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)

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Rocker Arm

Valve clearances are measured with engine at normal operating temperature (Hot). Clearance for intake valves should be .006 inch, clearance for exhaust valves should be .010 inch and clearance for jet valves should be .010 inch.