17
TROUBLESHOOTING
Engine will not start, power loss.
• Check that the fuel tank is not empty. Fill with mixed fuel.
• The fuel does not reach the carburettor. Change the fuel filter in the fuel tank.
• There is water in the fuel. Drain and clean the fuel system.
• The air filter is dirty. Clean or replace the air filter.
• There are carbon deposits in the exhaust muffler restricting the engine. Clean or change the
muffler.
• Spark plug is worn. Replace spark plug.
MAINTENANCE SCHEDULE
Component
Procedure
Before
use
Every 15
Hours
Every 25
Hours
Every 50
Hours
Note
Fuel leaks / spillage
Wipe up
X
Fuel tank, filter
Inspect / clean
X
Replace if necessary
Idle adjust screw
See above
X
Adjust carburettor if
necessary
Spark plug BPMR7A
Clean and readjust
plug gap
X
GAP .025” (0.6-0.7mm)
Replace, if necessary
Cylinder fins, Intake air
cooling vent
Clean
X
Muffler, Spark arrestor,
cylinder exhaust port
Clean
X
Throttle lever, ignition
switch
Check operation
X
Air filter
Clean
X
Screws, nuts, bolts
Tighten / replace
X
Not adjustment
screws
Check all nuts & bolts
Grease the gear box
Check
X
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