6
14 590 49 Rev. --
KohlerEngines.com
Change Oil and Filter
Change oil while engine is warm.
1. Clean area around oil fi ll cap/dipstick and
drain plug. Remove drain plug and oil fi ll cap/
dipstick; drain oil into appropriate container.
2. Clean area around oil fi lter. Remove clean oil
change screw; then slowly remove fi lter; wipe
off mounting surface.
3. Apply thread sealant around three full
threads of drain plug; reinstall drain plug.
Torque to 120 in. lb. (13.6 N·m).
4. Reinstall clean oil change screw. Torque to
130 in. lb. (14.7 N·m).
5. Apply a thin fi lm of clean oil to rubber gasket
on new fi lter.
6. Refer to instructions on oil fi lter for proper
installation.
7. Fill crankcase with new oil. Level should be
at top of indicator on dipstick.
8. Reinstall oil fi ll cap/dipstick and tighten
securely.
9. Start engine; check for oil leaks. Stop engine;
correct leaks. Recheck oil level.
10. Dispose of used oil and fi lter in accordance
with local ordinances.
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; eff ects 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 overfi ll fuel tank.
● Do not use gasoline older than 30 days.
Add Fuel
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.
Ensure engine is cool.
1. Clean area around fuel cap.
2. Remove fuel cap. Fill to base of fi ller neck.
Do not overfi ll fuel tank. Leave room for fuel
to expand.
3. Reinstall fuel cap and tighten securely.
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 specifi cation table for adjustment.
2. Install plug into cylinder head.
3. Torque plug to 20 ft. lb. (27 N·m).
