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EFI Engines: A special, high volume, high pressure
filter with greater filtration capabilities and internal
surface area is used. See Figure 24.
NOTE: Do not clean the spark plug in a machine
using abrasive grit. Some grit could
remain in the spark plug and enter the
engine, causing extensive wear and
damage.
3. Check the gap using a wire feeler gauge. Adjust
the gap to 0.76 mm (0.030 in.) by carefully
bending the ground electrode. See Figure 23.
4. Reinstall the spark plug into the cylinder head.
Torque the spark plug to 24.4-29.8 N·m
(18-22 ft. lb.).
Figure 23. Servicing Spark Plug.
Battery Charging
WARNING: Explosive Gas!
Batteries produce explosive hydrogen gas while being charged.
To prevent a fire or explosion, charge batteries only in well
ventilated areas. Keep sparks, open flames, and other sources of
ignition away from the battery at all times. Keep batteries out of
the reach of children. Remove all jewelry when servicing
batteries.
Before disconnecting the negative (-) ground cable, make sure
all switches are OFF. If ON, a spark will occur at the ground
cable terminal which could cause an explosion if hydrogen gas
or gasoline vapors are present.
NOTE: Do not apply 12 volt DC to kill terminal of
ignition module.
Fuel Filter
Carbureted Engines: Most engines are equipped with
an in-line fuel filter. Periodically inspect the filter and
replace every 200 operating hours. Use a genuine Kohler
filter, Part No. 24 050 10-S.
Wire Gauge
Ground
Electrode
Spark Plug
0.76 mm
(0.030 in.) Gap
Figure 24. EFI Fuel Filter and Line.
Replacement is recommended every 1500 hours, or
more frequently under extremely dusty or dirty
conditions. When replacement is necessary, always
use genuine Kohler parts.
Fuel Line
Carbureted Engines: In compliance with CARB Tier III
Emission Regulations, carbureted engines with a
Family identification number beginning with “6” or
greater (see Figure 25), must use Low Permeation SAE
30 R7 rated fuel line; certified to meet CARB
requirements. Standard fuel line may not be used.
Order replacement hose by part number through a
Kohler Engine Service Dealer.
Fuel Filter
Fuel Line
KOHLER CO. KOHLER, WISCONSIN USA
EMISSION COMPLIANCE PERIOD:
EPA: CARB:
CERTIFIED ON:
REFER TO OWNER'S MANUAL FOR HP RATING,
SAFETY, MAINTENANCE AND ADJUSTMENTS
1-800-544-2444 www.kohlerengines.com
FAMILY 6 KHXS.7252 XX
TYPE APP
DISPL. (CC)
MODEL NO.
SPEC. NO.
SERIAL NO.
BUILD DATE
OEM PROD. NO.
IMPORTANT ENGINE INFORMATION
THIS ENGINE MEETS U.S. EPA AND CA 2005 AND
LATER AND EC STAGE II (SN:4) EMISSION REGS
FOR SI SMALL OFF–ROAD ENGINES
N11236
Figure 25. Family Number Location.
EFI Engines: A special fuel line, capable of
withstanding the high pressure of the EFI fuel system,
is used (must meet SAE R9 specifications). See Figure
24. If fuel line must be replaced, see your Kohler
Engine Service Dealer.