9. Reinstall carburetor cover panel securing
with hardware removed in step 1.
Spark Plugs
Electrical Shock can cause injury.
Do not touch wires while engine
is running.
Never operate pump in rain or snow.
Never touch pump with wet hands or
electrical shock will occur.
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).
Cleaning Pump
1. Clean pump, especially air inlets and outlets
of engine with a cloth and a brush.
2. Check general condition of pump and
replace defective parts.
Air Cleaner
NOTE: Running engine with cover (N)
positioned for cold weather operation
in normal conditions can damage
engine.
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 (Q) cannot be blown
out with compressed air.
Move bails (O) on air cleaner cover (N) down;
remove latches from under tabs on base (R);
remove cover (N).
Precleaner:
1. Remove precleaner (P) from paper element
(Q).
2. Replace or wash precleaner (P) in warm
water with detergent. Rinse and allow to air
dry.
3. Lightly oil precleaner (P) with new engine oil;
squeeze out excess oil.
4. Reinstall precleaner (P) over paper element
(Q).
Paper Element:
1. Separate precleaner (P) from element (Q);
service precleaner (P) and replace paper
element (Q).
8
CAUTION
KohlerPower.com
2. Install new paper element (Q) on base (R);
install precleaner (P) over paper element (Q).
Position air cleaner cover (N) for normal
operation (sun decal out) or cold weather
operation (snowfl ake decal out); place latches
under tabs on base (R); lift up bails (O) to
secure cover (N).
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 pump with heat shields or
guards removed. Do not modify pump.
Place pump in a place where pedestrians or
children are not likely to touch pump.
Be sure to carry pump only by its carrying
handles.
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 portable
dealer for all maintenance, service, and
replacement parts for engine. To fi nd a Kohler
portable dealer visit KohlerPower.com or call
1-800-544-2444 (U.S. and Canada).
Transporting Pump
Before transporting pump, check that bolts
are correctly tightened, close fuel valve. Pump
should be transported in its normal operating
position; never lay it on its side. Ensure where
pump is to be stored or used is carefully
prepared beforehand.
Storage
If pump is not used for a long period of time,
storage operations should be carried out as per
instructions below.
NOTE: Never operate pump without fi lling
pump body with water and immersing
suction strainer (S) in water
beforehand.
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).
WARNING
35 590 01 Rev. B