Kohler Comand Pro CH1000

1.13
Section 1
Safety and General Information
1
Valves and Valve Lifters
Hydraulic Valve Li er to Crankcase Running Clearance ......................... 0.012/0.050 mm (0.0004/0.0019 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 ............................................................................................................ 7.038/7.058 mm (0.2771/0.2779 in.)
Max. Wear Limit ....................................................................................... 7.135 mm (0.2809 in.)
Exhaust Valve Guide I.D.
New ............................................................................................................ 7.038/7.058 mm (0.2771/0.2779 in.)
Max. Wear Limit ....................................................................................... 7.159 mm (0.2819 in.)
Valve Guide Reamer Size
Standard .................................................................................................... 7.048 mm (0.2775 in.)
0.25 mm O.S. ............................................................................................. 7.298 mm (0.2873 in.)
Nominal Valve Face Angle ............................................................................ 45°
General Torque Values
Metric Fastener Torque Recommendations for Standard Applications
Tightening Torque: N·m (in. lb.) + or - 10%
Property Class
Noncritical
Fasteners
Into Aluminum
Size
M4 1.2 (11) 1.7 (15) 2.9 (26) 4.1 (36) 5.0 (44) 2.0 (18)
M5 2.5 (22) 3.2 (28) 5.8 (51) 8.1 (72) 9.7 (86) 4.0 (35)
M6 4.3 (38) 5.7 (50) 9.9 (88) 14.0 (124) 16.5 (146) 6.8 (60)
M8 10.5 (93) 13.6 (120) 24.4 (216) 33.9 (300) 40.7 (360) 17.0 (150)
Tightening Torque: N·m (ft. lb.) + or - 10%
Property Class
Noncritical
Fasteners
Into Aluminum
M10 21.7 (16) 27.1 (20) 47.5 (35) 66.4 (49) 81.4 (60) 33.9 (25)
M12 36.6 (27) 47.5 (35) 82.7 (61) 116.6 (86) 139.7 (103) 61.0 (45)
M14 58.3 (43) 76.4 (55) 131.5 (97) 184.4 (136) 219.7 (162) 94.9 (70)
5.8
8.8 10.9 12.9
4.8
5.8
10.9
12.9
4.8
8.8