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HM80-155375L Page 1 of 10
Engine Parts List #1
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HM80-155375L Page 2 of 10
Engine Parts List #1
Ref # Part Number Qty Description
1 35385 Cylinder (Incl. 2,20,72,72A) (3-1/8" Bore)
2 27652 Pin, Dowel
15 30699C Rod Assy., Governor (Incl. 15A & 15B)
15A 30700 Yoke, Governor
15B 650494 Screw, 6-40 x 5/16"
16 33454 Governor Lever Assy.
17 29916 Clamp, Governor lever
18 650548 Screw, 8-32 x 5/16"
20 35319 Seal, Oil
25 36460 Baffle, Blower housing
26 650561 Screw, 1/4-20 x 5/8"
30 35372A Crankshaft
35 29826 Screw, 10-32 x 3/4"
36 29918 Lockwasher, # 8 E.T.
37 29216 Nut & Lockwasher, 10-32
37A 30322 Locknut, 8-32
38 29642 Ring, Retaining
40 34552 Piston, Pin & Ring Set (Std.) (3-1/8" Bore)
40 34553 Piston, Pin & Ring Set (.010" OS)
40 34554 Piston, Pin & Ring Set (.020" OS)
41 34329A Piston & Pin Ass'y. (3-1/8")(Std.)(In cl. 43)
41 34330A Piston & Pin Ass'y. (.010" OS) (Incl. 43)
41 34331A Piston & Pin Ass'y. (.020" OS) (Incl. 43)
42 34332 Ring Set (Std.) (3-1/8" Bore)
42 34333 Ring Set (.010" OS)
42 34334 Ring Set (.020" OS)
43 27888 Ring, Piston pin retaining
45 35373A Rod Assy., Connecting (Incl. 49)
46 650908 Bolt, Connecting rod
47 650882 Bolt, Connecting rod
48 34034 Lifter, Valve
49 35374 Dipper, Oil
50 35375 Camshaft (MCR)
60 33273A Extension, Blower housing
65 650128 Screw, 10-24 x 1/2"
69 35262 * Gasket, Cylinder cover
70 35376 Cover, Cylinder (Incl. 75, 80, 311 & 312)
71 35377 Bushing, Crankshaft
72A 9556 Plug, Pipe
72 27642 Plug, Oil drain
75 35319 Seal, Oil
80 31845 Shaft, Mechanical governor
81 30590A Washer, Flat
82 35378 Gear Assy., Governor (Incl. 81)
83 30588A Spool, Governor
84 29193 Ring, Retaining
86 650833 Screw, 1/4-20 x 1-3/16"
87 650832 Screw, 1/4-20 x 1-11/16"
89 32589 Key, Flywheel
90 611090 Flywheel
92 650880 Washer, Belleville
93 650881 Hex Nut, 5/8-18
100 35135 Lamination Assy., Solid State
102 650872 Stud, Lamination mounting
103 650814 Screw, Torx T-15, 10-24 x 1"
119 34041A * Gasket, Head
120 34030A Head, Cylinder
125 27878A Exhaust Valve (Std.) (Incl. 151)
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HM80-155375L Page 3 of 10
Engine Parts List #1
Ref # Part Number Qty Description
125 27880A Exhaust Valve (1/32" OS) (Incl. 151)
126 34035 Intake Valve (Std.) (Incl. 151)
126 34036 Intake Valve (1/32" OS) (Incl. 151)
127 650691 Washer (Use as req., but not w/6021A screw)
128 650690 Washer, Belleville
129 650727 Screw, 5/16-18 x 1-3/4" (Use as requi red)
130 650694A Screw, 5/16-18 x 2" (Use as required)
130A 6021A Screw, 5/16-18 x 1-1/2" (Use as req.,but not w/650691
washer)
131A 650713 Screw, 5/16-18 x 5/8" (Use as require d)
139 33369 Bracket, Governor gear
140 650836 Screw, 10-24 x 1/2"
149A 27882 Cap, Upper valve spring
149A 35862 Seal Assy., Intake valve
149 27882 Cap, Upper valve spring
150 27881 Spring, Valve
151 32581 Cap, Lower valve spring
169 27896A * Gasket, Breather cover
170 28423 Body, Breather
171 28424 Element, Breather
172 28425 Cover, Valve spring
173 35350 Tube, Breather
178 29752 Nut & Lockwasher, 1/4-28
182 30088A Screw, 1/4-28 x 1"
184 33263 * Gasket, Carburetor
185 34707 Pipe, Intake
186 34661 Link, Governor
200 34664 Control Bracket (Incl. 203, 204, 206 & 209)
203 31342 Spring, Compression
204 650549 Screw, 5-40 x 7/16"
206 610973 Terminal Assy. (Use as required)
207 33878 Link, Governor-to-throttle
209 650821 Screw, 10-32 x 1/2"
