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, Intake/Exhaust

LIFT
Valve 10.29 mm (0.405 inch)

LENGTH (TIP-TO-GAUGE 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 STEM:
Diameter 7.899 - 7.925 mm (0.311 - 0.312 inch)
to-Guide Clearance 0.025 - 0.076 mm (0.001 - 0.003 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°

TIP REFINISHING:
Max. Allowable 0.25 mm (0.010 inch)