TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Engine will not start. No spark. Clean or replace spark plug. Reset spark plug
gap. Refer to Spark Plug Replacement earlier
in this manual.
[Make sure ignition switch is
in the RUN(I) position]
Engine is flooded. With the ignition switch OFF, remove spark plug.
Move choke lever to run position (pushed in
completely) and pull starter cord 15 to 20 times.
This will clear excess fuel from engine. Clean
and reinstall spark plug. Set ignition switch to
RUN ( l ) position. Push and fully release primer
bulb 7 times. Pull starter three times with choke
lever at run. If engine does not start, move choke
lever to FULL choke and repeat normal starting
procedure. If engine still fails to start, repeat
procedure with a new spark plug.
Old fuel. Only use fresh fuel mixed with recommended oil.
Fuel over 30 days old may prevent the unit from
starting.
Engine starts but will not
accelerate properly.
Carburettor requires “L”
(Low jet) adjustment.
Contact an authorised service centre for
carburettor adjustment.
Engine starts, then dies. Carburettor requires “L”
(Low Jet) adjustment.
Contact an authorised service centre for
carburettor adjustment.
Engine starts but will not run
properly at high speed.
Carburettor requires “H”
(High jet) adjustment.
Contact an authorised service centre for
carburettor adjustment.
Engine does not reach
full speed and/or emits
excessive smoke.
Lubricant/fuel mixture
incorrect.
Use fresh fuel and the correct 2-cycle lubricant
mix ratio.
Air filter dirty. Clean air filter. Refer to Cleaning the Air Filter
in the Maintenance section of this manual.
Spark arrester screen dirty. Clean spark arrestor screen. Refer to
Inspecting/Cleaning the Spark Arrestor
Screen in the Maintenance section of this
manual.
Carburettor requires “H”
(High jet) adjustment.
Contact an authorized service centre for
carburettor adjustment.
Engine starts, runs, and
accelerates but will not idle.
Carburettor requires
adjustment to idle speed.
Turn idle speed screw “T” clockwise to increase
idle speed. Refer to Adjusting the Carburettor
in the Maintenance section of this manual.
Chain turns at idle. Carburettor requires
adjustment to idle speed.
Turn idle speed screw “T” counter clockwise
to decrease speed. Refer to Adjusting the
Carburettor in the Maintenance section of this
manual.
Air leak in the intake system. Contact an authorised service centre for a rebuild
kit.
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