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 muer restricting the engine. Clean or change
the muer.
• Spark plug is worn. Replace spark plug.
Service 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 p.24
X X
djust
carburettor if
necessary
Spark plug
BPMR7A
Clean and
readjust
plug gap
X
GP .025”
(0.6-0.7mm)
Replace, if
necessary
Cylinder fins,
Intake air
cooling vent
Clean
X
Muer, Spark
arrestor,
cylinder
exhaust port
Clean
X
Throttle lever,
ignition switch
Check
operation
X
ir filter Clean
X
Screws, nuts,
bolts
Tighten /
replace
X
Not adjustment
screws
Grease the
gear box
Check
X