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)

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Throttle Full Open Switch: Description and Operation

Wide Open Throttle (WOT) Switch
This is a mechanically operated electrical switch controlled by throttle position to indicate a wide open throttle condition.

Open Loop 2 (OL2) Switch-1981
This is a mechanically controlled switch which has a normally closed electric switch. The switch is integral with the W0T switch, mounted at the base of the carburetor.