command - Fire End
OWNER'S MANUAL
COMMAND
CH18-26, CH730-750
HORIZONTAL CRANKSHAFT
Safety Precautions
To ensure safe operations please read the following statements and understand their meaning.
Also refer to your equipment owner's manual for other important safety information. This manual
contains safety precautions which are explained below. Please read carefully.
WARNING
Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or
substantial property damage if the warning is ignored.
CAUTION
Caution is used to indicate the presence of a hazard that will or can cause minor personal injury or
property damage if the caution is ignored.
NOTE
Note is used to notify people of installation, operation, or maintenance information that is
important but not hazard-related.
For Your Safety!
These precautions should be followed at all times. Failure to follow these precautions could result in injury
to yourself and others.
WARNING
WARNING
Explosive Fuel can cause fires and
severe burns.
Rotating Parts can cause severe
injury.
Do not fill the fuel tank while the
engine is hot or running.
Stay away while engine is in
operation.
Explosive Fuel!
Gasoline is extremely flammable and its
vapors can explode if ignited. Store
gasoline only in approved containers,
in well ventilated, unoccupied
buildings, away from sparks or flames.
Do not fill the fuel tank while the
engine is hot or running, since spilled
fuel could ignite if it comes in contact
with hot parts or sparks from ignition.
Do not start the engine near spilled
fuel. Never use gasoline as a cleaning
agent.
Rotating Parts!
Keep hands, feet, hair, and clothing
away from all moving parts to prevent
injury. Never operate the engine with
covers, shrouds, or guards removed.
Hot Parts can cause severe burns.
Do not touch engine while operating
or just after stopping.
Hot Parts!
Engine components can get extremely
hot from operation. To prevent severe
burns, do not touch these areas while
the engine is running, or immediately
after it is turned off. Never operate the
engine with heat shields or guards
removed.
CAUTION
California
Proposition 65 Warning
Electrical Shock can cause injury.
Do not touch wires while engine is
running.
Electrical Shock!
Never touch electrical wires or
components while the engine is
running. They can be sources of
electrical shock.
2
WARNING
Engine exhaust from this product
contains chemicals known to the
State of California to cause cancer,
birth defects, or other reproductive
harm.
Safety Precautions (Cont.)
WARNING
WARNING
Accidental Starts can cause severe
injury or death.
Carbon Monoxide can cause severe
nausea, fainting or death.
Disconnect and ground spark plug
leads before servicing.
Avoid inhaling exhaust fumes, and
never run the engine in a closed
building or confined area.
Accidental Starts!
Disabling engine. Accidental
starting can cause severe injury or
death. Before working on the engine or
equipment, disable the engine as
follows: 1) Disconnect the spark plug
lead(s). 2) Disconnect negative (-)
battery cable from battery.
Lethal Exhaust Gases!
Engine exhaust gases contain
poisonous carbon monoxide. Carbon
monoxide is odorless, colorless, and can
cause death if inhaled. Avoid inhaling
exhaust fumes, and never run the
engine in a closed building or confined
area.
WARNING
Explosive Gas can cause fires and
severe acid burns.
Charge battery only in a well
ventilated area. Keep sources of
ignition away.
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.
Congratulations – You have selected a fine four-cycle, twin cylinder, air-cooled engine. Kohler designs long life
strength and on-the-job durability into each engine...making a Kohler engine dependable...dependability you
can count on. Here are some reasons why:
• Efficient overhead valve design and full pressure lubrication provide maximum power, torque, and
reliability under all operating conditions.
• Dependable, maintenance-free electronic ignition ensures fast, easy starts time after time.
• Kohler engines are easy to service. All routine service areas like the dipstick, oil fill, air cleaner, and spark
plugs are easily and quickly accessible.
• Parts subject to the most wear and tear (like the cylinder liner* and camshaft) are made from precision
formulated cast iron. Because the cylinder liner* can be rebored, these engines can last even longer.
*Some CH25/26 engines have POWER-BORE™ Cylinders. These cylinders are plated with nickel-silicon to
give increased power, virtually permanent cylinder life, superior oil control, and reduced exhaust
emissions. These cylinders cannot be rebored.
• Every Kohler engine is backed by a worldwide network of over 10,000 distributors and dealers. Service
support is just a phone call away. Call 1-800-544-2444 (U.S. & Canada) for Sales & Service assistance.
To keep your engine in top operating condition, follow the maintenance procedures in this manual.
3
Oil Fill
Air Cleaner
Dipstick
Fuel Pump
Oil Filter
Electric Starter
Oil Drain Plug
(Each Side)
Rectifier-Regulator
Figure 1. Typical Command Horizontal Shaft Carbureted Engine.
Throttle Body Intake Manifold
Ignition Coil
Fuel Injectors
Ignition Coil
Oil Filter
Oil Cooler
Rectifier-Regulator
Figure 2. Typical Command Horizontal Shaft EFI Engine.
4
Oil Recommendations
Using the proper type and weight of oil in the
crankcase is extremely important. So is checking oil
daily and changing oil regularly. Failure to use the
correct oil, or using dirty oil, causes premature engine
wear and failure.
Oil Type
Use high quality detergent oil of API (American
Petroleum Institute) service class SG, SH, SJ, or
higher. Select the viscosity based on the air
temperature at the time of operation as shown in the
following table.
**
Refer to Maintenance Instructions beginning on
page 8 for detailed oil check, oil change, and oil filter
change procedures.
Fuel Recommendations
WARNING: Explosive Fuel!
Gasoline is extremely flammable and its vapors can explode
if ignited. Store gasoline only in approved containers, in
well ventilated, unoccupied buildings, away from sparks or
flames. Do not fill the fuel tank while the engine is hot or
running, since spilled fuel could ignite if it comes in contact
with hot parts or sparks from ignition. Do not start the
engine near spilled fuel. Never use gasoline as a cleaning
agent.
General Recommendations
*
*Use of synthetic oil having 5W-20 or 5W-30 rating is
acceptable, up to 4°C (40°F).
**Synthetic oils will provide better starting in extreme
cold below -23°C (-10°F).
Purchase gasoline in small quantities and store in
clean, approved containers. A container with a
capacity of 2 gallons or less with a pouring spout is
recommended. Such a container is easier to handle and
helps eliminate spillage during refueling.
Do not use gasoline left over from the previous season,
to minimize gum deposits in fuel system and to ensure
easy starting.
Do not add oil to the gasoline.
Figure 3. Viscosity Grades Table.
NOTE: Using other than service class SG, SH, SJ or
higher oil or extending oil change intervals
longer than recommended can cause engine
damage.
NOTE: Synthetic oils meeting the listed
classifications may be used with oil changes
performed at the recommended intervals.
