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HM100-159189J Page 1 of 10
Engine Parts List #1
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HM100-159189J Page 2 of 10
Engine Parts List #1
Ref # Part Number Qty Description
1 35371 Cylinder (CI liner)(3-5/16")(Incl.2,2 0 & 72)
2 27652 Pin, Dowel
15A 30700 Yoke, Governor
15 30699C Rod Assy., Governor (Incl. 15A & 15B)
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 35256A Blower Housing Baffle (With electric starter knockout) (Use
as required)
25 35326 Baffle, Blower housing
25 29536 Blower Housing Baffle (Without electric starter knockout)
(Use as required)
26 650561 Screw, 1/4-20 x 5/8"
30 35441A Crankshaft
35 29826 Screw, 10-32 x 3/4"
36 29918 Lockwasher, #8 E.T.
37 29216 Locknut, 10-32
37A 30322 Nut & Lockwasher, 8-32
38 29642 Ring, Retaining
40 35776 Piston, Pin & Ring Set (Std.)(3-3/16" )
40 35777 Piston, Pin & Ring Set (.010" OS)
40 35778 Piston, Pin & Ring Set (.020" OS)
41 35773 Piston & Pin Ass'y. (Std.)(3-5/16")(I ncl.43)
41 35774 Piston & Pin Ass'y. (.010" OS) (Incl. 43)
41 35775 Piston & Pin Ass'y. (.020" OS) (Incl. 43)
42 35779 Ring Set (Std.) (3-5/16" Bore)
42 35780 Ring Set (.010" OS)
42 35781 Ring Set (.020" OS)
43 35772 Ring, Piston Pin retaining
45 35681 Rod Assy., Connecting (Incl. 46, 47 & 49)
46 650908 Bolt, Connecting rod
47 650882 Connecting Rod Bolt (2 pcs. on early Specs.)
48 34034 Lifter, Valve
49 35374 Dipper, Oil
50 35375 Camshaft (MCR)
60 33273A Extension, Blower housing
64 650802 Screw, 1/4-20 x 5/8"
65 650128 Screw, 10-24 x 1/2"
69 35262 * Gasket, Flange
70 35376 Cover, Cylinder (Incl. 71, 75 & 80)
71 35377 Bushing, Crankshaft
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 (Use as requir ed)
87 650832 Screw, 1/4-20 x 1-11/16" (Use as requ ired)
89 32589 Key, Flywheel
90 611091 Flywheel (w/ring gear)
100 35135 Solid State Assy.
102 650872 Stud, Solid state mounting
103 650814 Screw, Torx T-15, 10-24 x 1"
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HM100-159189J Page 3 of 10
Engine Parts List #1
Ref # Part Number Qty Description
108 29783 Pin, Crankshaft gear (Only serviceable when gear is pinned
to crank.)
109 33245 Gear, Crankshaft
119 34923A * Gasket, Cylinder head
120 34030A Head, Cylinder
125 27878A Exhaust Valve (Std.) (Incl. 151)
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 (Do not use with No. 6021A scr ew.)
128 650690 Washer, Belleville (Use as required)
129 650727 Screw, 5/16-18 x 1-3/4 (Use as requir ed)
130 6021A Screw, 5/16-18 x 1-1/2" (Use as required, but do notuse No.
650691 washer.)
130 650711 Screw, 5/16-18 x 1-5/8 " (Use as required) (Can use 6021A
but discard 650691 washer.)
130 650694A Screw, 5/16-18 x 2" (Use as required)
131A 650713 Screw, 5/16-18 x 5/8"
131 650737 Screw, 1/4-20 x 1/2" (Use as required )
131 650738 Screw, 1/4-20 x 5/8 (Use as required)
133 650890 Washer, Internal Lock
135 33636 Resistor Spark Plug
139 33369 Bracket, Governor gear
140 650836 Screw, 10-24 x 1/2"
149A 35862 Seal Assy., Intake valve
150 27881 Spring, Valve
151 32581 Cap, Lower valve spring
169 27896A * Gasket, Breather
170 28423 Body, Breather
171 28424 Element, Breather
172 28425 Cover, Breather
173 35350 Tube, Breather
174 650128 Screw, 10-24 x 1/2"
178 29752 Nut & Lockwasher, 1/4-28
182 30088A Screw, 1/4-28 x 1"
184 33263 * Gasket, Carburetor
185 33877 Pipe, Intake
203 31342 Spring, Compression
204 650549 Screw, 5-40 x 7/16"
206 610973 Terminal Assy.
207 33878 Link, Governor lever-to-throttle
222A Pop Rivet (Can be purchased locally)
223 650378 Screw, Torx T-30, 5/16-18 x 1-1/8"
224 27915A * Gasket, Intake pipe
250B 33269A Cover, 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 31588 Plate, Muffler locking
276 35741 Plate, Muffler locking
277 650729 Screw, 5/16-18 x 3-3/16" (Use as requ ired)
277 651002 Screw, 5/16-18 x 4-1/4" (Use as requi red)
285 35287 Cup, Starter
286 35446 Screen, Starter
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HM100-159189J Page 4 of 10
Engine Parts List #1
Ref # Part Number Qty Description
287 29752 Nut, 1/4-28
290 29774 Fuel Line (Braided 8-1/4")(21cm)(As r equired)
290 30962 Fuel Line (Braided 32")(80cm)(As requ ired)
291 30705 Fuel Line (Braided 16")(40cm)(As requ ired)
292 26460 Fuel Line Clamp (Use as required)
298 650665 Screw, 1/4-15 x 7/8"
300 34186A 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.
