16
ADDITIONAL PROBLEMS
Troubleshooting Guide
Blower intake or discharge ports or
tubes are clogged with debris.
Impeller blades are missing or damaged.
Poor acceleration.
Clogged air filter.
Clogged fuel filter.
Lean fuel/air mixture.
Idle speed set too low.
Clean the air filter.
Replace the fuel filter.
Consult with an authorized servicing dealer.
Adjust: ,000 (±00) RPM (min
-1
).
Symptom
Possible Cause
Remedy
Engine stops abruptly.
Ignition switch turned off.
Fuel tank empty.
Clogged fuel filter.
Water in the fuel.
Shorted spark plug or loose terminal.
Ignition failure.
Piston seizure.
Reset the switch and restart.
Refuel. See page 8.
Replace fuel filter.
Drain; replace with clean fuel. See page 8.
Clean and replace spark plug, tighten
the terminal.
Replace the ignition unit.
Consult with an authorized servicing dealer.
Engine difficult to shut off.
Ground (stop) wire is disconnected or
switch is defective.
Overheating due to incorrect spark plug.
Overheated engine.
Test and replace as required.
Idle engine until cool.
Clean and regap the plug to 0.6 mm (0.04 inch).
Correct plug: NGK CMR5H or equivalent resistor
type spark plug of the correct range.
Idle engine until cool.
Excessive vibration.
Debris build-up in impeller.
Loose or damaged impeller.
Loose or damaged engine mounts.
Clean debris from impeller as required.
Inspect and replace impeller as required.
Tighten or replace engine mounts as required.
Engine overspeeding.
Inspect and remove debris.
Consult with an authorized servicing dealer.
