Specifi cations
9
24 690 31 Rev. D
KohlerEngines.com
CLEARANCE
SPECIFICATIONS
3
PCV680, PCV740
Camshaft
End Play (with shim)
0.101/0.406 mm (0.0040/0.0160 in.)
Running Clearance
0.025/0.105 mm (0.001/0.004 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
19.920/19.975 mm (0.7843/0.7864 in.)
19.914 mm (0.7840 in.)
Connecting Rod
Connecting Rod-to-Crankpin
Running Clearance @ 21°C
(70°F)
New
Max. Wear Limit
0.043/0.073 mm (0.0017/0.0029 in.)
0.088 mm (0.0035 in.)
Connecting Rod-to-Crankpin
Side Clearance
0.26/0.63 mm (0.0102/0.0248 in.)
Connecting Rod-to-Piston Pin
Running Clearance @ 21°C
(70°F)
0.015/0.028 mm (0.0006/0.0011 in.)
Piston Pin End I.D. @ 21°C
(70°F)
New
Max. Wear Limit
17.015/17.023 mm (0.6699/0.6702 in.)
17.036 mm (0.6707 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.)
Crankshaft
End Play (free)
0.025/0.635 mm (0.001/0.025 in.)
Bore (in crankcase)
New
Max. Wear Limit
40.972/40.997 mm (1.6131/1.6141 in.)
41.011 mm (1.6146 in.)
Bore (in oil pan)
New
40.974/41.000 mm (1.6131/1.6141 in.)
Crankshaft to Sleeve Bearing
(oil pan) Running Clearance
New
0.03/0.12 mm (0.001/0.005 in.)
Crankshaft Bore (oil pan)-to-
Crankshaft Running Clearance
New
0.039/0.087 mm (0.0015/0.0034 in.)
Flywheel End Main Bearing
Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper Limit
Max. Out-of-Round Limit
40.913/40.935 mm (1.6107/1.6116 in.)
40.843 mm (1.608 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.
5
Lubricate threads with engine oil prior to assembly.