Valves

Valves
Length (Tip-to-Gauge Dimension Line)
Intake 122.479 - 122.860 mm (4.822 - 4.837 in)
Exhaust 122.860 - 123.241 mm (4.837 - 4.852 in)
Valve Stem Diameter 7.899 - 7.925 mm (0.311 - 0.312 in)
Stem-to-Guide Clearance 0.025 - 0.076 mm (0.001 - 0.003 in)
Valve Head Diameter
Intake 48.387 - 48.641 mm (1.905 - 1.915 in)
Exhaust 37.973 - 38.227 mm (1.495 - 1.505 in)
Valve Face Angle
Intake 45°
Exhaust 45°
Tip Refinishing (Max. Allowable) 0.25 mm (0.010 in)