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 Thickness of Valve Head (Margin) Intake
Standard Value 1.0 Millimeter (mm)
Minimum 0.5 Millimeter (mm)
Valve Thickness of Valve Head (Margin) Exhaust
Standard Value 1.2 Millimeter (mm)
Minimum 0.7 Millimeter (mm)
Valve Overall Length Intake
Standard Value 112.30 Millimeter (mm)
Minimum 111.80 Millimeter (mm)
Valve Overall Length Exhaust
Standard Value 114.11 Millimeter (mm)
Minimum 113.61 Millimeter (mm)
Valve Stem Outside Diameter Intake 6.0 Millimeter (mm)
Valve Stem Outside Diameter Exhaust 6.0 Millimeter (mm)
Valve Stem to Valve Guide Clearance Intake
Standard Value 0.02 - 0.05 Millimeter (mm)
Limit 0.10 Millimeter (mm)
Valve Stem to Valve Guide Clearance Exhaust
Standard Value 0.04 - 0.07 Millimeter (mm)
Limit 0.15 Millimeter (mm)
Valve Face Angle 45 - 45.5 Degrees (deg)
Valve Stem Projection
Standard Value 49.30 Millimeter (mm)
Limit 49.80 Millimeter (mm)