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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. Check the fuel line, carburetor
and fuel filter.
Fuel line or carburetor clogged................................ Clean the fuel line and carburetor with a commercial
carburetor cleaner.
Fuel filter plugged.................................................... Replace.
Water in gasoline..................................................... Drain the fuel tank and carburetor. Use new fuel and dry the
spark plugs.
Choked improperly. Flooded engine ....................... Follow the starting instructions.
Defective ignition or loose wiring............................. Check the wiring, spark plugs or fuse.
Defective battery ..................................................... Check and service. Refer to “BATTERY.”
Spark plug dirty or improper gap............................. Clean, adjust the gap to .030-inch or replace the plug.
ENGINE OPERATES IRREGULARLY OR KNOCKS
Engine incorrectly timed.......................................... *
Spark plug dirty; wrong gap or wrong type.............. Clean, reset the gap or replace.
Poor or weak spark ................................................. Check the spark plugs and wiring.
Carburetor setting incorrect..................................... Adjust. Refer to “ADJUSTMENTS.”
Poor grade fuel or water in fuel ............................... Drain and use a good grade of clean fuel.
Engine overheating ................................................. Refer to “MAINTENANCE.”
Engine valves at fault .............................................. *
Engine smokes........................................................ Adjust the carburetor.*
Oil level rises due to gasoline in crankcase ............ *
Air filter becomes oil and fuel soaked...................... *
Engine leaks oil ....................................................... *
Misfiring................................................................... *
Other engine problems............................................ *
Excessive oil in air cleaner...................................... Be sure that oil dipstick is fully seated and all excess oil is
squeezed out of the pre-cleaner foam element.
PTO CLUTCH WILL NOT ENGAGE
Low or zero voltage................................................. Check battery. Charge or replace. Check charging system.
Check for worn or broken wiring or connections. Check
clutch coil resistance. Check switch.
Rotor/armature air gap too large ............................. Rotor/armature worn. Replace PTO clutch.
* See your authorized dealer.