Troubleshooting Guide (continued)

LOW POWER OUTPUT

What To Check

Possible Cause

 

 

Operator is overworking the unit.

Is the engine overheating?

 

 

Carburetor mixture is too lean.

 

 

 

 

 

Improper fuel ratio.

Fallen leaves or debris on intake cover.

Fan, fan cover, cylinder fi ns dirty or damaged.

Carbon deposits on the piston or in the muffl er.

Remedy

Use a lower throttle setting.

Consult with an authorized Shindaiwa servicing dealer.

Refi ll 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 classifi ed oils at 50:1 gasoline/oil ratio.

Clean the intake cover.

Clean, repair or replace as necessary.

Consult with an authorized Shindaiwa servicing dealer.

Engine is rough at all speeds. May also have black smoke and/or unburned fuel at the exhaust.

Clogged air cleaner element. Loose or damaged spark plug.

Air leakage or clogged fuel line.

Water in the fuel.

Piston seizure.

Faulty carburetor and/or diaphragm.

Service the air cleaner element.

Tighten or replace the spark plug.

Check the Specifications section for the correct plug and gap for your unit.

Repair or replace fuel fi lter and/or fuel line.

Refi ll 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 classifi ed oils at 50:1 gasoline/oil ratio.

Consult with an authorized Shindaiwa servicing dealer.

 

 

 

Overheating condition.

 

Consult with an authorized Shindaiwa

 

 

 

 

Engine is knocking.

 

 

 

 

servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper fuel.

 

Refi ll 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

 

 

 

 

 

classifi ed oils at 50:1 gasoline/oil ratio.

 

 

 

Carbon deposits in the

 

Consult with an authorized Shindaiwa

 

 

 

 

 

 

 

combustion chamber.

 

servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

20