Troubleshooting
When problems occur, first check for simple reasons for a problem: for example, an empty fuel tank or the fuel
shut-off valve is turned off. Additional troubleshooting tips can be found in the troubleshooting table.
NOTE:
Do not attempt to service or replace major engine components, or any items that require special timing
or adjustment procedures. This work should be performed by a Kohler Engine Service Center.
Problem
No
Fuel
Will Not Start
Hard Starting
Stops
Suddenly
Lacks Power
Operates
Erratically
Knocks or
Pings
Skips or
Misfires
Backfires
Overheats
High Fuel
Consumption
Smokes
Storage
1
6
See Figures
and
If the engine will be out of service for two months or
more, follow these storage procedures:
1.
Clean the exterior surfaces of the engine.
2.
Change the oil while the engine is still warm from
operation. (Refer to
3.
The engine must be run until the fuel tank is
completely emptied, or the gasoline must be
treated with a stabilizer to prevent deterioration.
If a stabilizer is used, follow the manufacturer's
instructions. Fill the tank with fresh gasoline
and run the engine for 2–3 minutes to ensure
stabilized fuel has entered the carburetor.
To empty the system, run the engine until the
tank and system are empty.
4.
Before transporting the engine, ensure the fuel
valve (A) is in the OFF position to prevent fuel
spillage. See Figure
5.
Remove the spark plug (D). Add one tablespoon
of engine oil into the spark plug hole. Reinstall
the plug, but do not connect the plug lead.
Turn the crank to rotate the engine two to three
revolutions. See Figure
14
Fuel
Improper
Dirt In
Valve
Fuel
Fuel Line
Closed/
Off
)
Change Oil.
.
6
.
1
Possible Cause
Dirty
Incorrect
Debris
Oil
Screen
Level
6.
Remove the spark plug (D). Cover the spark plug
hole with your thumb and turn the engine over
until the piston is at the top of its stroke (pressure
against the thumb is greatest). Reinstall the spark
plug, but do not connect the spark plug lead. See
Figure
.
1
7.
Store the engine on a level surface in a clean, dry
place. Never store the unit where there is an open
flame, spark, or pilot light such as on a water
heater or other appliances.
Transport
1.
Turn the fuel valve to the OFF position.
2.
Tighten the fuel cap.
3.
Read and follow the transport guidelines
provided by equipment manufacturer.
Engine
Dirty Air
Overloaded
Cleaner
Faulty
Spark
Plug
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