5. FUEL SYSTEM MOVIE SYSTEM
AUTO FUEL VALVE
No Smoking!
First clean the fuel tube.
Disconnect the fuel tube and vacuum tube
from the carburetor.
Connect a vacuum pump to the vacuum tube
and apply vacuum. Check if fuel flows
out. Auto Fuel Valve
· The valve is operating normally if fuel
flows out of the fuel tube when the
vacuum is applied.
· The fuel shall stop flowing out when the
vacuum pump is disconnected.
If the fuel valve does not operate normally,
Check the vacuum diaphragm for poor
installation or damage and inspect the fuel
tube for clogging.
FUEL UNIT Fuel Unit
Refer to Section 17 for the fuel unit
inspection.
REMOVAL
Disconnect the fuel unit wire connector.
Turn the fuel unit retainer counterclockwise
and remove the fuel unit.
Do not bend the fuel unit float arm;
otherwise, the fuel unit metering values
will be incorrect.
Mark
INSTALLATION
Inspect the fuel unit gasket for damage.
Install the fuel unit by aligning the groove
in the fuel unit with the tab on the fuel tank.
Retainer
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