Kohler Command CH750

Specifi cations
12 24 690 06 Rev. CKohlerEngines.com
CLEARANCE SPECIFICATIONS
3
CH18/CH20/
CH22/
CH620-CH640
CH22/CH23/
CH670-CH680
CH25/
CH730/CH740
CH750
Piston, Piston Rings, and Piston Pin (continued)
Thrust Face O.D.
7
New 76.967/
76.985 mm
(3.0302/
3.0309 in.)
79.963/
79.979 mm
(3.1481/
3.1488 in.)
82.986 mm (3.2671 in.)
Max. Wear Limit 76.840 mm
(3.0252 in.)
79.831 mm
(3.1430 in.)
82.841 mm (3.2614 in.)
Piston Thrust Face-to-Cylinder Bore
7
Running
Clearance
New
0.014/
0.057 mm
(0.0005/
0.0022 in.)
0.021/
0.062 mm
(0.0008/
0.0024 in.)
0.001/0.045 mm
(0.039/0.0018 in.)
Valves and Valve Lifters
Hydraulic Valve Lifter to Crankcase Running Clearance 0.0241/0.0501 mm (0.0009/0.0020 in.)
Intake Valve Stem-to-Valve Guide Running Clearance 0.038/0.076 mm (0.0015/0.0030 in.)
Exhaust Valve Stem-to-Valve Guide Running Clearance 0.050/0.088 mm (0.0020/0.0035 in.)
Intake Valve Guide I.D.
New
Max. Wear Limit
7.038/7.058 mm (0.2771/0.2779 in.)
7.134 mm (0.2809 in.)
Exhaust Valve Guide I.D.
New
Max. Wear Limit
7.038/7.058 mm (0.2771/0.2779 in.)
7.159 mm (0.2819 in.)
Valve Guide Reamer Size
Standard
0.25 mm O.S
7.048 mm (0.2775 in.)
7.298 mm (0.2873 in.)
Intake Valve Minimum Lift 8.07 mm (0.3177 in.)
Exhaust Valve Minimum Lift 8.07 mm (0.3177 in.)
Nominal Valve Seat Angle 45°
3
Values are in Metric units. Values in parentheses are English equivalents.
7
Measure 6 mm (0.24 in.) above bottom of piston skirt at right angles to piston pin.