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24 590 44 Rev. A
KohlerEngines.com
Fuel Recommendations
WARNING
Explosive Fuel can cause
fi
res
and severe burns.
Do not
fi
ll fuel tank while engine is
hot or running.
Gasoline is extremely
fl
ammable and
its vapors can explode if ignited. Store
gasoline only in approved containers, in
well ventilated, unoccupied buildings, away
from sparks or
fl
ames. Spilled fuel could
ignite if it comes in contact with hot parts or
sparks from ignition. Never use gasoline as a
cleaning agent.
NOTE: E15, E20 and E85 are NOT approved
and should NOT be used; effects of
old, stale or contaminated fuel are not
warrantable.
Fuel must meet these requirements:
●
Clean, fresh, unleaded gasoline.
●
Octane rating of 87 (R+M)/2 or higher.
●
Research Octane Number (RON) 90 octane
minimum.
●
Gasoline up to 10% ethyl alcohol, 90%
unleaded is acceptable.
●
Methyl Tertiary Butyl Ether (MTBE) and
unleaded gasoline blend (max 15% MTBE by
volume) are approved.
●
Do not add oil to gasoline.
●
Do not over
fi
ll fuel tank.
●
Do not use gasoline older than 30 days.
Fuel Line
Low permeation fuel line must be installed on
carbureted Kohler Co. engines to maintain EPA
and CARB regulatory compliance.
Spark Plugs
CAUTION
Electrical Shock can cause injury.
Do not touch wires while engine
is running.
Clean out spark plug recess. Remove plug and
replace.
1. Check gap using wire feeler gauge. Adjust
gap, see speci
fi
cation table for adjustment.
2. Install plug into cylinder head.
3. Torque plug to 20 ft. lb. (27 N·m).
Change Oil and Filter
Change oil while engine is warm.
1. Clean area around oil
fi
ll cap/dipstick, drain
plug/oil drain valve.
a. Remove drain plug and oil
fi
ll cap/
dipstick. Allow oil to drain completely.
or
b. Open oil drain valve cap; if needed,
attach a length of 1/2 in. I.D. hose to
direct oil into appropriate container; twist
valve drain body counterclockwise and
pull. Remove dipstick. Allow oil to drain
completely.
2. Clean area around oil
fi
lter. Place a container
under
fi
lter to catch any oil and remove
fi
lter.
Wipe off mounting surface.
a. Reinstall drain plug. Torque to 10 ft. lb.
(13.6 N·m).
or
b. Close oil drain valve body, remove hose
(if used), and replace cap.
3. Place new
fi
lter in shallow pan with open end
up. Fill with new oil until oil reaches bottom
of threads. Allow 2 minutes for oil to be
absorbed by
fi
lter material.
4. Apply a thin
fi
lm of clean oil to rubber gasket
on new
fi
lter.
5. Refer to instructions on oil
fi
lter for proper
installation.
6. Fill crankcase with new oil. Level should be
at top of indicator on dipstick.
7. Reinstall oil
fi
ll cap/dipstick and tighten
securely.
8. Start engine; check for oil leaks. Stop engine;
correct leaks. Recheck oil level.
9. Dispose of used oil and
fi
lter in accordance
with local ordinances.
Oil Sentry
™
(if equipped)
This switch is designed to prevent engine
from starting in a low oil or no oil condition. Oil
Sentry
™
may not shut down a running engine
before damage occurs. In some applications
this switch may activate a warning signal. Read
your equipment manuals for more information.
