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Spark Plugs
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).
Air Cleaner
NOTE: Operating engine with loose or
damaged air cleaner components
could cause premature wear and
failure. Replace all bent or damaged
components.
NOTE: Paper element cannot be blown out
with compressed air.
Loosen knob or unhook latches and remove air
cleaner cover.
Precleaner (if equipped):
1. Remove precleaner.
2. Replace or wash precleaner in warm water
with detergent. Rinse and allow to air dry.
3. Reinstall precleaner into cover, aligning hole
in precleaner with upper cover knob.
Paper Element:
1. Remove paper element from base and
replace.
2. Install element with pleated side out and seat
rubber seal onto edges of base.
Foam Element:
1. Remove foam element from base and
replace.
2. Install element with foam side out and seat
rubber seal onto edges of base.
Reinstall air cleaner cover and secure with
knob or latches.
14 590 42 Rev. --
CAUTION
KohlerEngines.com
Breather Tube
Ensure both ends of breather tube are properly
connected.
Air Cooling
Hot Parts can cause severe
burns.
Do not touch engine while
operating or just after stopping.
Never operate engine with heat shields or
guards removed.
Proper cooling is essential. To prevent over
heating, clean screens, cooling fi ns, and other
external surfaces of engine. Avoid spraying
water at wiring harness or any electrical
components. See Maintenance Schedule.
Repairs/Service Parts
We recommend that you use a Kohler
authorized dealer for all maintenance,
service, and replacement parts for engine.
To fi nd a Kohler authorized dealer visit
KohlerEngines.com or call 1-800-544-2444
(U.S. and Canada).
Storage
If engine will be out of service for 2 months or
more follow procedure below.
1. Add Kohler PRO Series fuel treatment or
equivalent to fuel tank. Run engine 2-3
minutes to get stabilized fuel into fuel system
(failures due to untreated fuel are not
warrantable).
2. Change oil while engine is still warm from
operation. Remove spark plug(s) and pour
about 1 oz. of engine oil into cylinder(s).
Replace spark plug(s) and crank engine
slowly to distribute oil.
3. Disconnect negative (-) battery cable.
4. Store engine in a clean, dry place.
WARNING
EN
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