210 27793 Clip, Conduit
211 28942 Screw, 10-32 x 3/8"
223 650378 Screw, Torx T-30, 5/16-18 x 1-1/8"
224 27915A * Gasket, Intake pipe
242 33267 Bracket, Air cleaner
260 33375D Blower Housing (For electric starter)
261 650788 Screw, 5/16-18 x 3/4"
262 29747B Screw, 5/16-24 x 21/32"
265 33272B Cover, Cylinder head
275 33280A Muffler
276 35740 Plate, Muffler locking
277 650729 Screw, 5/16-18 x 3-3/16"
281 33013 Cover, Starter bubble
282 650760 Screw, 8-32 x 3/8"
285 35287 Cup, Starter
286 35446 Screen, Starter (Stationary)
287 29752 Nut & Lockwasher, 1/4-28
290 30705 Fuel Line (Braided 16") (41 cm)
292 26460 Clamp, Fuel line
298 650665 Screw, 1/4-15 x 7/8"
300 34156A Fuel Tank (Incl. 292 & 301) NOTE: These tanks were
builtwith different size fuel inlet openings. Tanks with the
1-3/16" I.D. opening use fuel cap 34210. Tanks with the
1-1/2" I.D. opening use fuel cap 35355.
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HM80-155375L Page 4 of 10
Engine Parts List #1
Ref # Part Number Qty Description
301 35355 Fuel Cap
305 35554 Tube, Oil fill
306 29673 * Gasket, Oil fill
306 35499 "O" Ring
308 35540 Clip, Fill tube
310A 35941 Dipstick (Incl. 306)
325 34246 Clip, Ground wire (Use as required)
325B 29443 Clip, Fuel line (Use as required)
327 35392 Plug, Starter
329 610973 Terminal Assy.
330 34069 Wire Harness (6-3/4") (7 Amp)
336 650765 Screw, 10-32 x 1/2"
340 34154 Plate, Fuel tank mounting
342 650561 Screw, 1/4-20 x 5/8"
370B 34387 Decal, Instruction Can be used on HM80 with stamped steel
recoil starter.
370A 34686 Decal, Name
370 34346 Decal, Instruction
370 35274 Decal, Instruction
370J 34870 Decal, Instruction Can be used on HM80 with diecast starter.
379 631021 Inlet Needle, Seat & Clip Assy.
380 632351 Carburetor (Incl. 184) (Refer to Division 5, Section A, page
A3-14 for breakdown or Fiche 18A-2, Grid F-7)
390A 590685 Rewind Starter (Refer to Division 5, Section C, page 30 for
breakdown or Fiche 18A-2, Grid G-1)
400 33279G Gasket Set (Incl. items marked*)
407 35836 Fill Tube & Dipstick Assy. (Incl. 306 & 308)
420 730225 SAE 30, 4-Cycle Engine Oil (Quart)
421 730226 SAE 5W30, 4-Cycle Engine Oil (Quart)
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HM80-155375L Page 5 of 10
Engine Parts List #2
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HM80-155375L Page 6 of 10
Engine Parts List #2
Ref # Part Number Qty Description
1 35385 Cylinder (Incl. 2,20,72,72A) (3-1/8" Bore)
2 27652 Pin, Dowel
72 27642 Plug, Oil drain
169 27896A * Gasket, Breather cover
170 28423 Body, Breather
171 28424 Element, Breather
172 28425 Cover, Valve spring
173 35350 Tube, Breather
178 29752 Nut & Lockwasher, 1/4-28
207 33878 Link, Governor-to-throttle
227 730127 Air Cleaner Ass'y. (Incl. 238, 239, 240, 241, 243, 245 &
370)(Use as required)
227 730164 Air Cleaner Ass'y. (Incl. 238, 239, 240, 241, 243 & 245) (Use
as required)
228 650824 Stud, 1/4-20 x 7.33 (Use as required)
228 650851 Stud, 1/4-20 x 8.1 (Use as required)(Used with drilled thru
elbow)
240 33269A Cover, Air cleaner
241 33266 Bracket, Air cleaner
242 33267 Bracket, Air cleaner
245 33268 Element, Air cleaner
251 650513 Nut, Wing, 1/4-20
275 33280A Muffler
276 35740 Plate, Muffler locking
277 650729 Screw, 5/16-18 x 3-3/16"
292 26460 Clamp, Fuel line
305 35554 Tube, Oil fill
306 29673 * Gasket, Oil fill
306 35499 "O" Ring
310A 35941 Dipstick (Incl. 306)
370J 34870 Decal, Instruction Can be used on HM80 with diecast starter.
