Valve, Intake/Exhaust

Valve Guide Inside Diameter 5.485-5.510 mm (0.2159-0.2169 inches)
Valve Head Thickness Intake Valves
Standard 0.8-1.2 mm (0.03-0.047 inches)
Minimum 0.6 (0.024 inches)
Valve Head Thickness Exhaust Valves
Standard 0.8-1.2 mm (0.03-0.047 inches)
Minimum 0.7 mm (0.027 inches)
Valve Seating Contact Width:
Intake and Exhaust 1.1-1.3 mm (0.0433-0.0512 inches)
Intake Valve Stem Outside Diameter 5.465-5.480 mm (0.2152-0.2157 inches)
Exhaust Valve Stem Outside Diameter 5.440-5.455 mm (0.2142-0.2148 inches)
Intake Valve Stem Radial Runout (minimum) 0.14 mm (0.005 inches)
Exhaust Valve Stem Radial Runout (Minimum) 0.18 mm (0.007 inches)
Intake Valve Stem-to-Valve Guide Clearance:
Standard 0.005-0.045 mm (0.0002-0.0018 inches)
Maximum 0.070 mm (0.0027 inches)
Exhaust Valve Stem-to-Valve Guide Clearance:
Standard 0.030-0.070 mm (0.0012-0.0027 inches)
Maximum 0.090 mm (0.0035 inches)
Valve Spring Free Length
Standard 36.83 mm (1.4500 inches)
Minimum 35.67 mm (1.4043 inches)
Valve Spring Pre Load:
Standard 10.7-12.5 kg at 35.5 mm (23.6-27.5 lbs. at 1.24 inches)
Minimum) 9.3 kg at 31.5 mm (20.5 lbs. at 1.24 inches)
Valve Spring Squareness Deviation Max. 2.0 mm (0.079 inches)