60H5E11
9
Power unit
Symptom: Engine starts but does not remain on.
• Check the fuel system.
• Check the ignition system.
• Check the compression pressure of the power
unit.
• Do not touch any of the connections of
the spark gap tester leads.
• Do not let sparks leak out of the re-
moved spark plug caps.
• Keep flammable gas or liquids away,
since this test can produce sparks.
Fuel system
Ye s
No
Ye s
No
Ye s
No
Ye s
No
Ye s
No
Check that the fuel vent screw
of the fuel tank is open.
Is the vent
screw open?
Open the fuel vent screw.
Check the water accumulation
or clogging of the fuel filter.
Is there water
or residue?
Clean the fuel system from the
fuel tank to the fuel filter.
Check the fuel hose for kinks or
fuel leakage.
Is there any kinks
or fuel leakage?
Correct or replace the faulty
parts.
Check the fuel pump for leaks
from the valve by applying the
specified pressure on the pump.
Is there any
leakage?
Replace the fuel pump.
Check the carburetor operation.
Good operating
condition?
Adjust or replace the carburetor.
Check the ignition system.
9-6
To Next Page
Loading...
