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
CH682
3.15 in.
(80 mm)
CV682
CH732
CV732
CH742
3.27 in.
(83 mm)
CV742
CH752
CV752
*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.
Exhaust Emission Control System for models CH682-CH752 and CV682-CV752 is EM for U.S.
EPA, California, and Europe.
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.
8
All manuals and user guides at all-guides.com
Dirt In
No
Improper
Fuel
Fuel
Fuel
Line
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Stroke Displacement Oil Capacity
42.4 cu. in.
(694 cc)
2.72 in.
(69 mm)
45.6 cu. in.
(747 cc)
KohlerEngines.com
Possible Cause
Dirty
Debris
Incorrect
Engine
Screen
Oil Level
Overloaded
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Spark
(Refi ll)
Plug Gap
1.7-1.9 U.S. qt.
0.03 in.
(1.6-1.8 L)
(0.76 mm)
Faulty
Dirty Air
Spark
Cleaner
Plug
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Maximum Angle
of Operation
(@ full oil level)*
25°
24 590 37 Rev. B