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

Valve Overall Length Intake Standard 102.97 Millimeter (mm)
Limit 102.47 Millimeter (mm)
Valve Overall Length Exhaust Standard 102.67 Millimeter (mm)
Limit 102.17 Millimeter (mm)
Valve Thickness of Valve Head Intake Standard 1.2 Millimeter (mm)
Limit 0.7 Millimeter (mm)
Valve Thickness of Valve Head Exhaust Standard 2.0 Millimeter (mm)
Limit 1.5 Millimeter (mm)
Valve Stem Diameter Intake 8.0 Millimeter (mm)
Valve Stem Diameter Exhaust 7.9 Millimeter (mm)
Valve Stem to Guide Clearance Intake Standard 0.03 - 0.06 Millimeter (mm)
Limit 0.10 Millimeter (mm)
Valve Stem to Guide Clearance Exhaust Standard 0.05 - 0.09 Millimeter (mm)
Limit 0.15 Millimeter (mm)
Valve Face Angle 45 - 45.5 Degrees (deg)
Valve Stem Projection Intake Standard 41.65 Millimeter (mm)
Limit 42.15 Millimeter (mm)
Valve Stem Projection Exhaust Standard 41.65 Millimeter (mm)
Limit 42.15 Millimeter (mm)