Kohler COMMAND CV17-745 Service Manual page 15

Vertical crankshaft
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Kohler Engine Parts Call K&T 606-678-9623 or 606-561-4983
Muffler
Muffler Retaining Nuts Torque ................................................................ 24.4 N·m (216 in. lb.)
Oil Filter
Oil Filter Torque ..................................................................................... 10.4-12.7 N·m (90-110 in. lb.)
Oil Cooler
Oil Cooler/Adapter Nipple Torque ......................................................... 27 N·m (20 ft. lb.)
Piston, Piston Rings, and Piston Pin
Piston-to-Piston Pin Running Clearance ............................................... 0.006/0.017 mm (0.0002/0.0007 in.)
Piston Pin Bore I.D.
New ................................................................................................ 17.006/17.012 mm (0.6695/0.6698 in.)
Max. Wear Limit ............................................................................. 17.025 mm (0.6703 in.)
Piston Pin O.D.
New ................................................................................................ 16.995/17.000 mm (0.6691/0.6693 in.)
Max. Wear Limit ............................................................................. 16.994 mm (0.6691 in.)
Top Compression Ring-to-Groove Side Clearance
CV17 .............................................................................................. 0.040/0.085 mm (0.0016/0.0033 in.)
CV18, CV20, CV22 (624 cc) ........................................................... 0.040/0.080 mm (0.0016/0.0031 in.)
CV22/23 (674 cc) ............................................................................ 0.030/0.076 mm (0.0012/0.0030 in.)
CV25, CV26, CV730-745 ................................................................ 0.025/0.048 mm (0.0010/0.0019 in.)
Middle Compression Ring-to-Groove Side Clearance
CV17 .............................................................................................. 0.030/0.080 mm (0.0012/0.0031 in.)
CV18, CV20, CV22 (624 cc) ........................................................... 0.040/0.080 mm (0.0016/0.0031 in.)
CV22/23 (674 cc) ............................................................................ 0.030/0.076 mm (0.0012/0.0030 in.)
CV25, CV26, CV730-745 ................................................................ 0.015/0.037 mm (0.0006/0.0015 in.)
Oil Control Ring-to-Groove Side Clearance
CV17 .............................................................................................. 0.046/0.201 mm (0.0018/0.0079 in.)
CV18, CV20, CV22 (624 cc) ........................................................... 0.060/0.202 mm (0.0024/0.0080 in.)
CV22/23 (674 cc) ............................................................................ 0.046/0.196 mm (0.0018/0.0077 in.)
CV25, CV26, CV730-745 ................................................................ 0.026/0.176 mm (0.0010/0.0070 in.)
Top and Middle Compression Ring End Gap
New Bore - CV17
Top Ring ..................................................................................... 0.180/0.380 mm (0.0071/0.0150 in.)
Middle Ring ................................................................................ 0.180/0.440 mm (0.0071/0.0173 in.)
New Bore - CV18, CV20, CV22 (624 cc) ......................................... 0.25/0.45 mm (0.0098/0.0177 in.)
New Bore - CV22 (674 cc) .............................................................. 0.18/0.46 mm (0.0071/0.0181 in.)
New Bore - CV25, CV26, CV730-745 .............................................. 0.25/0.56 mm (0.0100/0.0224 in.)
Used Bore (Max.) - CV17
Top Ring ..................................................................................... 0.70 mm (0.028 in.)
Middle Ring ................................................................................ 0.90 mm (0.035 in.)
Used Bore (Max.) - CV18, CV20, CV22 (624 cc) ............................. 0.77 mm (0.030 in.)
Used Bore (Max.) - CV22/23 (674 cc) ............................................. 0.80 mm (0.0315 in.)
Used Bore (Max.) - CV25, CV26, CV730-745 .................................. 0.94 mm (0.037 in.)
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Safety and General Information
Section 1
1.13

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