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TROUBLE SHOOTING
POSSIBLE CAUSE
POSSIBLE REMEDY
HARD TO START
No gasoline in fuel tank or carburetor.
Fill the tank with gasoline; open the fuel shut-off valve.
Check the fuel line and carburetor.
Fuel line or carburetor clogged.
Clean the fuel line and carburetor with commercial car¬
buretor cleaner.
Water in gasoline.
Drain the fuel tank and carburetor. Use new fuel and dry the
spark plug.
Choked improperly. Flooded engine.
Follow the starting instructions.
Defective ignition or loose wiring .
Check the wiring, spark plug, or fuse.
Defective battery .
Check and service. Refer to "BATTERY"
Spark plug dirty or improper gap .
Clean, adjust the gap to .025-inch or replace the plug.
ENGINE OPERATES IRREGULARLY OR KNOCKS
Engine incorrectly timed.
Spark plug dirty; wrong gap or wrong type .
Poor or weak spark...
Carburetor setting incorrect.
Poor grade fuel or water in fuel.
Engine overheating .
Engine valves at fault.
Engine smokes .
Oil level will rise due to gasoline in crankcase.
Air filter will become oil and fuel soaked.
Engine leaks oil.
Misfiring.
Other engine problems.
Excessive oil in air cleaner.
Clean, reset the gap, or replace.
Check the spark plug, and wiring.*
Adjust. Refer to "ADJUSTMENTS".*
Drain and use a good grade of clean fuel.
Refer to "MAINTENANCE."
*
Adjust the carburetor.*
Refer to "OPERATING IN COLD WEATHER."
Refer to "OPERATING IN COLD WEATHER."
Refer to "OPERATING IN COLD WEATHER.'
Refer to "OPERATING IN COLD WEATHER "
*
Be sure that oil dipstick is fully seated and all excess oil is
squeezed out of pre-cleaner foam element.
Air cleaner clogged
LACK OF POWER
Service the air cleaner element. Refer to "MAINTE¬
NANCE."
Engine overload . .
Engine overheated
Poor fuel, too rich, or too lean a mixture
Fuel tank air vent clogged.
Air leakage between carburetor and engine .
Reduce the load.
Make sure air intake screen, shrouding, engine fins, and
grille are free of accumulated dirt and trash. Refer to
"MAINTENANCE."
Refer to "ADJUSTMENTS."
Open the vent in the cap.
Remove air cleaner. Tighten the carburetor and manifold
mounting nuts. Replace as indicated in "MAINTENANCE.
'See your authorized dealer.
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