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 Head Diameter "D" Intake 34.0 - 34.3 Millimeter (mm)
Exhaust 30.0 - 30.3 Millimeter (mm)
Valve Length "L" Intake 101.19 - 101.61 Millimeter (mm)
Exhaust 102.11 - 102.53 Millimeter (mm)
Valve Stem Diameter "d" Intake 5.965 - 5.980 Millimeter (mm)
Exhaust 5.945 - 5.960 Millimeter (mm)
Valve Seat Angle "a" Intake 45 deg 15' - 45 deg 45'
Exhaust 45 deg 15' - 45 deg 45'
Valve Margin "T" Intake 1.1 Millimeter (mm)
Exhaust 1.3 Millimeter (mm)
Valve Margin "T" Limit More Than 0.5 Millimeter (mm)
Valve Stem End Surface Grinding Limit Less Than 0.2 Millimeter (mm)