CH20-64500 Page 1 of 30 Air Intake - Pg.
Ref # 1 2 3 4 5 6 Part Number 24 164 14-S M-0639055 24 041 01-S 24 041 06-S 24 094 03-S 24 126 23-S Qty 1 4 2 1 1 1 Description Manifold, intake Screw, hex. flange M6x1.0x55 Gasket, intake manifold Gasket, air cleaner base Base, air cleaner Bracket, air cleaner (20 mm stud) Use before Serial No.
CH20-64500 Page 3 of 30 Blower Housing & Baffles - Pg.
Ref # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Part Number 24 027 20-S 24 100 01-S 24 100 02-S 25 139 16-S M-0545016 M-0545020 M-0551016 24 146 02 M-0645016 24 063 20-S 24 063 17-S 24 063 24-S M-0545010 24 063 21 24 146 08 Qty Description 1 Housing, blower Includes 2-4 3 Nut, plastic 2 Nut, plastic 1 Plug, button 9/16" 5 Screw, hex. flange M5x0.8x16 2 Screw, hex. flange M5x0.8x20 1 Screw, hex. flange M5x0.8x16 1 Plate, backing - #2 side 6 Screw, hex. flange M6x1.
CH20-64500 Crankcase Page 5 of 30
Ref # 1 Part Number 3 4 5 6 7 8 9 10 13 13 14 14 14 15 16 16 16 17 17 17 17 17 17 17 18 28 12 380 03 52 139 09-S 24 032 01-S 24 144 01-S X-25-102-S 12 032 01-S X-25-63-S 12 380 04-S 24 067 01 24 067 02 24 874 01-S 24 874 02-S 24 874 03-S 24 018 01-S 24 108 01-S 24 108 02-S 24 108 03-S 12 422 07-S 12 422 08-S 12 422 09-S 12 422 10-S 12 422 11-S 12 422 12-S 12 422 13-S 24 012 05 52 139 02-S Qty 1 Description Crankcase (Service with Short Block or Miniblock.
CH20-64500 Crankshaft Page 7 of 30
Ref # 1 2 Part Number 24 014 04-S 52 139 09-S Qty 1 1 2 12 139 01-S 1 Description Crankshaft Includes 2 Plug, cup Use on engines with New Design - 16.88 mm, 5/8" diameter Plug, cup Use on engine with Original Design - 11.
CH20-64500 Page 9 of 30 Engine Controls - Pg.
Ref # 1 2 3 4 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Part Number M-0547050 24 089 03-S 25 452 13-S M-0645016 24 126 13 12 237 01-S SM-0545016 24 468 01-S 24 090 07-S M-0446030 24 090 03-S M-0401030 24 090 05-S 24 079 02-S 41 468 03-S SM-0545020 24 089 01-S 24 090 14-S 24 089 15-S M-0641060 M-0642025 25 158 11-S 24 079 01-S 25 158 08-S Qty Description 1 Nut, hex. flange M5x0.8 1 Spring, choke return 1 Terminal 4 Screw, hex. flange M6x1.0x16 1 Bracket, control 2 Clamp, cable 3 Screw, hex.
CH20-64500 Page 11 of 30 Exhaust - Pg.
Ref # 1 Part Number M-0829033 Qty 4 Description Stud, exhaust M8x1.25x33 CH20-64500 Page 12 of 30 Exhaust - Pg.
CH20-64500 Page 13 of 30 Fuel System - Pg.
Ref # 1 2 3 5 6 7 8 11 12 13 14 Part Number 25 353 10-S X-426-9-S 25 050 03-S 24 353 02-S 24 086 12-S 24 393 04 24 100 01-S 47 154 01-S M-0650012 M-0651030 24 853 02 Qty 2 6 1 1 2 1 2 1 1 2 1 Description Line, fuel 9" Clamp, hose Filter, fuel Replaced by 24-050-02 Line, fuel 15-1/2" Screw, hex. cap 18 mm Pump, fuel - pulse Nut, plastic Clip Order qty. according to design used on engine Screw, hex. flange M6x1.0x10 Screw, hex. flange M6x1.
CH20-64500 Gasket Set Page 15 of 30
Ref # Part Number 24 755 107-S 24 050 01-S 24 041 06-S 24 041 14-S 24 041 23-S 24 041 15-S 24 041 17-S 24 041 53-S 24 041 08-S 24 041 02-S 24 041 13-S 24 041 01-S 24 041 29-S 24 100 10-S 24 153 01-S 24 153 08-S 12 153 01-S 25 153 02-S 12 153 02-S 24 153 21-S 24 153 27-S 24 153 23-S 24 018 09-S 12 086 16-S 24 032 04-S 230046-S 24 032 01-S 12 032 01-S 24 032 03-S 52 032 08-S 66 032 05-S 24 072 09-S 24 468 16-S Qty Description 1 Gasket Set 1 Filter, breather 1 Gasket, air cleaner base 1 Gasket, air cleaner b
CH20-64500 Page 17 of 30 Head/Valve/Breather - Style "A"
Ref # 1 2 3 4 7 8 9 10 11 Part Number 24 755 75-S 24 153 12 24 153 09-S 24 086 32-S 25 755 13-S 12 153 03-S 24 445 01-S M-0640034 24 755 61 Qty 1 2 1 8 1 1 1 4 1 Description Kit, valve cover - oil fill Includes 2-5 O-Ring O-Ring Screw, hex. cap - shoulder M6x1.0x23 Kit, oil fill cap Includes 8 O-Ring Strap, lifting Screw, hex. flange M6x1.0x34 Kit, valve train Includes 12-15,39. For individual component reference only, before Serial No. 2520800017.
