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

GENERAL SPECIFICATIONS
Valve Stem to Guide Clearance
Intake 0.026-0.068 mm (0.001-0.0027 inches)
Exhaust 0.038-0.081 mm (0.0015-0.0032 inches)
Valve Head Diameter
Intake 40.0 mm (1.57 inches)
Exhaust 33.0 mm (1.30 inches)
Valve Face Runout Limit 0.05 mm (0.002 inches)
Valve Face Angle 44 degrees
Valve Stem Diameter
Standard
Intake 7.940-7.960 mm (0.3126-0.3134 inches)
Exhaust 7.928-7.948 mm (0.3121-0.3129 inches)
Oversize
Intake 8.320-8.340 mm (0.3276-0.3283 inches)
Exhaust 8.308-8.328 mm (0.3271-0.3279 inches)
Oversize
Intake 8.700-8.720 mm (0.3425-0.3433 inches)
Exhaust 8.688-8.708 mm (0.3420-0.3428 inches)