Valve, Intake/Exhaust

Valve Guide Inside Diameter 5.500-5.12 mm (0.2166-0.2170 inches)
Valve Head Thickness Intake Valves (Standard) 0.8-1.2 mm (0.03-0.047 inches)
Intake Valves (Minimum Limit) 0.6 mm (0.024 inches)
Exhaust Valves (Standard) 0.8-1.2 mm (0.03-0.047 inches)
Exhaust Valves (Minimum Limit) 0.7 mm (0.027 inches)
Valve Head Angles for Refinishing Area Above Seat Contact Surface 15°
Seat Contact Surface 45°
Valve Seating Contact Width Intake Valves 1.1-1.13 mm (0.0433-0.0512 inches)
Valve Stem Outside Diameter Intake Valves 5.465-5.480 mm (0.2152-0.2157 inches)
Exhaust Valves 5.440-5.445 mm (0.2142-0.2148 inches)
Valve Stem-to-Valve Guide Clearance Intake Valves (Standard) 0.0209-0.047 mm (0.0008-0.0018 inches)
Intake Valves (Maximum Limit) 0.070 mm (0.0027 inches)
Exhaust Valves (Standard) 0.045-0.072 mm (0.0018-0.0028 inches)
Exhaust Valves (Maximum Limit) 0.090 mm (0.0035 inches)
Valve Spring Free Length Standard 36.83 mm (1.45 inches)
Minimum Limit 35.67 mm (1.4043 inches)
Valve Spring Preload Standard 10.7-12.5 kg at 31.5 mm (23.6-27.5 lbs at 1.24 inches)
Valve Spring Side Clearance (Maximum) 2.0 mm (0.079 inches)