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)

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Valve, Intake/Exhaust







Intake Valve Head Diameter 40.0 mm (1.57 in.)
Exhaust Valve Head Diameter 33.0 mm (1.30 in.)
Valve Face Runout Limit 0.05 mm (0.002 in.)
Valve Face Angle 44°
Intake Valve Stem Diameter (std.) 7.960-7.940 mm (0.3134-0.3126 in.)
Exhaust Valve Stem Diameter (std.) 7.948-7.928 mm (0.3129-0.3121 in.)
Oversize Valve Stem Diameter
Intake Valve Stem Diameter (oversize) 8.340-8.320 mm (0.3283-0.3276 in.)
Exhaust Valve Stem Diameter (oversize) 8.328-8.308 mm (0.3279-0.3271 in.)
Intake Valve Stem Diameter (oversize) 8.720-8.700 mm (0.3433-0.3425 in.)
Exhaust Valve Stem Diameter (oversize) 8.708-8.688 mm (0.3428-0.3420 in.)