2. Change oil while engine is still warm from
operation. Remove spark plug and pour
about 1 oz. of engine oil into cylinder.
Replace spark plug and crank engine slowly
to distribute oil.
3. Using clean water rinse pump and pipes
thoroughly.
4. Clean outside of pump and apply a rust-
prevention product to any worn or damaged
areas.
5. Cover pump with a protective cover to
protect it against dust and store it in a clean
and dry place.
Troubleshooting
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 portable dealer.
Possible Cause
Air cleaner blocked
Fuel level too low
Blocked fuel fi lter
Fuel supply blocked or leaking
Level of liquid being pumped is too
low
Water level too low in pump body
Intake is blocked
Half-couplings not making an airtight
connection
Inadequate tightening of pump drain
plug
Air in suction circuit
Engine speed control lever set to
MIN position
Pipe too long or bent
Suction side is too high up
Pipes leaking
Clogging-up of impeller
Wearing of impeller
Damage to mechanical seal
Loss of engine power
35 590 01 Rev. B
Engine Not
Engine
Starting
Stopped
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KohlerPower.com
Problem
Automatic
Priming Fault
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EN
Low Flow
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