Tecumseh HS50-67242F Parts List #1
1 33674B Cylinder (Incl. 2, 20, 72 & 72A) 2 26727 Pin, Dowel
14 28277 Washer, Flat
15 31334 Rod, Governor
16 31510 Lever, Governor
17 31335 Clamp, Governor lever
18 650548 Screw, 8-32 x 5/16"
19 31426 Spring, Extension
20 32600 Seal, Oil
25A 650139 Screw, 8-32 x 1/2" (Use as required)
25B 30322 Locknut, 8-32 (Use as required)
25 33342 Baffle, Blower housing
26 650561 Screw, 1/4-20 x 5/8"
30 34740 Crankshaft
32 32323 Washer, Thrust NOTE: This thrust washer maynot be required if a new crankshafthas been installed. Check the proper Mechanic's Handbook for acceptable end play. Use this .010" thrust washer if excess end play is measured.
40 34535 Piston, Pin & Ring Set (Std.)
40 34536 Piston, Pin & Ring Set (.010" OS)
40 34537 Piston, Pin & Ring Set (.020" OS)
41 33562B Piston & Pin Ass'y. (Std.) (Incl. 43)
41 33563B Piston & Pin Ass'y. (.010" OS) (Incl. 43)
41 33564B Piston & Pin Ass'y. (.020" OS) (Incl. 43)
42 33567 Ring Set (Std.) (2-13/16" Bore)
42 33568 Ring Set (.010" OS)
42 33569 Ring Set (.020" OS)
43 20381 Ring, Piston pin retaining
45 32875 Rod Assy., Connecting (Incl. 46 & 49)
46 32610A Bolt, Connecting rod
48 27241 Lifter, Valve
49 32654 Dipper, Oil
50 34688 Camshaft (Extended)
60 29745 Extension, Blower housing
61 34126 Bracket, Grommet mounting
62 650760 Screw, 8-32 x 3/8"
63 28545 Grommet, Plastic
64A 8345 Washer, Flat
64 30063 Screw, 1/4-20 x 1/2"
65 650128 Screw, 10-24 x 1/2"
69 27677A * Gasket, Cylinder cover
70 34678 Cover, Cylinder (Incl. 75, 76 & 80)
72 27642 Plug, Pipe, 1/4-18
75 27897 Seal, Oil
76 30318 Seal, Oil
80 30574 Shaft, Mechanical governor
81 30590A Washer, Flat
82 30591 Gear, Governor
83 30588A Spool, Governor
84 29193 Ring, Retaining
86 650488 Screw, 1/4-20 x 1-1/4"
89 610961 Key, Flywheel
90 611081 Flywheel (w/ring gear)
92 650815 Washer, Belleville
93 650816 Nut, Flywheel
100 34443A Solid State Assy.
101 610118 Cover, Spark plug
102 650872 Stud, Solid state mounting
103 650814 Screw, Torx T-15, 10-24 x 1"
110 35557 Wire, Ground
119 33554A * Gasket, Cylinder head
120 33016A Head, Cylinder (Incl. 131)
125 29313C Exhaust Valve (Std.) (Incl. 151)
125 29315C Exhaust Valve (1/32" OS) (Incl. 151)
126 32644A Intake Valve (Std.) (Incl. 151)
126 32645A Intake Valve (1/32" OS) (Incl. 151)
127 650691 Washer, Flat
129 650818 Screw, 5/16-18 x 1-1/2"
130 6021A Screw, 5/16-18 x 1-1/2"
131 650694A Screw, 5/16-18 x 2"
135 33636 Resistor Spark Plug (RJ-8C)
150 31672 Spring, Valve
151 31673 Cap, Valve spring
171 31410 Element, Breather
174 650128 Screw, 10-24 x 1/2"
178 29752 Nut & Lockwasher Assy., 1/4-28
182 6201 Screw, 1/4-28 x 7/8"
182A 650870 Screw, 1/4-28 x 1-11/16"
183 34583 Bracket, Choke
184 26756 * Gasket, Carburetor
185 33691 Pipe, Intake
186 32698 Tecumseh HS50 Throttle Linkage, Governor to throttle
200 33858A Control Bracket (Incl.25A, 25B, 204 & 206) NOTE: In original productionthe speed control assembly may be riveted to the blower housing baffle. Replacement speed control includes screws (650139) and nuts (30322) for mounting. Replacement baffle (33342) has threaded holes. Pop rivets may be used
203 31342 Spring, Compression
204 650549 Screw, 5-40 x 7/16"
206 610973 Terminal Assy.
