10
Carburetor Adjustments and
Troubleshooting
The carburetor is designed to deliver the correct
fuel-to-air mixture to the engine under all operating
conditions. It has been calibrated at the factory and
is not adjustable.
NOTE: To ensure correct engine operation at
ȱȱŗśŘśȱȱǻśŖŖŖȱĞǯǼǰȱȱ¢ȱ
be necessary to have a Kohler Engine Service
ȱȱȱȱȬȱȱȱȱ
the carburetor.
ȱ ȱȱȬȱȱȱȱǰȱȱ
engine must be reconverted to the original jet
size before it is operated at lower altitudes, or
overheating and engine damage may result.
Storage
If the engine will be out of service for two months or
more, follow the storage procedure below:
ȱ ŗǯȱ ȱȱ¡ȱȱȱȱǯ
ȱ Řǯȱ Change the oil while the engine is still warm from
ǯȱȱȱȱȱȱŞǯ
ȱ řǯȱ ȱȱȱȱȱȱȱȱȱȱ
completely emptied, or the gasoline must be
treated with a stabilizer to prevent deterioration.
If you choose to use a stabilizer, follow the
manufacturer's recommendations. Fill the fuel
ȱȱǰȱȱǰȱȱȱȱ
ȱȱŘȬřȱȱȱȱ£ȱȱȱ
the carburetor.
Possible Cause No Improper Dirt In Dirty Incorrect Engine Dirty Air Faulty
Problem Fuel Fuel Fuel Line Grass Screen Oil Level Overloaded Cleaner Spark Plug
Will Not Start ••• ••••
Hard Starting ••• ••••
Stops Suddenly • •••••
Lacks Power •••••••
Operates Erratically ••• • ••
Knocks or Pings •• • •
6NLSVRU0LV¿UHV ••• ••
%DFN¿UHV ••••
Overheats •••••
High Fuel Consumption •••
Troubleshooting
ȱȱǰȱȱȱȱȱȱȱȱǰȱȱęǰȱ¢ȱȱȱȱȱȱǯȱȱ
ȱ¡ǰȱȱȱȱȱȱȱ¢ȱȱ¢ȱȱǯȱȱȱȱȱȱȱ
are listed in the table below.
ȱȱĴȱȱȱȱȱȱȱǰȱȱ¢ȱȱȱȱȱȱȱ
ȱǯȱȱȱȱȱ¢ȱȱȱȱȱǯ
If engine troubles appear to be fuel system related,
ȱȱȱȱȱȱȱȱȱ
Kohler Engine Service Dealer.
ȱ Ȋȱ ȱȱȱȱȱȱęȱȱǰȱȱ
gasoline.
ȱ Ȋȱ ȱȱȱȱȱȱȱȱȱ
fastened securely.
ȱ Ȋȱ ȱȱȱȱȱȱȱȱȱȱ
and that it is operating properly.
ȱ Ȋȱ ȱȱȱȬȱȱęǰȱȱǰȱȱ
clean and unobstructed. Replace if necessary.
ǰȱĞȱȱȱȱȱǰȱȱȱȱ
hard to start, runs roughly, or stalls at low-idle speed,
it may be necessary to have the carburetor serviced by
a Kohler Engine Service Dealer.
ȱ Śǯȱ ȱȱȱǯȱȱȱȱȱ
ȱȱȱȱȱȱǯȱȱȱ
ǰȱȱȱȱȱȱȱǯȱȱȱ
engine two or three revolutions.
ȱ śǯȱ ȱȱȱǯȱȱȱȱȱ
hole with your thumb and turn the engine over
ȱȱȱȱȱȱȱȱȱȱǻȱ
ȱȱȱȱǼǯȱȱȱȱ
plug, but do not connect the plug lead.
6. Store the engine in a clean, dry place. Never store
ȱȱȱȱȱȱȱĚǰȱǰȱ
or pilot light such as on a water heater or other
appliances.
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