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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Hot Starting

If the engine fails to start within 1.4 seconds when warm because of vapor in the fuel lines, the cold start valve will be energized by a hot start relay. This way the engine will be started by the fuel supplied by the cold start valve while the vapor in the fuel lines is purged.