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

Valve stem to guide clearance intake 0.020 - 0.069 Millimeter (mm)
Valve stem to guide clearance exhaust 0.046 - 0.095 Millimeter (mm)
Valve head diameter intake 38.9 - 39.1 Millimeter (mm)
Valve head diameter exhaust 33.91 - 34.11 Millimeter (mm)
Valve face runout limit intake and exhaust 0.05 Millimeter (mm)
Valve face angle degree 45.6 Degrees (deg)
Valve stem diameter standard (Std.) intake 8.025 - 8.043 Millimeter (mm)
Valve stem diameter standard (Std.) exhaust 7.996 - 8.017 Millimeter (mm)
Valve clearance in valve guide intake valve 0.017 - 0.064 Millimeter (mm)
exhaust valve 0.017 - 0.064 Millimeter (mm)
Valve clearance - intake valve (at 20 deg C +/- 5 deg C) 0.11 - 0.18 mm
Valve clearance - exhaust valve (at 20 deg +/- 5 deg C) 0.27 - 0.34 mm