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 width-intake 0.0827 - 0.0748 Inch (in)
Valve seat width-exhaust 0.0827 - 0.0748 Inch (in)
Valve seat angle 45.00 - 44.50 Degrees (deg)
Valve seat runout (TIR) 0.001 Inch (in)