Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Valve Guide

Valve Arrangement (Front to Rear)
Valve Stem Guide Clearance
Intake 0.069 - 0.020 mm
Exhaust 0.095 - 0.045 mm
Valve Head Diameter
Intake 44.63 - 44.37 mm
Exhaust 34.12 - 33.88 mm
Valve Face Runout (Limit) 0.05 mm
Valve Face Angle 45.75 - 45.25 degrees
Valve Stem Diameter
Intake 6.995 - 6.975 mm
Exhaust 6.970 - 6.949 mm
Valve Guide Inside Diameter 7.044 - 7.015 mm