However to allow piston rings to properly
seat, a new or rebuilt engine should be
operated for at least 50 hours using standard
petroleum based oil before switching to
synthetic oil.
A logo or symbol on oil containers identifies the API
service class and SAE viscosity grade. See Figure 4.
Figure 4. Oil Container Logo.
Do not overfill the fuel tank. Leave room for the fuel to
expand.
Fuel Type
For best results use only clean, fresh, unleaded
gasoline with a pump sticker octane rating of 87 or
higher. In countries using the Research method, it
should be 90 octane minimum.
Unleaded gasoline is recommended as it leaves less
combustion chamber deposits and reduces harmful
exhaust emissions. Leaded gasoline is not
recommended and must not be used on EFI engines,
or on other models where exhaust emissions are
regulated.
Gasoline/Alcohol blends
Gasohol (up to 10% ethyl alcohol, 90% unleaded
gasoline by volume) is approved as a fuel for Kohler
engines. Other gasoline/alcohol blends including E20
and E85 are not to be used and not approved. Any
failures resulting from use of these fuels will not be
warranted.
Gasoline/Ether blends
Methyl Tertiary Butyl Ether (MTBE) and unleaded
gasoline blends (up to a maximum of 15% MTBE by
volume) are approved as a fuel for Kohler engines.
Other gasoline/ether blends are not approved.
5
Engine Identification Numbers
When ordering parts, or in any communication
involving an engine, always give the Model,
Specification, and Serial Numbers of the engine.
The engine identification numbers appear on a decal
affixed to the engine shrouding. Include letter suffixes,
if there are any.
Record your engine identification numbers on the
identification label below (Figure 5) for future
reference.
The Emission Compliance Period referred to on the
Emission Control or Air Index label indicates the
number of operating hours for which the engine has
been shown to meet Federal and CARB emission
requirements. The following table provides the Engine
Compliance Period (in hours) associated with the
category descriptor found on the certification label.
Emission Compliance Period (Hours)
EPA
CARB
For Models CH18-745
Category C
250 hours
Category B
500 hours
Moderate
125 hours
Intermediate Extended
250 hours
500* hours
Category A
1000 hours
*Extended hours for Model CH750 is 1000.
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
FAMILY
TYPE APP
DISPL. (CC)
MODEL NO.
SPEC. NO.
SERIAL NO.
BUILD DATE
OEM PROD. NO.
Exhaust Emission Control System for models
CH18,20,22,23,730,740,750 is EM. Exhaust Emission
Control System for models CH26 and CH745 are EM,
O2S, ECM, MFI.
N11236
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
KOHLER CO. KOHLER, WISCONSIN USA
For Model CH750
IMPORTANT ENGINE INFORMATION
THIS ENGINE MEETS EMISSION REGS FOR U.S. EPA
2005 AND LATER AND EC STAGE II (SN:4) SI
SMALL OFF-ROAD ENGINES AND CA 2005 AND
LATER LSI ENGINES
FAMILY
TYPE APP
DISPL. (CC)
MODEL NO.
SPEC. NO.
SERIAL NO.
BUILD DATE
OEM PROD. NO.
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
KOHLER CO. KOHLER, WISCONSIN USA
Figure 5. Engine Identification Label.
6
Refer to certification label for engine displacement.
Model Designation
Model CH20S for example: C designates Command
engine, H designates horizontal crankshaft, and 20
designates horsepower. Some model numbers (CH730)
use a numerical designation rather than horsepower. A
letter suffix designates a specific version as follows:
Suffix
S
ST
QS
EP
CS
Designates
Electric Start
Electric Start/Retractable Start
Quiet Model/Electric Start
Electric Plant
Clutch Model/Electric Start
Operating Instructions
Also read the operating instructions of the equipment this engine
powers.
Pre-Start Checklist
• Check oil level. Add oil if low. Do not overfill.
• Check fuel level. Add fuel if low.
• Check cooling air intake areas and external
surfaces of engine. Make sure they are clean and
unobstructed.
• Check that the air cleaner components and all
shrouds, equipment covers, and guards are in
place and securely fastened.
• Check that any clutches or transmissions are
disengaged or placed in neutral. This is especially
important on equipment with hydrostatic drive. The
shift lever must be exactly in neutral to prevent
resistance which could keep the engine from
starting.
WARNING: Lethal Exhaust Gases!
Engine exhaust gases contain poisonous carbon monoxide.
Carbon monoxide is odorless, colorless, and can cause death
if inhaled. Avoid inhaling exhaust fumes, and never run the
engine in a closed building or confined area.
Cold Weather Starting Hints
1. Be sure to use the proper oil for the temperature
expected. See Figure 3 on page 5.
2. Disengage all possible external loads.
3. Be sure the battery is in good condition. A warm
battery has much more starting capacity than a
cold battery.
4. Use fresh winter grade fuel. NOTE: Winter grade
gasoline has higher volatility to improve starting.
Do not use gasoline left over from summer.
Starting
1. Place the throttle control midway between the
slow and fast positions. Place the choke control
(non-EFI engines only) into the on position. See
Figure 6.
c. If the engine fails to start, repeat steps a and
b. If the engine does not start after two
priming intervals, contact your Kohler Engine
Service Dealer for further assistance.
NOTE: Do not crank the engine continuously for
more than 10 seconds at a time. If the
engine does not start, allow a 60 second
cool down period between starting
attempts. Failure to follow these
guidelines can burn out, or permanently
damage, the starter motor.
NOTE: Upon start-up, a metallic ticking may
occur. This is caused by hydraulic lifter
leakdown during storage. Run the
engine for 5 minutes. The noise will
normally cease in the first minute. If
noise continues, run the engine at midthrottle for 20 minutes. If noise persists,
take the engine to your local authorized
Kohler Engine Service Dealer.
NOTE: If the engine develops sufficient speed to
disengage the starter but does not keep
running (a false start), engine rotation
must be allowed to come to a complete
stop before attempting to restart the
engine. If the starter is engaged while the
flywheel is rotating, the starter pinion
and flywheel ring gear may clash
resulting in damage to the starter.
If the starter does not turn the engine over, shut
off starter immediately. Do not make further
attempts to start the engine until the condition is
corrected. Do not jump start using another
battery (refer to Battery on page 8). See your
Kohler Engine Service Dealer for service
assistance.
Figure 6. Optional Engine Mounted Throttle and
Choke Controls (Carbureted Engines).
2. Start the engine by activating the key switch.
Release the switch as soon as the engine starts.
EFI Engines Only – Initial Starting or After
Running out of Fuel (Dry System)
Carbureted Engines Only:
3. For a Cold Engine – Gradually return the choke
control to the off position after the engine starts
and warms up.
