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, Intake/Exhaust

LENGTH TIP-TO-GUIDE DIMENSION LINE
Intake 122.479-122.860 mm (4.822-4.837 inch)
Exhaust 122.860-123.241 mm (4.837-4.852 inch)

VALVE HEAD DIAMETER
Intake 48.387-48.641 mm (1.905-1.915 inch)
Exhaust 37.973-38.227 mm (1.495-1.505 inch)

VALVE FACE ANGLE
Intake 45°
Exhaust 45°

Stem-to-Guide Clearance 0.025-0.076 mm (0.001-0.003 inch)

Valve Stem Diameter 7.899-7.925 mm (0.311-0.312 inch)

Tip Refinishing (Max.) 0.25 mm (0.010 inch)