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Safety Precautions (Cont.)
Accidental Starts can cause
severe injury or death.
Disconnect and ground spark plug
leads before servicing.
WARNING
Carbon Monoxide can cause
severe nausea, fainting or death.
Do not operate engine in closed or
confined area.
WARNING WARNING
Explosive Gas can cause fires and
severe acid burns.
Charge battery only in a well
ventilated area. Keep sources of
ignition away.
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.
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.
*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.
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.