16
Specifi cations
KohlerEngines.com 32 690 03 Rev. I
TORQUE SPECIFICATIONS
3,5
KT610
KT620 KT715 KT725 KT730 KT735 KT740 KT745
Carburetor
Mounting Nut 6.2-7.3 N·m (55-65 in. lb.)
Connecting Rod
Cap Fastener (torque in increments)
Black Coating
Gray Metallic Coating
11.3 N·m (100 in. lb.)
13.6 N·m (120 in. lb.)
Crankcase
Breather Assembly
Outer Cover Stud
Outer Cover Hex Nut
6.2 N·m (55 in. lb.) into new hole
4.0 N·m (35 in. lb.) into used hole
1.3 N·m (11.5 in. lb.)
Oil Drain Plug 13.6 N·m (10 ft. lb.)
Cylinder Head
Head Bolt Fastener (torque in 2 increments) fi rst to 22.6 N·m (200 in. lb.)
fi nally to 41.8 N·m (370 in. lb.)
Rocker Arm Stud 11.3 N·m (100 in. lb.)
Flywheel
Retaining Screw 74.5 N·m (55 ft. lb.)
Fuel Pump
Screw 2.8 N·m (25 in. lb.)
Governor
Lever Nut 6.8 N·m (60 in. lb.)
Ignition
Spark Plug 27 N·m (20 ft. lb.)
Module Fastener 4.0-6.2 N·m (35-55 in. lb.)
Rectifi er-Regulator Fastener 4.0 N·m (35 in. lb.)
Intake Manifold
Mounting Fastener (torque in 2 increments) fi rst to 7.4 N·m (66 in. lb.)
fi nally to 9.9 N·m (88 in. lb.)
Muffl er
M8 Hex Nuts 24.4 N·m (216 in. lb.)
5/16-18 Capscrew 16.9 N·m (150 in. lb.)
Bracket Screw 9.9 N·m (88 in. lb.)
Oil Pan
Fastener 24.4 N·m (216 in. lb.)
Oil Pump
Screw (no torque sequence) 9.9 N·m (88 in. lb.)
Oil Sentry
™
Pressure Switch 4.5 N·m (40 in. lb.)
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.
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