The engine/equipment may be operated during
the warm-up period, but it may be necessary to
leave the choke partially on until the engine
warms up.
4. For a Warm Engine – Return choke to off position
as soon as engine starts.
a. Turn the key switch to the on position for
one minute. Allow the fuel pump to cycle and
prime the system. Turn the key switch off.
b. Turn the key switch to the start position,
crank and start engine.
7
Stopping
1. Remove the load by disengaging all PTO driven
attachments.
2. For Carbureted Engines Without A Shutdown
Solenoid: Move the throttle to the slow or low
idle position. Allow the engine to run at idle for
30-60 seconds; then stop the engine.
For Carbureted Engines Equipped With A
Shutdown Solenoid: Position the throttle control
somewhere between half and full throttle; then
stop the engine.
For EFI Engines: Move the throttle to the slow or
idle position; turn key off to stop engine.
Battery
A 12 volt battery is normally used. Refer to the
operating instructions of the equipment this engine
powers for specific battery requirements.
If the battery charge is not sufficient to crank the
engine, recharge the battery (see page 13).
Operating
Angle of Operation
This engine will operate continuously at angles up to
25°. Check oil level to assure crankcase oil level is at
the “F” mark on the dipstick.
Refer to the operating instructions of the equipment
this engine powers. Because of equipment design or
application, there may be more stringent restrictions
regarding the angle of operation.
NOTE: Do not operate this engine continuously at
angles exceeding 25° in any direction. Engine
damage could result from insufficient
lubrication.
8
Cooling
NOTE: If debris builds up on the grass screen or
other cooling air intake areas, stop the engine
immediately and clean. Operating the engine
with blocked or dirty air intake and cooling
areas can cause extensive damage due to
overheating.
WARNING: Hot Parts!
Engine components can get extremely hot from operation. To
prevent severe burns, do not touch these areas while the engine
is running, or immediately after it is turned off. Never operate
the engine with heat shields or guards removed.
Engine Speed
NOTE: Do not tamper with the governor setting to
increase the maximum engine speed.
Overspeed is hazardous and will void the
engine warranty. The maximum allowable
high idle speed for these engines is 3750 RPM,
no load.
Maintenance Instructions
Maintenance, repair, or replacement of the emission
control devices and systems, which are being done at
the customers expense, may be performed by any
non-road engine repair establishment or individual.
Warranty repairs must be performed by an
authorized Kohler service outlet.
WARNING: Accidental Starts!
Disabling engine. Accidental starting can cause severe
injury or death. Before working on the engine or equipment,
disable the engine as follows: 1) Disconnect the spark plug
lead(s). 2) Disconnect negative (-) battery cable from battery.
Maintenance Schedule
These required maintenance procedures should be performed at the frequency stated in the table. They should
also be included as part of any seasonal tune-up.
Frequency
Daily or Before
Starting Engine
Every 25 Hours
Every 100 Hours
Every 200 Hours
Maintenance Required
•
•
•
•
•
•
•
•
•
•
•
•
Fill fuel tank.
Check oil level.
Check air cleaner for dirty1, loose, or damaged parts.
Check air intake and cooling areas, clean as necessary1.
Service precleaner element1.
Replace air cleaner element1.
Change oil. (More frequently under severe conditions.)
Remove cooling shrouds and clean cooling areas1,3.
Check oil cooler fins, clean as necessary (if equipped).
Check spark plug condition and gap.
Change oil filter.
Replace fuel filter (carbureted engines).
Every 250 Hours
• Replace heavy-duty air cleaner element and check inner element1.
Annually or
Every 500 Hours
• Have bendix starter drive serviced2,4.
• Have solenoid shift starter disassembled and cleaned2,4.
Every 500 Hours
• Have crankshaft spline lubricated2.
Every 1500 Hours
• Replace fuel filter1 (EFI engines).
1
Perform these maintenance procedures more frequently under extremely dusty, dirty conditions.
Have a Kohler Engine Service Dealer perform this service.
3
Cleanout Kits 25 755 20-S (black) or 25 755 21-S (gold) allow cooling areas to be cleaned without removing shrouds.
4
Only required for Denso starters. Not necessary on Delco starters.
2
Check Oil Level
The importance of checking and maintaining the
proper oil level in the crankcase cannot be
overemphasized. Check oil BEFORE EACH USE as
follows:
1. Make sure the engine is stopped, level, and is cool
so the oil has had time to drain into the sump.
2. To keep dirt, debris, etc., out of the engine, clean
the area around the dipstick before removing it.
3. Remove the dipstick; wipe oil off. Reinsert the
dipstick into the tube and press all the way
down.
4. Remove the dipstick and check the oil level.
The oil level should be up to, but not over, the “F”
mark on the dipstick. See Figure 7.
“F” Mark
Operating
Range
5. If the level is low, add oil of the proper type, up to
the “F” mark on the dipstick. (Refer to Oil Type on
page 5.) Always check the level with the dipstick
before adding more oil.
NOTE: To prevent extensive engine wear or
damage, always maintain the proper oil
level in the crankcase. Never operate the
engine with the oil level below the “L”
mark or over the “F” mark on the
dipstick.
Oil Sentry™
Some engines are equipped with an optional Oil
Sentry™ oil pressure switch. If the oil pressure
decreases below an acceptable level, the Oil Sentry™
will either shut off the engine or activate a warning
signal, depending on the application.
NOTE: Make sure the oil level is checked BEFORE
EACH USE and is maintained up to the “F”
mark on the dipstick. This includes engines
equipped with Oil Sentry™.
Figure 7. Oil Level Dipstick.
9
Change Oil and Filter, Service Oil Cooler
Change Oil
Change oil after every 100 hours of operation (more
frequently under severe conditions). Refill with
service class SG, SH, SJ or higher oil as specified in the
Viscosity Grades table (Figure 3) on page 5.
Change the oil while the engine is still warm. The oil
will flow more freely and carry away more
impurities. Make sure the engine is level when filling,
checking, and changing the oil.
Change the oil as follows (see Figures 8 and 9):
1. To keep dirt, debris, etc., out of the engine, clean
the area around the oil fill cap/dipstick before
removing it.
2. Remove one of the oil drain plugs, oil fill cap, and
dipstick. Be sure to allow ample time for complete
drainage.
3. Reinstall the drain plug. Make sure it is tightened
to 13.6 N·m (10 ft. lb.) torque.
4. Fill the crankcase, with new oil of the proper
type, to the “F” mark on the dipstick. Refer to Oil
Type on page 5. Always check the level with the
dipstick before adding more oil.
5. Reinstall the oil fill cap and tighten securely.
Reinstall dipstick.
NOTE: To prevent extensive engine wear or
damage, always maintain the proper oil
level in the crankcase. Never operate the
engine with the oil level below the “L”
mark or over the “F” mark on the
dipstick.
