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, Intake/Exhaust

Valve arrangement (front to rear)-LH I-E-I-E-I-E
Valve arrangement (front to rear)-RH E-I-E-I-E-I
Valve head diameter-
intake 45.9-46.1 mm (1.807-1.815 inch)
Valve head diameter-
exhaust 38.9-39.1 mm (1.531-1.539 inch)
Valve face runout 0.03 mm (0.001 inch)
Valve face angle 5 degrees