Shindaiwa X7502891100 Symptom, Poor acceleration, Engine stops abruptly, Possible Cause, Remedy

Troubleshooting Guide (continued)

	addiTiOnaL PROBLEMS
Symptom	Possible Cause	Remedy

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 Shindaiwa servicing dealer.

Adjust idle. Check Specifications page for correct idle speed.

Engine stops abruptly.	Ignition switch turned off.	Reset the switch and re-start.
	Fuel tank empty.	Refill with fresh, clean unleaded gasoline with a pump octane
		of 89 or higher mixed with an air cooled engine oil that
	Water in the fuel.	meets or exceeds ISO-L-EGD and/or JASO FD classified oils
		at 50:1 gasoline/oil ratio.
	Clogged fuel filter.	Replace fuel filter.
	Shorted spark plug or loose terminal.	Clean or replace spark plug. Check the Specifications section
		for the correct plug and gap for your unit. Tighten
		the terminal.
	Ignition failure.	Replace the ignition unit.
	Piston seizure.	Consult with an authorized Shindaiwa
		servicing dealer.
	Ground (stop) wire is disconnected,	Test and replace as required.
Engine difficult to shut off.
	or switch is defective.
	Overheating due to incorrect spark plug.	Replace the spark plug. Check the Specifications section for
		the correct plug and gap for your unit. Restart.
	Overheated engine.	Idle engine until cool.

Top of engine is getting dirty and oily.

Valve cover is leaking.

Consult with an authorized Shindaiwa servicing dealer.

	Idle set too high.	Adjust idle. Check Specifications page for correct
Engine will not idle
		idle speed.
down.	Engine has an air leak.	Consult with an authorized Shindaiwa servicing
		dealer.
	Engine idle too high.	Adjust idle. Check Specifications page for correct idle
Attachment moves at		speed.
	Broken clutch spring or worn clutch	Replace spring/shoes as required, check idle speed.
engine idle.
	spring boss.

Excessive vibration.

Loose attachment holder.

Warped or damaged attachment.

Loose gearcase.

Bent main shaft/worn or damaged bushings.

Inspect and re-tighten holders securely.

Inspect and replace attachment as required.

Tighten gearcase securely. Inspect and replace as necessary.

Attachment will not move.

Shaft not installed in powerhead or gearcase. Broken shaft.

Damaged gearcase.

Inspect and reinstall as required.

Consult with an authorized Shindaiwa servicing dealer.

20