Specifi cations
762 690 01 Rev. C KohlerEngines.com
Engine Identifi cation Numbers
Kohler engine identifi cation numbers (model, specifi cation and serial) should be referenced for effi cient repair,
ordering correct parts, and engine replacement.
General Specifi cations
3
CH940 CH960 CH980 CH1000
Bore 90 mm (3.54 in.)
Stroke 78.5 mm (3.1 in.)
Displacement 999 cc (61 cu. in.)
Oil Capacity (w/fi lter) (approximate) 2.7 L (2.9 U.S. qt.)
Maximum Angle of Operation (@ full oil level)
4
25°
Torques
CH940 CH960 CH980 CH1000
Blower Housing and Steel Metal
M6 Shoulder Screw
New, Untapped Hole (casting)
Used, Tapped Hole (casting)
New, Extruded Hole (sheet metal)
Used, Extruded Hole (sheet metal)
Mounting Clip (valley baffl e)
10.7 N·m (95 in. lb.)
7.3 N·m (65 in. lb.)
4.0 N·m (35 in. lb.)
2.0 N·m (18 in. lb.)
2.5 N·m (22 in. lb.)
M6 Screw
New, Untapped Hole (casting)
Used, Tapped Hole (casting)
10.7 N·m (95 in. lb.)
7.3 N·m (65 in. lb.)
Rectifi er-Regulator Fastener 2.0 N·m (18 in. lb.)
Oil Cooler Fastener 2.2 N·m (20 in. lb.)
Carburetor, Intake Manifold, and Air Cleaner
Intake Manifold Mounting Fastener
Torque in Two Stages fi rst to 16.9 N·m (150 in. lb.)
fi nally to 22.6 N·m (200 in. lb.)
Carburetor/Air Cleaner Mounting Nut 7.9 N·m (70 in. lb.)
Air Cleaner Mounting Screw (into intake manifold) 9.9 N·m (88 in. lb.)
Closure Plate
Closure Plate Fastener 24.4 N·m (216 in. lb.)
3
Values are in Metric units. Values in parentheses are English equivalents. Lubricate threads with engine oil prior to
assembly.
4
Exceeding maximum angle of operation may cause engine damage from insuffi cient lubrication.
Model . . . . . . . . . . . . . . . . . . . . . CH940
Command Engine
Horizontal Shaft
Numerical Designation
Specifi cation . . . . . . . . . . . . . . . CH940-0001
Serial . . . . . . . . . . . . . . . . . . . . . 3923500328
Year Manufactured Code Factory Code
Code Year
39 2009
40 2010
41 2011
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