Service manual

Specifi cations
962 690 01 Rev. C KohlerEngines.com
TORQUE SPECIFICATIONS
3,5
CH940 CH960 CH980 CH1000
Oil Pickup Screen
Mounting Screw 10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Oil Pickup Tube
Mounting Screw 10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Oil Pump
Mounting Screw 10.7 N·m (95 in. lb.) into new holes
6.7 N·m (60 in. lb.) into used holes
Oil Sentry
TM
Pressure Switch 10.1 N·m (90 in. lb.)
Reservoir (oil)
Mounting Screw 24.4 N·m (216 in. lb.)
Solenoid (starter)
Mounting Hardware 4.0-6.0 N·m (35-53 in. lb.)
Nut, Positive (+) Brush Lead 8.0-11.0 N·m (71-97 in. lb.)
Starter Assembly
Thru Bolt 5.6-9.0 N·m (49-79 in. lb.)
Mounting Screw 15.3 N·m (135 in. lb.)
Brush Holder Mounting Screw 2.5-3.3 N·m (22-29 in. lb.)
Stator
Mounting Screw 6.2 N·m (55 in. lb.)
Throttle/Choke Control Bracket
Fastener 9.9 N·m (88 in. lb.)
Valve Cover
Valve Cover Fastener 13.6 N·m (120 in. lb.)
CLEARANCE SPECIFICATIONS
3
CH940 CH960 CH980 CH1000
Camshaft
End Play 0.3/1.3 mm (0.011/0.051 in.)
Running Clearance 0.025/0.063 mm (0.0010/0.0025 in.)
Bore I.D.
New
Max. Wear Limit
20.000/20.025 mm (0.7874/0.7884 in.)
20.038 mm (0.7889 in.)
Bearing Surface O.D.
New
Max. Wear Limit
19.962/19.975 mm (0.7859/0.7864 in.)
19.959 mm (0.7858 in.)
Cam Lobe Profi le (minimum dimension, measured from base circle
to top of lobe)
Exhaust 35 mm (1.3779 in.)
Intake 34.1 mm
(1.3425 in.)
35 mm (1.3779 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.