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 System
Valve Face Angle 45 degrees
Valve Guide Installed Height (Aluminum Head-Measured from the Cylinder Head Spring Seat Surface to the Top of the Valve Guide) 17.32 mm (0.682 inch)
Valve Lash Net Lash-No Adjustment
Valve Lift (Exhaust) 11.85 mm (0.466 inch)
Valve Lift (Intake) 11.6 mm (0.457 inch)
Valve Lifter Hydraulic Roller
Valve Margin 1.25 mm (0.05 inch)
Rocker Arm Ratio 1.70:1