Kohler Command PRO CH260 [16/100] Specifi cations

Kohler Command PRO CH395 [16/100] Specifi cations
16
Speci cations
KohlerEngines.com 17 690 01 Rev. J
CLEARANCE SPECIFICATIONS
3
CH260/CH270 CH395 CH440
Piston, Piston Rings, and Piston Pin (continued)
Oil Control Ring-to-Groove Side Clearance 0.05/0.19 mm (0.0019/0.0075 in.) 0.09/0.15 mm
(0.0035/0.0059 in.)
Piston Thrust Face O.D.
New 69.975/69.995 mm
(2.755/2.756 in.)
7
77.955/77.975 mm
(3.069/3.070 in.)
8
88.955/88.975 mm
(3.502/3.503 in.)
9
Max. Wear Limit 69.82 mm
(2.749 in.)
77.82 mm
(3.064 in.)
88.82 mm
(3.497 in.)
Piston Thrust Face-to-Cylinder Bore Running
Clearance
0.057/0.075 mm
(0.002/0.003 in.)
7
0.033/0.067 mm
(0.001/0.003 in.)
8
0.025/0.060 mm
(0.001/0.002 in.)
9
Valves and Valve Tappets
Intake and Exhaust Valve Lash 0.0762/0.127 mm (0.003/0.005 in.)
Intake Valve Stem-to-Valve Guide Running Clearance 0.038/0.065 mm
(0.0015/0.0026 in.)
0.025/0.055 mm (0.0010/0.0022 in.)
Exhaust Valve Stem-to-Valve Guide Running Clearance 0.085/0.112 mm
(0.0033/0.0044 in.)
0.040/0.07 mm (0.0016/0.0028 in.)
Intake Valve Stem O.D.
New
5.50 mm
(0.217 in.)
6.57 mm (0.259 in.)
Max. Wear Limit 5.34 mm
(0.210 in.)
6.40 mm (0.252 in.)
Exhaust Valve Stem O.D.
New 5.438 mm
(0.214 in.)
6.55 mm (0.258 in.)
Max. Wear Limit 5.28 mm
(0.208 in.)
6.41 mm (0.252 in.)
Intake Valve Stem to Guide
New 0.024/0.039 mm
(0.0009/0.0015 in.)
0.025/0.055 mm (0.0010/0.0022 in.)
Max. Wear Limit 0.10 mm
(0.0039 in.)
0.13 mm
(0.0051 in.)
0.14 mm
(0.0055 in.)
Exhaust Valve Stem to Guide
New 0.098/0.112 mm
(0.0038/0.0044 in.)
0.040/0.070 mm (0.0016/0.0028 in.)
Max. Wear Limit 0.12 mm
(0.0047 in.)
0.10 mm
(0.0039 in.)
0.11 mm
(0.0043 in.)
Valve Guide Reamer Size
Standard Intake
5.524 mm (0.2175
in.)
6.608 mm (0.2602 in.)
Standard Exhaust 5.536 mm (0.2179
in.)
6.608 mm (0.2602 in.)
Valve Seat Width 0.80 mm (0.0315
in.)
1.10 mm (0.0433
in.)
1.20 mm (0.0472
in.)
Nominal Valve Face Angle 45°
3
Values are in Metric units. Values in parentheses are English equivalents.
7
Measure 21.8-22.2 mm (0.8583-0.8740 in.) above bottom of piston skirt at right angles to piston pin.
8
Measure 17.8-18.2 mm (0.7008-0.7165 in.) above bottom of piston skirt at right angles to piston pin.
9
Measure 29.8-30.2 mm (1.1732-1.1890 in.) above bottom of piston skirt at right angles to piston pin.

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