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ADDITIONAL PROBLEMS
Fuel tank empty.
Clogged fuel filter.
Water in the fuel.
Shorted spark plug or loose terminal.
Ignition failure.
Piston seizure.
Ground (stop) wire is disconnected or
switch is defective
Overheating due to incorrect spark plug
Clogged air filter.
Clogged fuel filter.
Lean fuel/air mixture.
Idle speed set too low.
Switch turned off.
Refuel. See Fuel section of manual.
Replace fuel filter.
Drain; replace with clean fuel. See Fuel
section of manual..
Clean or replace spark plug. Check the
Specifications page in this manual for the
proper spark plug for your unit. Tighten
the terminal.
Replace the ignition unit.
Consult with an authorized
servicing dealer
Test and replace as required.
Replace the spark plug. Check the
Specifications page in this manual for the
proper spark plug for your unit.
Clean or replace the air filter.
Replace the fuel filter.
Consult with an authorized
servicing dealer.
Adjust idle. Check Specifications page for
correct idle speed.
Reset the switch and re-start.
Overheated engine.
Engine idle too high.
Broken clutch spring or worn clutch
spring boss.
Loose attachment holder.
Warped or damaged attachment.
Loose gearcase.
Poor acceleration.
Engine stops abruptly.
Engine difficult to
shut off.
Cutting attachment
moves at engine idle.
Excessive vibration.
Cutting attachment will
not move.
Idle engine until cool.
Adjust idle. Check Specifications page for
correct idle speed.
Replace spring/shoes as required,
check idle speed.
Inspect and re-tighten holders securely.
Inspect and replace attachment
as required.
Tighten gearcase securely.
Bent main shaft/worn or damaged
bushings.
Shaft not installed in powerhead or
gearcase.
Broken shaft.
Damaged gearcase.
Inspect and replace as necessary.
Inspect and reinstall as required.
Consult with a authorized
servicing dealer.
Troubleshooting Guide (continued)
What To Check Possible Cause Remedy
Valve cover is leaking. Consult with an authorized
servicing dealer.
Top of engine is getting
dirty and oily.
Idle set too high. Adjust idle. Check Specifications page for
correct idle speed.
Engine will not
idle down.
Engine has an air leak. Consult with an authorized servicing dealer.