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ADDITIONAL PROBLEMS
Poor acceleration.
Clogged air filter.
Clogged fuel filter.
Lean fuel/air mixture.
Idle speed set too low.
Ignition switch turned off.
Fuel tank empty.
Water in the fuel.
Clogged fuel filter.
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.
Overheated engine.
Clean the air filter.
Replace the fuel filter.
Consult with an authorized Shindaiwa
servicing dealer.
Adjust idle. Check Specifications page for correct idle speed.
Reset the switch and re-start.
Refill with fresh, clean unleaded gasoline with a pump octane
of 89 or higher mixed with an air cooled engine oil that
meets or exceeds ISO-L-EGD and/or JASO FD classified oils
at 50:1 gasoline/oil ratio.
Replace fuel filter.
Clean or replace spark plug. Check the Specifications section
for the correct plug and gap for your unit. Tighten
the terminal.
Replace the ignition unit.
Consult with an authorized Shindaiwa
servicing dealer.
Test and replace as required.
Replace the spark plug. Check the Specifications section for
the correct plug and gap for your unit. Restart.
Idle engine until cool.
Symptom
Possible Cause Remedy
Engine stops abruptly.
Engine difficult to shut off.
Troubleshooting Guide (continued)
Valve cover is leaking.
Consult with an authorized Shindaiwa
servicing dealer.
Top of engine is getting
dirty and oily.
Engine idle too high.
Broken clutch spring or worn clutch
spring boss.
Loose attachment holder.
Warped or damaged attachment.
Loose gearcase.
Cutting attachment
moves at engine idle.
Excessive vibration.
Cutting attachment will not
move.
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.
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 Shindaiwa servicing
dealer.
Consult with an authorized Shindaiwa servicing
dealer.