Speci
fi
cations
12
19 690 01 Rev. --
KohlerEngines.com
CLEARANCE SPECIFICATIONS
3
ECV850
ECV860
ECV870
ECV880
Camshaft
End Play
0.147/0.495 mm (0.006/0.019 in.)
Running Clearance
0.025/0.105 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
19.920/19.975 mm (0.7842/0.7864 in.)
19.917 mm (0.7841 in.)
Cam Lobe Pro
fi
le (minimum dimension, measured from base circle
to top of lobe)
Exhaust
21.47 mm (0.8452 in.)
Intake
21.47 mm (0.8452 in.)
Connecting Rod
Crankpin End I.D. @ 70°F
New
Max. Wear Limit
48.030/48.037 mm (1.8910/1.8912 in.)
48.021 mm (1.8906 in.)
Connecting Rod-to-Crankpin Running Clearance
New
Max. Wear Limit
0.030/0.055 mm (0.0012/0.0022 in.)
0.070 mm (0.0028 in.)
Connecting Rod-to-Crankpin Side Clearance
0.31/0.65 mm (0.0122/0.0256 in.)
Connecting Rod-to-Piston Pin Running Clearance
0.006/0.016 mm (0.0002/0.0006 in.)
Piston Pin End I.D. @ 70°F
New
Max. Wear Limit
22.015/22.023 mm (0.8667/0.8670 in.)
22.036 mm (0.8676 in.)
Crankcase
Governor Cross Shaft Bore I.D. (Mechanical Governor)
New
Max. Wear Limit
7.949/8.000 mm (0.3130/0.3150 in.)
7.936 mm (0.3124 in.)
Crankshaft
End Play (free)
0.104/0.532 mm (0.0041/0.0209 in.)
Bore (in crankcase)
New
45.043/45.069 mm (1.7733/1.7744 in.)
Crankshaft Bore (in crankcase)-to-Crankshaft Running Clearance
New
0.043/0.091 mm (0.0017/0.0036 in.)
Bore (in oil pan)
New
45.043/45.069 mm (1.7733/1.7744 in.)
Crankshaft Bore (in oil pan)-to-Crankshaft Running Clearance
New
0.043/0.091 mm (0.0017/0.0036 in.)
Oil Pan End Main Bearing Journal
O.D. - New
O.D. - Max. Wear Limit
Max.
Taper
Max.
Out-of-Round
44.978/45.000 mm (1.7708/1.7716 in.)
44.908 mm (1.7680 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
Connecting Rod Journal
O.D. - New
O.D. - Max. Wear Limit
Max.
Taper
Max.
Out-of-Round
Width
53.00/53.15 mm (2.0866/2.0925 in.)
52.991 mm (2.0862 in.)
0.018 mm (0.0007 in.)
0.025 mm (0.0010 in.)
53.000/53.150 mm (2.0866/2.0925 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.