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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Valve Guide Seal

Valve stem outside diameter
Intake
Standard Value 6.0 mm (0.24 in.)
Exhaust
Standard Value 6.0 mm (0.24 in.)
Valve thickness to valve guide clearance
Intake
Standard Value 0.02 - 0.05 mm (0.0008 - 0.0019 in.)
Limit 0.10 mm (0.003 in.)
Exhaust
Standard Value 0.04 - 0.07 mm (0.0016 - 0.0027 in.)
Limit 0.15 mm (0.005 in.)
Valve face angle
Standard Value 45 - 45.5 °