Kohler CH20-64500 User Manual

CH20-64500 Page 1 of 30 Air Intake - Pg. 51

Ref # Part Number Qty Description

1 24 164 14-S Manifold, intake1 2 M-0639055 Screw, hex. flange M6x1.0x554 3 24 041 01-S Gasket, intake manifold2 4 24 041 06-S Gasket, air cleaner base1 5 24 094 03-S Base, air cleaner1 6 24 126 23-S Bracket, air cleaner (20 mm stud) Use before Serial No.

2422900017

7 M-0639016 Screw, hex. flange M6x1.0x163 8 47 083 03-S Element, air cleaner1

9 24 083 02-S Element, precleaner1 10 24 096 01-S Cover, inner air cleaner1 11 24 032 03-S Seal, inner - air cleaner1 12 12 100 01-S Nut, wing1

CH20-64500 Page 2 of 30 Air Intake - Pg. 51

13 24 380 03-S Pin, latch lever Use before Serial No. 24229000172 14 24 344 01-S Latch, lever Use before Serial No. 24229000172 15 24 089 04 Spring, latch Use before Serial No. 24229000172 16 24 096 03 Cover, air cleaner Use before Serial No. 2422900017, for

reference only, no longer available separately. Replaced by 24-743-05.

18 24 109 03 Cup, fuel spitback 27.5 mm stud CV18-251 19 24 126 21-S Bracket, air cleaner 30 mm stud CH18-221 20 24 743 05-S Kit, air cleaner cover Includes 18,19,21-23. Use before

Serial No. 2422900017; after Serial No. 2422900007, or after installation of kit, individual kit components may be ordered for replacement

21 24 096 24-S Cover, air cleaner1 22 24 755 91 Kit, air cleaner knob w/gasket Includes 231 23 25 341 02 Knob, air cleaner cover1

CH20-64500 Page 3 of 30

Blower Housing & Baffles - Pg. 32

Ref # Part Number Qty Description

1 24 027 20-S Housing, blower Includes 2-41

2 24 100 01-S Nut, plastic3

3 24 100 02-S Nut, plastic2

4 25 139 16-S Plug, button 9/16"1

5 M-0545016 Screw, hex. flange M5x0.8x165

6 M-0545020 Screw, hex. flange M5x0.8x202

7 M-0551016 Screw, hex. flange M5x0.8x161

8 24 146 02 Plate, backing - #2 side1

9 M-0645016 Screw, hex. flange M6x1.0x166 10 24 063 20-S Baffle, cylinder barrel - #2 side1 11 24 063 17-S Baffle, valley - #2 side1 12 24 063 24-S Baffle, valley - #1 side1 13 M-0545010 Screw, hex. flange M5x0.8x102 14 24 063 21 Baffle, cylinder barrel - #1 side Replaced by 24-063-301 15 24 146 08 Plate, backing - #1 side1

CH20-64500 Page 4 of 30

CH20-64500 Page 5 of 30 Crankcase

Ref # Part Number Qty Description

1 Crankcase (Service with Short Block or Miniblock. Refer to

Selection Guide TP-2470)

3 12 380 03 Pin, dowel locating6

4 52 139 09-S Plug, cup1

5 24 032 01-S Seal, oil front1

6 24 144 01-S Shaft, governor cross1

7 X-25-102-S Washer, plain 1/4"1

8 12 032 01-S Seal, governor cross shaft1

9 X-25-63-S Washer, plain 1/4"1 10 12 380 04-S Pin, hitch1 13 24 067 01 Connecting Rod (Std.) Replaced by 24-067-052 13 24 067 02 Connecting Rod (.25) To be replaced by 24-067-062 14 24 874 01-S Piston w/Ring Set (Std.) Includes 15,162

CH20-64500 Page 6 of 30 Crankcase

14 24 874 02-S Piston w/Ring Set (.25) Includes 15,162 14 24 874 03-S Piston w/Ring Set (.50) Includes 15,162 15 24 018 01-S Retainer, piston pin4 16 24 108 01-S Ring Set (Std.)2 16 24 108 02-S Ring Set (.25)2 16 24 108 03-S Ring Set (.50)2 17 12 422 07-S Shim, camshaft (A.R.) (white) (.02725 - .02875)1 17 12 422 08-S Shim, camshaft (A.R.) (blue) (.02925 - .03075)1 17 12 422 09-S Shim, camshaft (A.R.) (red) (.03125 - .03275)1 17 12 422 10-S Shim, camshaft (yellow) (.03325 - .03475)1 17 12 422 11-S Shim, camshaft (A.R.) (green) (.03525 - .03675)1 17 12 422 12-S Shim, camshaft (A.R.) (gray) (.03725 - .03875)1 17 12 422 13-S Shim, camshaft (A.R.) (black) (.03925 - .04075)1 18 24 012 05 Camshaft1 28 52 139 02-S Plug, hex. hd. 3/8" N.P.T.F.2

CH20-64500 Page 7 of 30 Crankshaft

Ref # Part Number Qty Description

1 24 014 04-S Crankshaft Includes 21

2 52 139 09-S Plug, cup Use on engines with New Design - 16.88 mm,

5/8" diameter

2 12 139 01-S Plug, cup Use on engine with Original Design - 11.40 mm,

7/16" diameter

CH20-64500 Page 8 of 30 Crankshaft

CH20-64500 Page 9 of 30 Engine Controls - Pg. 47

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