Oil Filter
Oil Cooler
Oil Drain Plug
Figure 9. Oil Drain Plugs, Oil Filter, and Oil Cooler
(Blower Housing Mounted).
Change Oil Filter
Replace the oil filter at least every other oil change
(every 200 hours of operation). Always use a genuine
Kohler oil filter. Use chart below to determine part
number to order.
Oil Filter Part No.
Length
12 050 01-S
2-1/2"
52 050 02-S
3-3/8"
Replace the oil filter as follows:
1. Drain the oil from the engine crankcase.
2. Allow the oil filter to drain.
3. Before removing the oil filter, clean the area
around the oil filter to keep dirt and debris out of
the engine. Remove the old filter. Wipe off the
surface where the oil filter mounts.
4. Place a new replacement filter in a shallow pan
with the open end up. Pour new oil, of the proper
type, in through the threaded center hole. Stop
pouring when the oil reaches the bottom of the
threads. Allow a minute or two for the oil to be
absorbed by the filter material.
5. Apply a thin film of clean oil to the rubber gasket
on the new filter.
6. Install the replacement oil filter to the filter adapter
or oil cooler. Turn the oil filter clockwise until the
rubber gasket contacts the filter adapter or oil
cooler, then tighten the filter an additional 3/4 to 1
turn.
Oil Filter
Oil Cooler
Oil Drain Plug
Figure 8. Oil Drain Plugs, Oil Filter, and Oil Cooler
(Crankcase Mounted).
10
7. Reinstall the drain plug. Make sure it is tightened
to 13.6 N·m (10 ft. lb.) torque.
8. Fill the crankcase with new oil of the proper type
to the “F” mark on the dipstick.
9. Start the engine and check for oil leaks. Correct
any leaks before placing the engine into service.
Check oil level to be sure it is up to but not over
the “F” mark.
Service Oil Cooler
Some engines are equipped with an oil cooler. One
style of oil cooler mounts on the engine crankcase and
has the oil filter on it (See Figure 8). The other style of
oil cooler is mounted on the blower housing (see
Figure 9), separate from the oil filter.
Inspect and clean the oil cooler every 100 hours of
operation (more frequently under severe conditions).
Oil cooler must be kept free of debris.
To service the crankcase mounted oil cooler clean off
the outside fins with a brush or with compressed air.
To service the blower housing mounted oil cooler,
clean the outside of fins with a brush. Remove the two
screws holding the cooler unit to the blower housing.
Tilt the cooler downward as shown in Figure 10.
Clean the inside of cooler with a brush as shown in
Figure 10 or with compressed air. After cleaning,
reinstall oil cooler to blower housing with two
mounting screws.
Air Cleaner
Cover
Cover Knob
Element
Cover Nut
Element Cover
Element
Precleaner
Figure 11. Air Cleaner System Components.
Check the air cleaner daily or before starting the
engine. Check for a buildup of dirt and debris around
the air cleaner system. Keep this area clean. Also check
for loose or damaged components. Replace all bent or
damaged air cleaner components.
NOTE: Operating the engine with loose or damaged
air cleaner components could allow
unfiltered air into the engine causing
premature wear and failure.
Service Precleaner
If so equipped, wash and reoil the precleaner every 25
hours of operation (more often under extremely dusty
or dirty conditions).
1. Loosen the cover retaining knob and remove the
cover.
2. Remove the precleaner from the paper element.
Figure 10. Cleaning Oil Cooler.
Service Precleaner and Air Cleaner Element
This engine is equipped with a replaceable, high
density paper air cleaner element. Most engines are
also equipped with an oiled, foam precleaner which
surrounds the paper element. See Figure 11. Some
engines use the heavy-duty air cleaner system. See
Figure 13.
3. Wash the precleaner in warm water with
detergent. Rinse the precleaner thoroughly until
all traces of detergent are eliminated. Squeeze out
excess water (do not wring). Allow the precleaner
to air dry.
4. Saturate the precleaner with new engine oil.
Squeeze out all excess oil.
5. Reinstall the precleaner over the paper element.
6. Reinstall the air cleaner cover. Secure cover with
the cover retaining knob.
7. When precleaner replacement is necessary, order
genuine Kohler parts.
24 083 02-S 61 mm (2.40 in.) high x 173 mm (6.81 in.) O.D.
24 083 05-S 71 mm (2.79 in.) high x 173 mm (6.81 in.) O.D.
11
Service Paper Element
Every 100 hours of operation (more often under
extremely dusty or dirty conditions) replace the paper
element.
1. Loosen the cover retaining knob and remove the
cover.
2. Pull the air cleaner element out of the housing.
See Figure 12.
Main
Element
Inner
Element
2. Remove the element cover nut, element cover, and
paper element with precleaner.
3. Remove the precleaner (if so equipped) from the
paper element. Service the precleaner as
described above.
4. Do not wash the paper element or use
pressurized air, as this will damage the element.
Replace a dirty, bent, or damaged element with a
genuine Kohler element. Handle new elements
carefully; do not use if the sealing surfaces are
bent or damaged.
5. When servicing the air cleaner, check the air
cleaner base. Make sure it is secured and not bent
or damaged. Also, check the element cover for
damage or improper fit. Replace all damaged air
cleaner components.
NOTE: If any loose dirt or debris fell on the air
cleaner base when the element was
removed, carefully remove it and wipe
the base clean. Be careful that none of it
drops into the intake throat. Check the
condition of the rubber seal on the air
cleaner stud. If the condition is
questionable in any way, replace it with
the new seal packaged with the
replacement element.
6. Reinstall the paper element, precleaner, element
cover, element cover nut, and air cleaner cover.
Secure cover with the cover retaining knob.
7. When element replacement is necessary, order
genuine Kohler parts.
Figure 12. Removing Elements.
3. After the main element is removed, check the
condition of the inner element. It should be
replaced whenever it appears dirty, typically
every other time the main element is replaced.
Clean the area around the base of the inner
element before removing it, so dirt does not get
into the engine.
4. Do not wash the paper element and inner element
or use pressurized air, this will damage the
elements. Replace dirty, bent or damaged
elements with new genuine Kohler elements as
required. Handle new elements carefully; do not
use if the sealing surfaces are bent or damaged.
5. Check all parts for wear, cracks, or damage.
Replace any damaged components.
6. Install the new inner element, Kohler Part No.
25 083 04-S followed by the outer element, Kohler
Part No. 25 083 01-S. Slide each fully into place in
the air cleaner housing.
7. Reinstall the end cap so the dust ejector valve is
down and secure with the two retaining clips.
See Figure 13.
47 083 03-S 65 mm (2.55 in.) high x 178 mm (7.00 in.) O.D.
