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 CLEARANCE (COLD)
Intake 0.15 - 0.25 mm (0.006 - 0.010 inch)
Exhaust 0.25 - 0.35 mm (0.010 - 0.014 inch)

VALVE OVERALL LENGTH
STD:
Intake 98.4 mm (3.874 inch)
Exhaust 97.9 mm (3.854 inch)
Minimum:
Intake 97.9 mm (3.854 inch)
Exhaust 97.4 mm (3.835 inch)

VALVE FACE ANGLE 44.5°

STEM DIAMETER
Intake 6.970 - 6.985 mm (0.2744 - 0.2750 inch)
Exhaust 6.965 - 6.980 mm (0.2742 - 0.2748 inch)

STEM OIL CLEARANCE
STD:
Intake 0.025 - 0.060 mm (0.0010 - 0.0024 inch)
Exhaust 0.030 - 0.065 mm (0.0012 - 0.0026 inch)
Maximum:
Intake 0.08 mm (0.0031 inch)
Exhaust 0.10 mm (0.0039 inch)

MARGIN THICKNESS
STD 1.2 mm (0.047 inch)
Maximum 1.0 mm (0.039 inch)