Kohler Command Pro EFI ECH940 Owner's Manual - Page 8

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Kohler Command Pro EFI ECH940 Owner's Manual
Storage
If engine will be out of service for 2 months or more follow procedure below.
1. Add Kohler PRO Series fuel treatment or equivalent to fuel tank. Run engine 2-3 minutes to get
stabilized fuel into fuel system (failures due to untreated fuel are not warrantable).
2. Change oil while engine is still warm from operation (NOT required if using KOHLER PRO
10W-50 full-synthetic oil). Remove spark plug(s) and pour about 1 oz. of engine oil into
cylinder(s). Replace spark plug(s) and crank engine slowly to distribute oil.
3. Disconnect negative (-) battery cable.
4. Store engine in a clean, dry place.

Troubleshooting

Do not attempt to service or replace major engine components, or any items that require special
timing or adjustment procedures. This work should be performed by a Kohler authorized dealer.
Problem
Will Not Start
Hard Starting
Stops Suddenly
Lacks Power
Operates Erratically
Knocks or Pings
Skips or Misfi res
Backfi res
Overheats
High Fuel
Consumption
Engine Specifi cations
Model
Bore
ECH940
ECH980
3.54 in.
(90 mm)
ECV940
ECV980
*Exceeding maximum angle of operation may cause engine damage from insuffi cient lubrication.
Additional specifi cation information can be found in service manual at KohlerEngines.com.
Any and all horsepower (hp) references by Kohler are Certifi ed Power Ratings and per SAE J1940
& J1995 hp standards. Details on Certifi ed Power Ratings can be found at KohlerEngines.com.
Emission Control System
Exhaust Emission Control System for models ECH940 & ECH980 and ECV940 & ECV980 is EM,
O2S, ECM, MPI for U.S. EPA, California, and Europe.
NOTE: Tampering with the engine and its emission control system voids the EPA Certifi cate of
Conformity, ARB Executive Order, and EU type-approval.
8
Dirt In
No
Improper
Fuel
Fuel
Fuel
Line
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Stroke
Displacement
3.1 in.
61 cu. in.
(78.5 mm)
(999 cc)
KohlerEngines.com
Possible Cause
Broken
Dirty
Fusible
Debris
Incorrect
Link
Screen
Oil Level
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Oil Capacity
(Refi ll)
2.0-2.7 U.S. qt.
(1.9-2.6 L)
Engine
Dirty Air
Overloaded
Cleaner
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Maximum Angle
Spark Plug
of Operation
Gap
(@ full oil level)*
0.030 in.
(0.76 mm)
62 590 18 Rev. D
Faulty
Spark
Plug
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25°