Engine Service Manual

17
Specifi cations
32 690 03 Rev. I KohlerEngines.com
TORQUE SPECIFICATIONS
3,5
KT610
KT620 KT715 KT725 KT730 KT735 KT740 KT745
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.)
Speed Control Bracket
Fastener 10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Starter Assembly
Thru Bolt
Inertia Drive
Solenoid Shift
4.5-5.7 N·m (40-50 in. lb.)
5.6-9.0 N·m (49-79 in. lb.)
Mounting Screw 23.8 N·m (211 in. lb.)
Brush Holder Mounting Screw 2.5-3.3 N·m (22-29 in. lb.)
Stator
Mounting Screw 8.8 N·m (78 in. lb.)
Valve Cover
Fastener 9.6 N·m (85 in. lb.)
CLEARANCE SPECIFICATIONS
3
KT610
KT620 KT715 KT725 KT730 KT735 KT740 KT745
Camshaft
End Play 0.06/0.40 mm (0.0024/0.0157 in.)
Running Clearance 0.040/0.077 mm (0.0016/0.0030 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
19.948/19.960 mm (0.7854/0.7858 in.)
19.945 mm (0.7852 in.)
Connecting Rod
Connecting Rod-to-Crankpin Running Clearance
New
Max. Wear Limit
0.037/0.083 mm (0.0015/0.0033 in.)
0.098 mm (0.0039 in.)
Connecting Rod-to-Crankpin Side Clearance 0.261/0.67 mm (0.0102/0.0264 in.)
Connecting Rod-to-Piston Pin Running Clearance 0.013/0.032 mm (0.0005/0.0013 in.)
Piston Pin End I.D.
New
Max. Wear Limit
17.013/17.027 mm (0.6698/0.6704 in.)
17.040 mm (0.6709 in.)
Crankcase
Governor Cross Shaft Bore I.D.
New
Max. Wear Limit
8.025/8.075 mm (0.3159/0.3179 in.)
8.088 mm (0.3184 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.