Service Manual

Engine Starves On Acceleration

Plugged fuel filter Replace fuel filter

Improperly adjusted carburetor Adjust carburetor about 1/8 turn

Engine Is Hard To Start

Fouled, improperly gapped, or broken spark plug Clean or replace spark plug; set gap to

0.025 inch (0.635 mm)

Plugged or waterlogged fuel filter Replace fuel filter

Improperly adjusted carburetor Adjust carburetor

Clogged muffler Clean or replace muffler

Faulty primer or primer/fuel lines improperly installed Correctly install primer/fuel lines or

replace primer

Incorrect air gap between flywheel and ignition module Set ignition module air gap to

0.010-0.015 in. (0.254-0.381 mm)

Faulty ignition module Replace ignition module

Worn or improperly adjusted carburetor jet needle Adjust or replace needle

Faulty carburetor diaphragm Replace carburetor diaphragm

Faulty fuel pump diaphragm Replace fuel pump diaphragm

Faulty reed valve Replace reed valve

Low compression Replace piston ring or cylinder gasket

Possible Cause Remedy

TROUBLESHOOTING

2-4