370B 34387 Decal, Instruction Can be used on HM80 with stamped steel
recoil starter.
380 632351 Carburetor (Incl. 184) (Refer to Division 5, Section A, page
A3-14 for breakdown or Fiche 18A-2, Grid F-7)
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HM80-155375L Page 7 of 10
Engine Parts List #3
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HM80-155375L Page 8 of 10
Engine Parts List #3
Ref # Part Number Qty Description
16 33454 Governor Lever Assy.
17 29916 Clamp, Governor lever
18 650548 Screw, 8-32 x 5/16"
30 35372A Crankshaft
35 29826 Screw, 10-32 x 3/4"
36 29918 Lockwasher, # 8 E.T.
37A 30322 Locknut, 8-32
37 29216 Nut & Lockwasher, 10-32
38 29642 Ring, Retaining
69 35262 * Gasket, Cylinder cover
70 35376 Cover, Cylinder (Incl. 75, 80, 311 & 312)
75 35319 Seal, Oil
86 650833 Screw, 1/4-20 x 1-3/16"
87 650832 Screw, 1/4-20 x 1-11/16"
89 32589 Key, Flywheel
130A 6021A Screw, 5/16-18 x 1-1/2" (Use as req.,but not w/650691
washer)
131A 650713 Screw, 5/16-18 x 5/8" (Use as require d)
131 650802 Screw, 1/4-20 x 5/8" (Use as required )
131 650738 Screw, 1/4-20 x 5/8 (Use as required)
242 33267 Bracket, Air cleaner
274 35865 Gasket, Exhaust (Use as required)
275 33280A Muffler
277 650729 Screw, 5/16-18 x 3-3/16"
298 650665 Screw, 1/4-15 x 7/8"
301 35355 Fuel Cap
341C 34155 Bracket, Fuel tank mounting
370J 34870 Decal, Instruction Can be used on HM80 with diecast starter.
415 730130 Exh.Adaptor Kit (Incl.274,277)(As req uired)
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HM80-155375L Page 9 of 10
Engine Parts List #4
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HM80-155375L Page 10 of 10
Engine Parts List #4
Ref # Part Number Qty Description
103 650814 Screw, Torx T-15, 10-24 x 1"
242 33267 Bracket, Air cleaner
275C 35824 Muffler (Optional quiet muffler)
277A 650696 Screw, 5/16-18 x 2-3/4" (Used with 27 6A)
301 35355 Fuel Cap
327 35392 Plug, Starter
342 650561 Screw, 1/4-20 x 5/8"
370B 34387 Decal, Instruction Can be used on HM80 with stamped steel
recoil starter.
370J 34870 Decal, Instruction Can be used on HM80 with diecast starter.
408 35570 Seal, Screen (Can be used on HM80 with stamped steel
recoil starter.)
409 35569 Spacer, Screen
410 730573 Debris Screen Kit (Incl. 327, 370B, 408, 409, 411 & 413)
411 35568 Screen, Debris
413 650907 Screw, 5/16-18 x 1-5/8" (Can be used on HM80 with
stamped steel recoil starter)
415 730130 Exh.Adaptor Kit (Incl.274,277)(As req uired)
425 730572 Starter Muff Kit (Incl. 370J, 426 & 4 27)
426 34687 Air cleaner, Starter
427 34869 Starter Air Cleaner Bracket (Optional )
429 650868 Screw, 8-18 x 1-1/8" (3 Required)
430 611077 Alternator, Add on
431 590609 Centering tube (Use with engines equipped with diecast
aluminum starter)
431 590610 Centering tube
432 611078 A.C. Lighting Connector
432 611079 D.C. Charging Connector
433 590611 Alternator Shaft (4.00") (Use with engines equipped with
diecast aluminum starter)
433 590636 Alternator Shaft (Use with engines equipped with stamped
steel starter) (Use as required) (Refer to Mechanic's
Handbook for installation instructions).
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