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

Valve seat angle	degs.	45
Correction angle - outer	degs.	15
Correction angle - inner	degs.	60
Seat width - Intake	mm	1.0 (+0.1)
Seat width - Exhaust	mm	1.2 (+0.1)
Seat dia.	--	--
Intake O.D.	mm	34.5 (+0.1)
Exhaust O.D.	mm	30.0 (+0.1)