24 083 03-S 74 mm (2.91 in.) high x 178 mm (7.00 in.) O.D.
Heavy-Duty Air Cleaner
To Service
Every 250 hours of operation (more often under
extremely dusty or dirty conditions), replace the
paper element and check inner element. Follow these
steps.
1. Unhook the two retaining clips and remove the
end cap from the air cleaner housing.
12
Dust
Ejector
Valve
Figure 13. Heavy-Duty Air Cleaner Assembly.
Clean Air Intake/Cooling Areas
To ensure proper cooling, make sure the grass screen,
cooling fins, and other external surfaces of the engine
are kept clean at all times.
Every 100 hours of operation (more often under
extremely dusty, dirty conditions), remove the blower
housing* and other cooling shrouds. Clean the cooling
fins and external surfaces as necessary. Make sure the
cooling shrouds are reinstalled.
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 14.
Wire Gauge
Spark Plug
NOTE: Operating the engine with a blocked grass
screen, dirty or plugged cooling fins, and/or
cooling shrouds removed, will cause engine
damage due to overheating.
*Cleanout kits 25 755 20-S (black) or 25 755 21-S
(gold) allow inspection and cleanout of the cooling
fins, without removing the blower housing.
Ignition System
Carbureted Engines - Use an electronic Capacitive
Discharge (CD) ignition system. Other than
periodically checking/replacing the spark plugs, no
maintenance, timing, or adjustments are necessary or
possible with this system.
EFI Engines - Incorporate a computer-controlled
battery ignition system with individual coils. Other
than periodically checking/replacing the spark plugs,
no maintenance, timing, or adjustments are necessary
or possible with this system.
Check Spark Plugs
Every 200 hours of operation, remove the spark plugs,
check condition, and reset the gap or replace with new
plugs as necessary. The standard spark plug is a
Champion® RC12YC (Kohler Part No. 12 132 02-S). RFI
complaint engines use a Champion® XC12YC (Kohler
Part No. 25 132 14-S) spark plug. A high-performance
spark plug, Champion® Platinum 3071 (used on Pro
Series engines, Kohler Part No. 25 132 12-S) is also
available. Equivalent alternate brand plugs can also
be used.
1. Before removing the spark plug, clean the area
around the base of the plug to keep dirt and
debris out of the engine.
2. Remove the plug and check its condition. Replace
the plug if worn or reuse is questionable.
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.
Ground
Electrode
0.76 mm
(0.030 in.) Gap
Figure 14. Servicing Spark Plug.
4. Reinstall the spark plug into the cylinder head.
Torque the spark plug to 24.4-29.8 N·m
(18-22 ft. lb.).
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 System
WARNING: Fuel System Under Pressure!
The EFI fuel system operates under high pressure, and the fuel
filter and fuel line used must be approved system components
only. Use of substitute parts can result in system failure,
gasoline leakage and possible explosion.
Fuel Filter
Carbureted Engines: Most engines are equipped with
an in-line fuel filter. Periodically inspect the filter and
replace with a genuine Kohler filter every 200
operating hours.
13
EFI Engines: A special, high volume, high pressure
filter with greater filtration capabilities and internal
surface area is used. See Figure 15.
Fuel Filter
Fuel Line
Figure 15. 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 16), 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.
Carburetor Troubleshooting and
Adjustments
Engines in this series use either a one- or two-barrel
carburetor depending on model, and may also be
equipped with a Governed Idle System. Specific
adjustment procedures are provided based on the
model and carburetor involved. If the engine is
equipped with a Governed Idle System, refer to Models
with Governed Idle System on page 15 when
performing any carburetor adjustment, as an
additional step to the listed adjustment procedure(s) is
required.
NOTE: Carburetor adjustments should be made only
after the engine has warmed up.
The carburetor is designed to deliver the correct
fuel-to-air mixture to the engine under all operating
conditions. To comply with current emission
regulations, the fuel mixture settings are made at the
factory and cannot be adjusted.
NOTE: To ensure correct engine operation at altitudes
above 1525 meters (5000 ft.), it may be
necessary to have an authorized Kohler dealer
install a special high-altitude jet kit in the
carburetor. If a high-altitude kit has been
installed, the engine must be reconverted to
the original jet size, before it is operated at
lower altitudes, or overheating and engine
damage can result.
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
FAMILY
6 KHXS.7252 PH
TYPE APP
DISPL. (CC)
N11236
MODEL NO.
SPEC. NO.
SERIAL NO.
BUILD DATE
OEM PROD. NO.
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
KOHLER CO. KOHLER, WISCONSIN USA
Figure 16. 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
15. If fuel line must be replaced, see your Kohler
Engine Service Dealer.
14
Low Idle
Speed Adj.
Low Idle
Fuel Adj.
Needle &
Fixed Main Jet
(under optional
Figure 17. Carburetor (CH18-25,CH730,740).
Troubleshooting
If engine troubles are experienced that appear to be
fuel system related, check the following areas before
adjusting the carburetor.
• Make sure the fuel tank is filled with clean, fresh
gasoline.
• Make sure the fuel tank cap vent is not blocked
and that it is operating properly.
• If the fuel tank is equipped with a shut-off valve,
make sure it is open.
• If the engine is equipped with an in-line fuel filter,
make sure it is clean and unobstructed. Replace
the filter if necessary.
• Make sure fuel is reaching the carburetor. This
includes checking the fuel lines and fuel pump for
restrictions or faulty components, replace as
necessary.
• Make sure the air cleaner element is clean and all
air cleaner element components are fastened
securely.
If, after checking the items listed above, the engine is
hard to start, runs roughly, or stalls at low idle speed,
it may be necessary to adjust or service the
carburetor.
Adjust Carburetor
The system requires an additional procedure for
setting the idle speed. If speed adjustments are
required proceed as follows.
1. Make any necessary speed or control adjustments
following the appropriate instructions covered in
this section.
2. Move the throttle control to the idle position. Hold
the governor lever away from the carburetor, or
hold the throttle lever so it is tight against the idle
speed adjusting screw, to negate the governor
activation. See Figure 19. Check the speed with a
tachometer and adjust it to 1500 RPM.
3. Release the governor lever and allow the engine to
return to the governed idle speed. Check it with a
tachometer against the equipment manufacturers
recommended idle speed. Governed Idle Speed
(RPM) is typically 300 RPM (approximate) higher
than the low idle speed. If adjustment is
necessary, bend the adjusting tab on the speed
control assembly to set. See Figure 18.
Models CH18-740
There are no accessible mixture adjustment screws on
the carburetor. The only setting which can be changed
is the low idle speed.
1. Start the engine and run at half throttle for 5 to
10 minutes to warm up. The engine must be
warm before making final settings (steps 2 and 3).