301A 410144B Fuel Cap (White Plastic)(Standard) (Use as required) (1.5"
I.D.)
301A 33032 Fuel Cap (Red Plastic) (Spurt Resistant, Low Profile) (Use as
required) (1.5" I.D.)
301 35650 Fuel Cap (Red Plastic) (1.75" I.D.)
305 35554 Oil Fill Tube
306 29673 * Gasket, Oil filler
310B 35941 Dipstick (Incl. 306)
310 31297 Dipstick (Incl. 307)
311 27625 Oil Fill Plug (Incl. 312)
312 29673 * Gasket, Oil filler plug
327 35392 Plug, Starter
338A 31291 Plug, Cover
340 34154 Plate, Upper fuel tank mtg.
341 34155 Bracket, Lower fuel tank mtg.
342 650561 Screw, 1/4-20 x 5/8"
361 30063 Screw, Torx T-30, 1/4-20 x 1/2"
370 34346 Decal, Instruction
370 35274 Decal, Instruction
370A 34686 Decal, Name
379 631021 Inlet Needle, Seat & Clip Assy.
380 632242 Carburetor (Incl. 184 & 379) (Refer to Division 5, Section A,
page A4-4 for breakdown or Fiche 18B, Grid D-3)
390 590633 Rewind Starter (Refer to Division 5, Section C, page 30 for
breakdown or Fiche 18B, Grid G-1)
395 35763A Electric Starter Motor (12 Volt) (Refer to service number
stamped on end cap of motor, or on decal, for identification.
Refer to Division 5, Section D for breakdown or Fiche 18B,
Grid G-6)
400 33279G * Gasket Set (Incl. items marked *)
420 730225 SAE 30 4-Cycle Engine Oil (Quart)
421 730226 SAE 5W30 4-Cycle Engine Oil (Quart)
422 35824 Muffler Optional
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HM100-159189J Page 5 of 10
Engine Parts List #2
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HM100-159189J Page 6 of 10
Engine Parts List #2
Ref # Part Number Qty Description
37A 30322 Nut & Lockwasher, 8-32
64 650802 Screw, 1/4-20 x 5/8"
129 650727 Screw, 5/16-18 x 1-3/4 (Use as requir ed)
131A 650713 Screw, 5/16-18 x 5/8"
131 650737 Screw, 1/4-20 x 1/2" (Use as required )
131 650738 Screw, 1/4-20 x 5/8 (Use as required)
222A Pop Rivet (Can be purchased locally)
250B 33269A Cover, Air cleaner
274 35865 Gasket, Exhaust
275 33280A Muffler
277 650729 Screw, 5/16-18 x 3-3/16" (Use as requ ired)
277 651002 Screw, 5/16-18 x 4-1/4" (Use as requi red)
290 29774 Fuel Line (Braided 8-1/4")(21cm)(As r equired)
290 30962 Fuel Line (Braided 32")(80cm)(As requ ired)
292 26460 Fuel Line Clamp (Use as required)
298 650665 Screw, 1/4-15 x 7/8"
300 34186A 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.
301 35650 Fuel Cap (Red Plastic) (1.75" I.D.)
301A 410144B Fuel Cap (White Plastic)(Standard) (Use as required) (1.5"
I.D.)
301A 33032 Fuel Cap (Red Plastic) (Spurt Resistant, Low Profile) (Use as
required) (1.5" I.D.)
306 29673 * Gasket, Oil filler
310B 35941 Dipstick (Incl. 306)
338A 31291 Plug, Cover
341 34155 Bracket, Lower fuel tank mtg.
342 650561 Screw, 1/4-20 x 5/8"
414 33323 Opt.Muffler Screen (Mini-Bike applica tion)
415 730130 Kit, Exhaust adapter (Incl. 274 & 277 )
418 33700 Cover & Tube, Muffler (use as require d)
419 650578 Screw, 8-18 x 3/8" (use as required)
421 730226 SAE 5W30 4-Cycle Engine Oil (Quart)
422 35824 Muffler Optional
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HM100-159189J Page 7 of 10
Engine Parts List #3
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HM100-159189J Page 8 of 10
Engine Parts List #3
Ref # Part Number Qty Description
37A 30322 Nut & Lockwasher, 8-32
64 650802 Screw, 1/4-20 x 5/8"
129 650727 Screw, 5/16-18 x 1-3/4 (Use as requir ed)
131 650737 Screw, 1/4-20 x 1/2" (Use as required )
131 650738 Screw, 1/4-20 x 5/8 (Use as required)
131A 650713 Screw, 5/16-18 x 5/8"
200B 730152 Control Bracket (Incl.1158-1171)(As r eq.)
