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 Seat

Valve Seat Angle 46°
Valve Seat Runout 0.05 mm - Maximum (0.002 inch - Maximum)
Valve Seat Width - Exhaust - Heavy Duty 1.50-2.56 mm (0.059-0.101 inch)
Valve Seat Width - Exhaust - Light Duty 1.65-2.49 mm (0.065-0.098 inch)
Valve Seat Width - Intake 1.02-1.65 mm (0.040-0.065 inch)