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 Guides Specifications
Diameter:
Standard (0 Grooves) 12.00 mm
Oversize 1 (1 Groove) 12.10 mm
Oversize 2 (2 Grooves) 12.20 mm
Clearance Between New Components:
Intake 0.03-0.06 mm
Exhaust 0.04-0.07 mm
Max. Clearance, Used Components:
Intake/Exhaust 0.15 mm