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

SERVICE SPECIFICATIONS
Inside Diameter:
Intake:
Standard 7.000-7.015 mm (0.2756-0.2761 inch)
Exhaust:
Standard 7.000-7.015 mm (0.2756-0.2761 inch)
Stem To Guide Clearance:
Intake:
Standard 0.20-0.050 mm (0.0008-0.0019 inch)
Limit 0.07 mm (0.0027 inch)
Exhaust:
Standard 0.035-0.065 mm (0.0014-0.0025 inch)
Limit 0.09 mm (0.0035 inch)
Protrusion:
Intake And Exhaust 14 mm (0.55 inch)