Specifications
10
24 690 37 Rev. B
KohlerEngines.com
CLEARANCE SPECIFICATIONS
3
CV682
CV732
CV742
CV752
Piston, Piston Rings, and Piston Pin
Piston-to-Piston Pin Running Clearance
0.006/0.017 mm (0.0002/0.0007 in.)
Pin Bore I.D.
New
Max. Wear Limit
17.006/17.012 mm (0.6695/0.6698 in.)
17.025 mm (0.6703 in.)
Pin O.D.
New
Max. Wear Limit
16.995/17.000 mm (0.6691/0.6693 in.)
16.994 mm (0.6691 in.)
Top Compression Ring-to-Groove Side Clearance
0.030/0.070 mm (0.001/0.0026 in.)
Middle Compression Ring-to-Groove Side Clearance
0.030/0.070 mm (0.001/0.0026 in.)
Oil Control Ring-to-Groove Side Clearance
0.060/0.190 mm (0.0022/0.0073 in.)
Top Compression Ring End Gap
New Bore
0.100/
0.279 mm
(0.0039/
0.0110 in.)
0.189/0.277 mm
(0.0074/0.0109 in.)
Used Bore (Max)
0.490 mm
(0.0192 in.)
0.531 mm (0.0209 in.)
Middle Compression Ring End Gap
New Bore
1.400/
1.679 mm
(0.0551/
0.0661 in.)
1.519/1.797 mm
(0.0598/0.0708 in.)
Used Bore (Max)
1.941 mm
(0.0764 in.)
2.051 mm (0.0808 in.)
Thrust Face O.D.
New
79.966 mm
(3.1483 in.)
8
82.978 mm (3.2668 in.)
7
Max. Wear Limit
79.821 mm
(3.1426 in.)
8
82.833 mm (3.2611 in.)
7
Piston Thrust Face-to-Cylinder Bore Running
Clearance
New
0.025/
0.068 mm
(0.0010/
0.0027 in.)
8
0.019/0.062 mm (0.0007/0.0024 in.)
7
3
Values are in Metric units. Values in parentheses are English equivalents.
7
Measure 6 mm (0.2362 in.) above bottom of piston skirt at right angles to piston pin.
8
Measure 13 mm (0.5118 in.) above bottom of piston skirt at right angles to piston pin.