CH20-64500 Page 19 of 30 Head/Valve/Breather - Style "B"
Ref # 1 2 3 4 7 8 9 10 37 38 40 42 Part Number 24 755 75-S 24 153 12 24 153 09-S 24 086 32-S 25 755 13-S 12 153 03-S 24 445 01-S M-0640034 24 318 10-S 24 041 08-S 12 351 01 24 755 66-S 43 44 45 24 599 01-S 25 186 01-S 24 411 05-S Qty Description 1 Kit, valve cover - oil fill Includes 2-5 2 O-Ring 1 O-Ring 8 Screw, hex. cap - shoulder M6x1.0x23 1 Kit, oil fill cap Includes 8 1 O-Ring 1 Strap, lifting 4 Screw, hex. flange M6x1.
CH20-64500 Page 21 of 30 Ignition/Electrical - Pg.
Ref # 1 2 3 4 5 6 7 8 9 10 11 12 14 16 17 18 19 20 21 22 Part Number 24 085 01 M-0548025 24 584 01-S SM-0545020 24 025 01-S X-42-15-S 12 468 03-S 12 086 14-S 24 157 01-S 12 112 01 M-0639016 24 162 03-S X-25-92-S 12 132 02-S 25 403 03-S 24 086 18-S 236602-S X-25-63-S 235173-S 48 154 02-S 24 518 04 24 518 06-S Qty Description 1 Stator (15 amp) 2 Screw, hex. cap M5x0.8x25 2 Module, ignition 4 Screw, hex. flange M5x0.8x20 1 Flywheel 1 Key 1 Washer, plain 3/8" 1 Screw, hex. flange M10x1.
CH20-64500 Page 23 of 30 Ignition/Electrical - Pg.
Ref # 1 2 5 6 7 8 9 10 11 14 16 17 18 19 38 43 44 48 Part Number 24 085 01 M-0548025 24 025 01-S X-42-15-S 12 468 03-S 12 086 14-S 24 157 01-S 12 112 01 M-0639016 X-25-92-S 12 132 02-S 25 403 03-S 24 086 18-S 236602-S 24 018 03-S 15 155 01-S 277563-S 25 155 06-S 24 518 04 24 518 06-S Qty Description 1 Stator (15 amp) 2 Screw, hex. cap M5x0.8x25 1 Flywheel 1 Key 1 Washer, plain 3/8" 1 Screw, hex. flange M10x1.5x76 1 Fan 4 Spacer, fan 4 Screw, hex. flange M6x1.
CH20-64500 Page 25 of 30 Oil Pan/Lubrication - Pg.
Ref # 1 2 3 4 5 6 7 8 Part Number 24 009 82-S 52 032 08-S 24 153 08-S 12 144 02-S 52 448 02-S 24 043 12-S 12 380 01-S 24 393 03-S Qty 1 1 1 1 1 1 1 1 8 24 393 10-S 1 9 10 10 11 12 13 15 20 21 22 23 24 24 153 01-S 24 381 03-S 24 381 04-S M-0631005 M-0645025 24 123 08-S 24 038 06-S 24 136 01-S 12 050 01-S 24 086 16-S 25 155 02-S 52 099 06 Description Plate assembly, closure Includes 2-10,13,15 Seal, oil (PTO end) O-Ring Shaft, governor gear Tab, locking Kit, governor gear w/pin Includes 7 Pin, governo
CH20-64500 Page 27 of 30 Starting System - Pg.
Ref # 13 14 15 Part Number M-0841080 M-0839080 12 098 03-S 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 52 211 05-S 12 301 01-S 52 168 01-S 52 089 09-S 52 323 03-S 52 221 01-S 12 471 01-S 52 100 09-S 52 435 02-S 12 170 03-S 12 239 01-S 52 100 08 52 141 03 52 468 14 12 090 10-S 12 081 02-S 52 100 10-S Qty 1 2 1 Description Nut, hex. flange M8x1.25 Screw, hex. flange M8x1.25x80.6 Starter, solenoid shift Includes 16-32. Use before Serial No. 2309800017 2 Bolt, thru M5x0.
CH20-64500 Page 29 of 30 Starting System - Pg.
Ref # 13 14 33 Part Number M-0841080 M-0839080 24 098 01-S 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 211 05-S 24 301 01-S 52 168 01-S 52 089 09-S 52 323 03-S 52 221 01-S 12 471 01-S 52 100 09-S 52 435 02-S 12 170 03-S 12 239 01-S 52 100 08 52 141 03 52 468 14 12 090 10-S 24 081 04-S 52 100 10-S 24 098 01-S 52 82 755 84 Qty 1 2 1 Description Nut, hex. flange M8x1.25 Screw, hex. flange M8x1.25x80.6 Starter, solenoid shift Includes 34-50. Use after Serial No.
