Valve Guide

STEM TO GUIDE CLEARANCE:

Intake:
Standard (New) 0.02 - 0.05 mm (0.001 - 0.002 inch)
Service Limit 0.08 mm (0.003 inch)

Exhaust:
Standard (New) 0.05 - 0.08 mm (0.002 - 0.003 inch)
Service Limit 0.11 mm (0.004 inch)

INNER DIAMETER:

Intake:
Standard (New) 6.61 - 6.63 mm (0.260 - 0.261 inch)
Service Limit 6.65 mm (0.262 inch)

Exhaust:
Standard (New) 6.61 - 6.63 mm (0.260 - 0.261 inch)
Service Limit 6.65 mm (0.262 inch)

INSTALLED HEIGHT:
Intake 13.75 - 14.25 mm (0.541 - 0.561 inch)
Exhaust 15.75 - 16.25 mm (0.620 - 0.640 inch)