Tab
Governed Idle
Spring
2. Low Idle Speed Setting: Place the throttle control
into the idle or slow position. Set the low idle
speed to 1200 RPM* (± 75 RPM) by turning the
low idle speed adjusting screw in or out. Check
the speed using a tachometer.
*NOTE: The actual low idle speed depends on the
application – refer to equipment
manufacturers recommendations. The
standard low idle speed is 1200 RPM.
Figure 18. Governed Idle Spring Location.
3. If proper operation is not restored after adjusting
the low idle speed, carburetor servicing by an
authorized Kohler Engine Service Dealer may be
required.
Models with Governed Idle System
An optional governed idle control system is supplied
on some CH18-740 engines. The purpose of this
system is to maintain a desired idle speed regardless
of ambient conditions (temperature, parasitic load,
etc.) that may change. Engines with this feature
contain a small secondary spring connected between
the governor lever and the lower adjustment tab of
the main bracket. See Figure 18.
Hold Throttle Lever
Against Screw
Figure 19. Holding Throttle Lever Against Idle Stop
Screw.
15
adjusting needle in (clockwise). The engine
speed may increase, then it will decrease as
the needle is turned in (lean). Note the
position of the needle. Set the adjusting needle
midway between the rich and lean settings.
See Figure 21.
Model CH750
CH750 engines use a Keihin BK two-barrel carburetor
with fixed main jets and fixed or limiter-equipped low
idle fuel adjusting needles. See Figure 20. Adjustments
are made as follows.
Low Idle Fuel Adjusters
(with limiters)
Low Idle Speed (RPM)
Adjustment Screw
Fuel Solenoid
Figure 20. Keihin Two-Barrel Carburetor.
Low Idle Speed (RPM) Adjustment
1. Low Idle Speed (RPM) Setting: Place the throttle
control into the idle or slow position. Set the low
idle speed to 1200 RPM* (± 75 RPM) by turning
the low idle speed adjusting screw in or out.
Check the speed using a tachometer.
*NOTE: The actual low idle speed depends on the
application. Refer to the equipment
manufacturer’s recommendations. The low
idle speed for basic engines is 1200 RPM. To
ensure best results when setting the low idle
fuel needle, the low idle speed should be 1200
RPM (± 75 RPM).
Low Idle Fuel Adjustment
NOTE: Engines will have fixed low idle or limiter
caps on the two idle fuel adjusting needles.
Step 3 can only be performed within the
limits allowed by the cap. Do not attempt to
remove the limiter caps.
1. Start the engine and run at half throttle for 5 to
10 minutes to warm up. The engine must be
warm before doing steps 2, 3, and 4.
2. Place the throttle control into the idle or slow
position. Adjust the low idle speed to 1200 RPM*
Follow the Adjusting the Low Idle Speed (RPM)
procedure.
3. Low Idle Fuel Needle(s) Setting: Place the
throttle into the idle or slow position.
a. Turn one of the low idle fuel adjusting needles
out (counterclockwise) from the preliminary
setting until the engine speed decreases (rich).
Note the position of the needle. Now turn the
16
b. Repeat the procedure on the other low idle
adjustment needle.
4. Recheck/adjust the Low Idle Speed (RPM), to the
specified setting.
Adjust to
Midpoint
Lean
Adjust to
Midpoint
Lean
Rich
Rich
Left Side
Right Side
Figure 21. Optimum Low Idle Fuel Settings.
Models with Governed Idle System
An optional governed idle control system is supplied
on some CH750 engines. The purpose of this system is
to maintain a desired idle speed regardless of ambient
conditions (temperature, parasitic load, etc.) that may
change. Engines with this feature contain a small
secondary spring connected between the governor
lever and the lower adjustment tab of the main
bracket. See Figure 18. Refer to the same adjustment
procedure covered in Models with Governed Idle
System for the CH18-740 models on page 15, when
adjustments are required.
Electronic Fuel Injection (EFI) System
The EFI system is a complete, electronically-controlled
fuel management system, designed to deliver a
precisely controlled fuel flow under all operating
conditions. The electronic control unit (ECU), the brain
of the system, automatically adjusts fuel delivery and
ignition timing based upon load, speed, operating
temperature, and exhaust emission levels. The low
idle speed is the only manual adjustment possible.
The ECU continuously monitors operation of the EFI
system. If it detects a problem or fault within the
system, it will illuminate the malfunction indicator
light (MIL), which is mounted in view of the operator.
This is a signal that normal, programmed operation
has been affected, and service by an authorized Kohler
Engine Dealer is required.
NOTE: The EFI system requires a rather complex
wiring harness to carry the electrical signals
between the sensors and the ECU. Do not
spray water at the wiring harness or any of
the electrical components, especially the ECU,
as it could cause malfunction, damage, or
failure.
Troubleshooting
If the MIL comes on, or the engine becomes hard to
start, runs roughly, or stalls at low idle speed, initial
checks should be made in the following areas:
When an EFI engine is started cold, the ECU will be
using internal programming for cold running, and the
idle speed may vary from the manual setting. Do not
attempt to perform any readjustment during this
warm-up period.
If adjustment is to be made, the engine must be at
operating temperature, air cleaner in place, and check
engine light must be off (no fault codes present).
1. Start the engine and run at half throttle for 5 to
10 minutes to warm up.
• Make sure the fuel tank is filled with clean, fresh
gasoline, and shut-off valve (if so equipped) is
opened completely.
2. Place the throttle control into the idle or slow
position.
• Make sure fuel tank vent cap is not blocked and it
is operating properly.
3. Turn the low idle speed adjusting screw in or out
and check RPM with a tachometer. See Figure 22.
• Make sure the air cleaner element and precleaner
are clean and all components are properly
secured. Clean or replace as necessary.
Low Idle Speed
Adjusting Screw
• Make sure the proper fuel filter is being used, and
it is clean and unobstructed. Replace filter only
with genuine Kohler parts.
Throttle Body
Intake Manifold
• Make sure all connections to sensors, ECU, and
fuel injectors are properly secured.
Fuel Rail
• Make sure a good 12 volt battery is being used
and is fully charged.
Figure 22. EFI Throttle Body Manifold.
If these checks do not correct the problem, or the MIL
remains on, further diagnosis and servicing by an
authorized Kohler Engine Dealer is necessary.
Troubleshooting
Adjustment – EFI Throttle Body
Low Idle Speed (RPM) is the only adjustment that can
be made. All other fuel calibrations are permanently
preset and controlled by the ECU. The standard low
idle speed is 1500 RPM* (+ 75 RPM).
*NOTE: The actual low idle speed depends on the
application -- refer to equipment
manufacturer's recommendations.
