Kohler Command PRO EFI ECV940 User Manual

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Engine Specifi cations
Model Bore Stroke Displacement
Oil Capacity
(Refi ll)
Spark Plug
Gap
Maximum Angle
of Operation
(@ full oil level)*
ECH940
3.54 in.
(90 mm)
3.1 in.
(78.5 mm)
61 cu. in.
(999 cc)
2.0-2.7 U.S. qt.
(1.9-2.6 L)
0.030 in.
(0.76 mm)
25°
ECH980
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.
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.
Possible Cause
Problem
No
Fuel
Improper
Fuel
Dirt In
Fuel
Line
Broken
Fusible
Link
Dirty
Debris
Screen
Incorrect
Oil Level
Engine
Overloaded
Dirty Air
Cleaner
Faulty
Spark
Plug
Will Not Start
●● ●● ● ● ● ●
Hard Starting
●● ● ● ● ●
Stops Suddenly
●●●●●●●
Lacks Power
●● ● ● ● ● ●
Operates Erratically
●● ● ● ● ●
Knocks or Pings
●●●●
Skips or Misfi res
●● ● ● ●
Backfi res
●●●●
Overheats
●●●●●
High Fuel
Consumption
●●●
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.

Kohler Command PRO EFI ECV940 Specifications

General

Fuel System	Electronic Fuel Injection (EFI)
Lubrication	Full pressure lubrication with full-flow filter
Cooling System	Air-cooled
Governor Type	Mechanical
Starter	Electric
Spark Plug Gap	0.030 in. (0.76 mm)
Displacement	999 cc
Bore	90 mm
Oil Capacity	2.0 quarts (1.9 liters)
Horsepower	38 hp
Ignition System	Electronic
Alternator	20 amp
Fuel Tank Capacity	External Tank Required