Kohler 4CM21 Owner's Manual page 2

STOP-START
SWITCH
T
OIL
.DRAIN
AIR CLEANER
FUEL PUMP
OIL FILL TUBE
AND DIPSTICK
FIGURE 1 -- MAIN COMPONENTS-SERVICE
&
ADJUSTMENT POINTS
Engine: Kohler 4-stroke cycle, air-cooled single cylinder gasoline Model K321 engine. All have the
Kohler patented ACR (Automatic Compression Release) feature for quick, easy starting. Other general
specifications are:
LUBE OIL CAPACITy 1-3/4 Quarts
SPARK PLUG SIZE (XH-10 or Equivalent) l4mm
SPARK PLUG GAP 025"
BREAKER POINT GAP 020"
BATTERY (55 amp. hr. minimum) 12 volt
FUEL (Regular grade gasoline) 85 Octane Minimum
The following chart is provided to help you calculate the approximate fuel consumption of your
set at various load levels.
APPROXIMATE FUEL CONSUMPTION
APPROXIMATE CONSUMPTION IN GALLONS (U.S. STD.) PER HOUR AT
1/4 LOAD
1/2 LOAD 3/4 LOAD
FULL LOAD
.46 Gallon .575 Gallon .74 Gallon
Generator: Kohler rotating armature (alternating current) type with built-in exciter which functions as
a starting motor to crank the engine during starting then switches to its generating function after the
engine starts. Exciter cranking permits higher cranking speeds for longer periods of time thus provides
better starting under all conditions.
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