203 31342 Spring, Compression
204 650549 Screw, 5-40 x 7/16"
222A Pop Rivet (Can be purchased locally)
227 730127 Air Cleaner Ass'y. (Incl. 238, 239, 242, 246, 250) (Use as
required)
238 28820 Screw, 10-32 x 1/2"
239 27272A * Gasket, Air cleaner
241 33266 Bracket, Air cleaner
242 33267 Bracket, Air cleaner
245 33268 Element, Air cleaner
250B 33269A Cover, Air cleaner
251 650513 Nut, Wing 1/4-20
290 29774 Fuel Line (Braided 8-1/4")(21cm)(As r equired)
290 30962 Fuel Line (Braided 32")(80cm)(As requ ired)
291 30705 Fuel Line (Braided 16")(40cm)(As requ ired)
293 33715 Impulse Fuel Pump NOTE: 34385 and 33715 (WIP)pumps
are replaced by 35813 and 35800 (WIP) pumps. The 33010
(3000 series) repair kit is still available. The 35791 repair kit
is used with the 35813 and 35800 fuel pumps.
294 35791 Fuel Pump Repair Kit NOTE: 34385 and 33715 (WIP)pumps
are replaced by 35813 and 35800 (WIP) pumps. The 33010
(3000 series) repair kit is still available. The 35791 repair kit
is used with the 35813 and 35800 fuel pumps.
301A 410144B Fuel Cap (White Plastic)(Standard) (Use as required) (1.5"
I.D.)
301A 33032 Fuel Cap (Red Plastic) (Spurt Resistant, Low Profile) (Use as
required) (1.5" I.D.)
303 32958 Fitting, Fuel
306 29673 * Gasket, Oil filler
310B 35941 Dipstick (Incl. 306)
327 35392 Plug, Starter
338A 31291 Plug, Cover
370 34346 Decal, Instruction
370 35274 Decal, Instruction
421 730226 SAE 5W30 4-Cycle Engine Oil (Quart)
422 35824 Muffler Optional
1159 30312 Screw, 10-32 x 1/2"
1160 28820 Screw, 10-32 x 1/2"
1160 27070 Lockwasher
1185 33816 Hub & Screen Assy.
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HM100-159189J Page 9 of 10
Engine Parts List #4
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HM100-159189J Page 10 of 10
Engine Parts List #4
Ref # Part Number Qty Description
1 35371 Cylinder (CI liner)(3-5/16")(Incl.2,2 0 & 72)
2 27652 Pin, Dowel
37A 30322 Nut & Lockwasher, 8-32
64 650802 Screw, 1/4-20 x 5/8"
72 27642 Plug, Oil drain
90 611091 Flywheel (w/ring gear)
94 33450 Lock Nut, 10-32
95 30886A Spring, Governor bolt
96 30845A Bolt, Governor adjusting
100 35135 Solid State Assy.
102 650872 Stud, Solid state mounting
103 650814 Screw, Torx T-15, 10-24 x 1"
129 650727 Screw, 5/16-18 x 1-3/4 (Use as requir ed)
131A 650713 Screw, 5/16-18 x 5/8"
131 650737 Screw, 1/4-20 x 1/2" (Use as required )
131 650738 Screw, 1/4-20 x 5/8 (Use as required)
169 27896A * Gasket, Breather
170 28423 Body, Breather
171 28424 Element, Breather
172 28425 Cover, Breather
173 35350 Tube, Breather
174 650128 Screw, 10-24 x 1/2"
178 29752 Nut & Lockwasher, 1/4-28
207 33878 Link, Governor lever-to-throttle
222A Pop Rivet (Can be purchased locally)
238 28820 Screw, 10-32 x 1/2"
239 27272A * Gasket, Air cleaner
241 33266 Bracket, Air cleaner
242 33267 Bracket, Air cleaner
245 33268 Element, Air cleaner
250B 33269A Cover, Air cleaner
251 650513 Nut, Wing 1/4-20
275 33280A Muffler
275B 391026 Muffler (Incl. 284, 284A & 416) (This spark arrester
mufflercan be used on any model.)
276 31588 Plate, Muffler locking
276 35741 Plate, Muffler locking
277 650729 Screw, 5/16-18 x 3-3/16" (Use as requ ired)
277 651002 Screw, 5/16-18 x 4-1/4" (Use as requi red)
301A 410144B Fuel Cap (White Plastic)(Standard) (Use as required) (1.5"
I.D.)
301A 33032 Fuel Cap (Red Plastic) (Spurt Resistant, Low Profile) (Use as
required) (1.5" I.D.)
306 29673 * Gasket, Oil filler
310B 35941 Dipstick (Incl. 306)
313A 33876 Gasket, Stator (Used only on Std. poi nt ign.)
338A 31291 Plug, Cover
361 30063 Screw, Torx T-30, 1/4-20 x 1/2"
377 30547A Breaker Points (Use with Std. point i gn.)
380 632242 Carburetor (Incl. 184 & 379) (Refer to Division 5, Section A,
page A4-4 for breakdown or Fiche 18B, Grid D-3)
421 730226 SAE 5W30 4-Cycle Engine Oil (Quart)
422 35824 Muffler Optional
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