Maintenance Instructions
Accidental Starts can cause
severe injury or death.
Disconnect and ground spark
plug lead(s) before servicing.
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 dealer found at KohlerEngines.com or 1-800-544-2444 (U.S. and Canada).
Maintenance Schedule
After fi rst 5 Hours
● Change oil.
Every 50 Hours or Annually
● Service/replace dual-element precleaner.
Every 100 Hours or Annually
● Clean low-profi le air cleaner element.
● Replace dual-element air cleaner element.
● Change oil.
● Clean cooling areas.
● Clean spark arrestor (if equipped).
● Replace fuel fi lter (if equipped).
Every 100 Hours
2
● Check and adjust valve clearance when engine is cold.
● Have combustion chamber decarbonized.
Every 125 Hours or Annually
● Replace spark plug and set gap.
Every 200 Hours
2
● Replace fuel line.
Every 300 Hours
● Replace low-profi le air cleaner element.
Perform these procedures more frequently under severe, dusty, dirty conditions.
1
Have a Kohler authorized dealer perform this service.
2
Oil Recommendations
We recommend use of Kohler oils for best
performance. Other high-quality detergent
oils (including synthetic) of API (American
Petroleum Institute) service class SJ or higher
are acceptable. Select viscosity based on air
temperature at time of operation as shown in
table below.
5W-30
°F -20
0
20
°C -30
-20
-10
18 590 11 Rev. --
WARNING
1
1
10W-30
SAE 30
32 40
50
60
80
0
10
20
30
KohlerEngines.com
Before working on engine or equipment, disable
engine as follows: 1) Disconnect spark plug
lead(s). 2) Disconnect negative (–) battery cable
from battery.
Check Oil Level
NOTE: To prevent extensive engine wear or
damage, never run engine with oil level
below or above operating range
indicator on dipstick.
Ensure engine is cool. Clean oil fi ll/dipstick
areas of any debris.
1. Remove dipstick; wipe oil off.
2. Reinsert dipstick into tube; rest on oil fi ll
neck; turn counterclockwise until cap drops
down to lowest point of thread leads; do not
thread cap onto tube.
a. Remove dipstick; check oil level. Level
should be at top of indicator on dipstick.
100
40
b. Remove oil fi ll plug. Level should be up
to point of overfl owing fi ller neck.
or
EN
5
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