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

Seat Angle 46 degrees
Valve Seat Depth - Intake - from deck face 7.9 - 8.1 mm (0.3111 - 0.318 inch)
Valve Seat Depth - Exhaust - from deck face 8.9 - 9.1 mm (0.350 - 0.358 inch)
Valve Seat Runout 0.037 mm (0.0015 inch)
Seat Width - Intake 1.55 - 1.80 mm (0.061 - 0.071 inch)
Seat Width - Exhaust 1.70 - 2.0 mm (0.067 - 0.079 inch)