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

High to Low Altitude--W/Man Trans





1. Disconnect rubber hose from air switching valve located on front left side of engine
2. Remove delay valve.
3. Connect rubber hose to air switching valve.
4. Remove air cleaner from carburetor.
5. Remove 3 rubber hoses attached to solenoid valve from air passage on carburetor, then install 3 rubber caps to these air passage lines.
6. Remove high compensator.
7. Install air cleaner on carburetor.
8. Adjust engine speed to specification.
9. Check timing.
10. Remove label.