exhaust: 27.00 mm ± 0.15 mm

B. Valve Stem Diameter 

Intake: 6.97 mm + 0 or - 0.015 mm
Exhaust: 6.96 mm + 0 or - 0.015 mm

C. Overall Length 

Intake: 104.05 mm ± 0.18 mm
Exhaust: 103.30 mm ± 0.18 mm
Max. Machining Allowance: 0.4 mm

D. Valve Head Height 

Intake/Exhaust: 1.5 mm
Min. Height After Grinding: 1.2 mm

E. Sealing Face Angle 

Intake: 44.5°
Exhaust: 44.5°

Valve Stem Height 

Height: 48.5 mm ± 0.4 mm
Max. Machining Allowance: 0.4 mm

Engine, Cooling and Exhaust > Engine > Cylinder Head Assembly > Valve, Intake/Exhaust > Component Information > Specifications > Page 1993

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