-11-
Clogged fuel filter
Cleaning
Inadequate warm-up, especially in
cold weather
Warm-up
Faulty ignition coil
Replacement
Clogged cylinder exhaust port or
carbon clogging the muffler
Cleaning
Clogged air cleaner
Cleaning
The chain brake is on.
Release
Faulty ignition coil
Replacement
Dirt clogging the carburetor
high-speed fuel line
Cleaning
Faulty carburetor pump diaphragm
Replacement
Air intake from the gasket portions
Inspection
Revolutions too low for idling
Adjustment
Revolutions too low for idling
Adjustment
Revolutions too low for idling
Adjustment
Revolutions too high for idling
Adjustment
Worn or faulty clutch
Inspection/replacement
The engine stalls.
High speed unavailable
Pulling the throttle lever
increases the speed.
Revolutions fluctuate.
The engine stalls.
The engine stalls.
When the speed rapidly
decelerates from high speed …
The engine stalls.
When the product is tilted during
idling …
Starts rotating.
OK
OK
OK
OK
OK
OK
Starts up, and when idling mode
is set …
The engine stalls.
OK
High speed unavailable
Pulling the throttle lever
increases the speed.
OK
Revolutions fluctuate.
OK
Starts up, and when idling mode
is set …
OK
OK
Starts rotating.
The engine starts, but when the
throttle is pulled …
When the revolutions increase
…
The chain blades start rotating
during idling.