When troubles occur, be sure to check the simple
causes which, at first, may seem too obvious to be
considered. For example, a starting problem could be
caused by an empty fuel tank. Some common causes of
engine troubles are listed in the following table.
Do not attempt to service or replace major engine
components, or any items that require special timing
or adjustment procedures. Have your Kohler Engine
Service Dealer do this work.
Possible Cause No Improper
Dirt In
Dirty
Incorrect
Problem
Fuel
Fuel Fuel Line/System Grass Screen Oil Level
Will Not Start
•
Hard Starting
Stops Suddenly •
Lacks Power
Operates Erratically
Knocks or Pings
Skips or Misfires
Backfires
Overheats
High Fuel Consumption
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Engine
Overloaded
Dirty Air
Cleaner
Faulty
Spark Plug
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
17
Storage
If the engine will be out of service for two months or
more, use the following storage procedure:
1. Clean the exterior surfaces of the engine. On EFI
engines, avoid spraying water at the wiring
harness or any of the electrical components.
2. Change the oil and filter while the engine is still
warm from operation. See Change Oil and Filter
on page 9.
3. The fuel system must be completely emptied, or
the gasoline must be treated with a stabilizer to
prevent deterioration. If you choose to use a
stabilizer, follow the manufacturers
recommendations, and add the correct amount
for the capacity of the fuel system. Fill the fuel
tank with clean, fresh gasoline. Run the engine for
2-3 minutes to get stabilized fuel into the rest of
the system. Close fuel shut-off valve when unit is
being stored or transported.
To empty the system, run the engine until the
tank and fuel system are empty.
4. Remove the spark plugs. Add one tablespoon of
engine oil into each spark plug hole. Install the
plugs, but do not connect the plug leads. Crank
the engine two or three revolutions.
5. On units with EFI engines, disconnect the
negative (-) battery cable or use a battery minder
trickle charger while the unit is in storage.
6. Store the engine in a clean, dry place.
Parts Ordering
The engine Specification, Model, and Serial Numbers
are required when ordering replacement parts from
your Kohler Engine Service Dealer. These numbers are
found on the identification plate which is affixed to
the engine shrouding. Include letter suffixes if there
are any. See Engine Identification Numbers on
page 6.
Always insist on genuine Kohler parts. All genuine Kohler
parts meet strict standards for fit, reliability, and
performance.
Major Repair
Major repair information is available in Kohler Engine
Service Manuals. This type of repair generally
requires the services of a trained mechanic and the use
of special tools and equipment. Kohler Engine Service
Dealers have the facilities, training, and genuine
Kohler replacement parts necessary to perform this
service.
For the nearest Sales & Service location:
• visit our website www.kohlerengines.com
• call 1-800-544-2444 (U.S. & Canada)
• look in the yellow pages under Engines-Gasoline
Specifications
Model: ............................................................. CH18,20 ..................... CH22,23 ..................... CH730,26,740,745 ......... CH750
Bore: ............................................ mm (in.) ... 77 (3.03) ..................... 80 (3.2) ....................... 83 (3.27) ......................... 83 (3.27)
Stroke: ......................................... mm (in.) ... 67 (2.64) ..................... 67 (2.64) ..................... 67 (2.64) ......................... 69 (2.72)
Displacement: ........................... cm3 (in3) ... 624 (38.1) ................... 674 (41) ...................... 725 (44.0) ....................... 747 (45.6)
Power (@ 3600 RPM): ................ kW (HP) ... 13.4 (18*)/14.9 (20*) ... 16.4 (22*)/17.2 (23*) ... 18.6 (25*)/19.4 (26*) ....... 22.4 (30*)
20.1 (27*)/20.9(28*)
Max. Peak Torque (@ RPM): .. N·m (ft. lb.) ... 43.6 (32.2) @ 2200 ...... 49.1 (36.2) @ 2400 ...... 55.4 (40.9) @ 2400 .......... 64.4 (47.5) @ 2400
44.3 (32.7) @ 2400 ...... 51.4 (37.9) @ 2400 ...... 54.2 (40.0) @ 2800
57.3 (42.3) @ 2400
57.9 (42.7) @ 2600
Compression Ratio: ..................................... 8.5:1 ............................ 8.5:1 ............................ 9.0:1 ................................ 9.4:1
Weight: ........................................... kg (lb.) ... 41 (90) ........................ 41 (90) ........................ 43 (94) ............................ 47 (105)
Oil Capacity (w/filter) - approximate,
determined by oil filter and oil cooler used: ---------------------------------- 1.6-1.8 L (1.7-1.9 U.S. qt.) --------------------------------------Lubrication: ------------------------------------------------ Full Pressure w/full Flow Filter ----------------------------------------------------------Exhaust Emission Control System for models CH18,20,22,23,730,740,750 is EM.
Exhaust Emission Control System for models CH26 and CH745 are EM, O2S, ECM, MFI.
* Horsepower ratings exceed Society of Automotive Engineers Small Engine Test Code J1940. Actual engine horsepower
is lower and affected by, but not limited to, accessories (air cleaner, exhaust, charging, cooling, fuel pump, etc.),
application, engine speed and ambient operating conditions (temperature, humidity, and altitude). Kohler reserves the
right to change product specifications, designs and equipment without notice and without incurring obligation.
18
LIMITED 2 YEAR COMMAND ENGINE WARRANTY
Kohler Co. warrants to the original consumer that each new COMMAND engine sold by Kohler Co. will be free from manufacturing
defects in materials or workmanship in normal service for a period of two (2) years from date of purchase, provided it is operated and
maintained in accordance with Kohler Co.’s instructions and manuals.
Our obligation under this warranty is expressly limited, at our option, to the replacement or repair at Kohler Co., Kohler, Wisconsin
53044, or at a service facility designated by us of such parts as inspection shall disclose to have been defective.
EXCLUSIONS:
Mufflers on engines used commercially (non-residential) are warranted for one (1) year from date of purchase, except catalytic mufflers,
which are warranted for two (2) years.
This warranty does not apply to defects caused by casualty or unreasonable use, including faulty repairs by others and failure to provide
reasonable and necessary maintenance.
The following items are not covered by this warranty:
Engine accessories such as fuel tanks, clutches, transmissions, power-drive assemblies, and batteries, unless supplied or installed by
Kohler Co. These are subject to the warranties, if any, of their manufacturers.
KOHLER CO. AND/OR THE SELLER SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES OF ANY KIND, including but not limited to labor costs or transportation charges in connection with the repair or
replacement of defective parts.
IMPLIED OR STATUTORY WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE, ARE EXPRESSLY LIMITED TO THE DURATION OF THIS WRITTEN WARRANTY. We make no other
express warranty, nor is any one authorized to make any on our behalf.
Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or
consequential damages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
TO OBTAIN WARRANTY SERVICE:
Purchaser must bring the engine to an authorized Kohler service facility. To locate the nearest facility, visit our website,
www.kohlerengines.com, and click on SALES AND SERVICES to use the locator function, consult your Yellow Pages or telephone
1-800-544-2444.
ENGINE DIVISION, KOHLER CO., KOHLER, WISCONSIN 53044
KOHLER CO.
FEDERAL AND CALIFORNIA EMISSION CONTROL SYSTEMS
LIMITED WARRANTY
SMALL OFF-ROAD AND CLASS 1 LSI ENGINES
The U.S. Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and Kohler Co. are pleased to
explain the Federal and California Emission Control Systems Warranty on your off-road equipment engine. For California, small offroad engines produced in 1995 and later, and Class 1 LSI (Large Spark Ignited engines at or below 1.0 liter) produced in 2005 and
later, must be designed, built and equipped to meet the state’s stringent anti-smog standards. In other states, 1997 and later model
year engines must be designed, built and equipped, to meet the U.S. EPA regulations for small non-road engines. The engine must
be free from defects in materials and workmanship, which cause it to fail to conform with U.S. EPA standards for the first two years
of engine use from the date of sale to the ultimate purchaser. Kohler Co. must warrant the emission control system on the engine for
the period of time listed above, provided there has been no abuse, neglect or improper maintenance.
The emission control system may include parts such as the carburetor or fuel injection system, the ignition system, and catalytic
converter. Also included are the hoses, belts and connectors and other emission related assemblies.
Where a warrantable condition exists, Kohler Co. will repair the engine at no cost, including diagnosis (if the diagnostic work is
performed at an authorized dealer), parts and labor.
MANUFACTURER’S WARRANTY COVERAGE
Small off-road engines produced in 1995 or later, and Class 1 LSI engines produced in 2005 and later, are warranted for two years in
California. In other states, 1997 and later model year engines are warranted for two years. If any emission related part on the engine
is defective, the part will be repaired or replaced by Kohler Co. free of charge.
OWNER’S WARRANTY RESPONSIBILITIES
(a) The engine owner is responsible for the performance of the required maintenance listed in the owner’s manual. Kohler Co.
recommends that you retain all receipts covering maintenance on the engine, but Kohler Co. cannot deny warranty solely for
the lack of receipts or for your failure to assure that all scheduled maintenance was performed.
(b)
Be aware, however, that Kohler Co. may deny warranty coverage if the engine or a part has failed due to abuse, neglect,
improper maintenance or unapproved modifications.
Continued on next page.
19
(c)
For warranty repairs, the engine must be presented to a Kohler Co. service center as soon as a problem exists. Call
1-800-544-2444 or access our website at: www.kohlerengines.com, for the names of the nearest service centers. The warranty
repairs should be completed in a reasonable amount of time, not to exceed 30 days.
If you have any questions regarding warranty rights and responsibilities, you should contact Kohler Co. at 1-920-457-4441 and ask
for an Engine Service representative.
COVERAGE
Kohler Co. warrants to the ultimate purchaser and each subsequent purchaser that the engine will be designed, built and equipped, at
the time of sale, to meet all applicable regulations. Kohler Co. also warrants to the initial purchaser and each subsequent purchaser,
that the engine is free from defects in materials and workmanship which cause the engine to fail to conform with applicable
regulations for a period of two years.
Small off-road engines produced in 1995 or later, and Class 1 LSI engines produced in 2005 and later, are warranted for two years in
California. For 1997 and later model years, EPA requires manufacturers to warrant engines for two years in all other states. These
warranty periods will begin on the date the engine is purchased by the initial purchaser. If any emission related part on the engine is
defective, Kohler Co. will replace the part at no cost to the owner. Kohler Co. is liable for damages to other engine components
caused by the failure of a warranted part still under warranty.
Kohler Co. shall remedy warranty defects at any authorized Kohler Co. engine dealer or warranty station. Warranty repair work done
at an authorized dealer or warranty station shall be free of charge to the owner if such work determines that a warranted part is
defective.
Listed below are the parts covered by the Federal and California Emission Control Systems Warranty. Some parts listed below may
require scheduled maintenance and are warranted up to the first scheduled replacement point for that part. The warranted parts are:
•
•
•
•
•
•
Oxygen sensor (if equipped)
Intake manifold (if equipped)
Exhaust manifold (if equipped)
Catalytic muffler (if equipped)
Fuel metering valve (if equipped)
Spark advance module (if equipped)
•
•
•
•
•
•
Ignition module(s) with high tension lead
Gaseous fuel regulator (if equipped)
Electronic control unit (if equipped)
Carburetor or fuel injection system
Fuel lines (if equipped)
Air filter, fuel filter, and spark plugs (only to first scheduled replacement point)
LIMITATIONS
This Emission Control Systems Warranty shall not cover any of the following:
(a)
repair or replacement required because of misuse or neglect, improper maintenance, repairs improperly performed or
replacements not conforming to Kohler Co. specifications that adversely affect performance and/or durability and alterations or
modifications not recommended or approved in writing by Kohler Co.,
(b)
replacement of parts and other services and adjustments necessary for required maintenance at and after the first scheduled
replacement point,
(c)
consequential damages such as loss of time, inconvenience, loss of use of the engine or equipment, etc.,
(d)
diagnosis and inspection fees that do not result in eligible warranty service being performed, and
(e)
any add-on or modified part, or malfunction of authorized parts due to the use of add-on or modified parts.
MAINTENANCE AND REPAIR REQUIREMENTS
The owner is responsible for the proper use and maintenance of the engine. Kohler Co. recommends that all receipts and records
covering the performance of regular maintenance be retained in case questions arise. If the engine is resold during the warranty period,
the maintenance records should be transferred to each subsequent owner. Kohler Co. reserves the right to deny warranty coverage if
the engine has not been properly maintained; however, Kohler Co. may not deny warranty repairs solely because of the lack of repair
maintenance or failure to keep maintenance records.
Normal maintenance, replacement or repair of emission control devices and systems may be performed by any repair establishment or
individual; however, warranty repairs must be performed by a Kohler authorized service center. Any replacement part or service that is
equivalent in performance and durability may be used in non-warranty maintenance or repairs, and shall not reduce the warranty
obligations of the engine manufacturer.
FORM NO.: 24 590 01-A
ISSUED:
11/04
REVISED:
6/07
LITHO IN U.S.A.
FOR SALES AND SERVICE INFORMATION
IN U.S. AND CANADA, CALL 1-800-544-2444
KohlerEngines.com
ENGINE DIVISION, KOHLER CO., KOHLER, WISCONSIN 53044
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