Valve: Specifications

DIMENSIONS
Head Thickness
Intake
Standard 1.0 mm (0.039 inch)
Minimum Limit 0.6 mm (0.02 inch)
Exhaust
Standard 1.2 mm (0.047 inch)
Minimum Limit 0.7 mm (0.027 inch)

Stem
Outside Diameter
Intake 5.457-5.480 mm (0.2148-0.2157 inch)
Exhaust 5.440-5.455 mm (0.2142-0.2148 inch)
Radial Runout (Min.) 0.08 mm (0.003 inch)

Stem-to-Valve Guide Clearance
Intake
Standard 0.020-0.055 mm (0.0008-0.0022 inch)
Maximum Limit 0.070 mm (0.0027 inch)
Exhaust
Standard 0.045-0.072 mm (0.0018-0.0028 inch)
Maximum Limit 0.090 mm (0.0035 inch)