210 27793 Clip, Conduit
215 32410 Knob, Speed control
219 34582 Rod, Choke
220 35438 Knob, Choke control
222 28820 Screw, 10-32 x 1/2"
223 650664 Screw, 1/4-20 x 1-19/32"
224 33673A * Gasket, Intake pipe
261 29212 Screw, 1/4-28 x 7/16"
267 34212 Bracket, Hold down
268 30200 Screw, 10-24 x 9/16"
272 650735 Screw, 10-24 x 3/8"
273 33333 Bracket, Carburetor cover
274 33670A * Gasket, Exhaust
275 35771 Muffler (Incl. 274)
277 650327 Screw, 1/4-20 x 2-1/2"
285 34694 Cup, Starter
291 30705 Fuel Line (16") (40cm)
292 26460 Clamp, Fuel line
298 650665 Screw, 1/4-15 x 7/8"
300 34711 Fuel Tank (Incl. 292 & 301) NOTE: These tanks were built with 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 34210 Fuel Cap
305 33893A Tube, Oil fill
307 33590 "O" Ring
310 34676 Dipstick (Incl. 307)
313 34080 Spacer, Flywheel key
328 35062 Key, Ignition
329 610973 Terminal Assy.
330 35285 Wire, Ground
335 35072 Cover, Carburetor
338 650257 Screw, 8-32 x 5/16"
339 28212 Spacer, Tank bracket
340 28371B Fuel Tank Bracket
341 34182 Fuel Tank Bracket
342 650805 Screw, 1/4-20 x 11/16"
342A 650675 Washer, Flat
345 33344 Baffle, Heat
350 570682 Primer Assy.
351 32180C Line, Primer
352 33341 Extension, Baffle
353 650884 Screw, 8-32 x 1/2"
370B 34144 Decal, Primer
370C 35282 Decal, Instruction
370D 34414 Decal, Warning
370A 35312 Decal, Instruction
370 34346 Decal, Instruction
379 631021 Inlet Needle, Seat & Clip Assy.
380 632107 Carburetor (Incl. 184) (Refer to Division 5, Section A, page
168 for breakdown)
400 33683B * Gasket Set (Incl. items marked *)
420 730225 SAE 30, 4-Cycle Engine Oil (Quart)
421 730226 SAE 5W30, 4-Cycle Engine Oil (Quart)
Tecumseh HS50-67242F Parts List #2
16 31510 Lever, Governor
18 650548 Screw, 8-32 x 5/16"
70 34678 Cover, Cylinder (Incl. 75, 76 & 80)
75 27897 Seal, Oil
86 650488 Screw, 1/4-20 x 1-1/4"
89 610961 Key, Flywheel
169A 31619A * Gasket, Breather
170A 31337A Body, Breather Assy. (Incl. 169A & 17 1)
171 31410 Element, Breather
174 650128 Screw, 10-24 x 1/2"
178 29752 Nut & Lockwasher Assy., 1/4-28
222 28820 Screw, 10-32 x 1/2"
274 33670A * Gasket, Exhaust
277 650327 Screw, 1/4-20 x 2-1/2"
380 632107 Tecumseh HS50 Carburetor (Incl. 184) (Refer to Division 5, Section A, page 168 for breakdown)
415 730165 Muffler Adapter Kit (Incl.64 & 274) ( As req.)
Tecumseh HS50-67242F Parts List #3
90 611081 Flywheel (w/ring gear)
92 650815 Washer, Belleville
93 650816 Nut, Flywheel
100 34443A Solid State Tecumseh HS50 Ignition Coil.
101 610118 Cover, Spark plug
102 650872 Stud, Solid state mounting
103 650814 Screw, Torx T-15, 10-24 x 1"
260 34813A Housing, Blower
261 29212 Screw, 1/4-28 x 7/16"
261A 650168 Washer, Flat (Used on early productio n)
285 34694 Cup, Starter
286 35354 Screen, Starter cup (stationary)
287 29752 Nut & Lockwasher, 1/4-28
313 34080 Spacer, Flywheel key
359 34127 Guard, Starter
360 32576 Seal, Snow guard
370H 34387 Decal, Instruction (Optional)
370J 34870 Decal, Instruction (Optional)
390 590473 Rewind Starter (Refer to Division 5, Section C, page 29 for breakdown)
396 33290D Tecumseh HS50 Electric Starter Motor Kit (120 Volt) This 110-120 volt starter motor kit may have been added to this engine. It can be added only if cylinder hasdrilled and tapped starter mounting bosses and a ring gear flywheel. Refer to service number stamped on end cap of motor, or on decal, for identification.
425 730571 Starter Muff kit (Incl. 370J, 426 & 4 27) Can be used with stamped steel starter
426 32203 Starter Air Cleaner Can be used with stamped steel starter
427 32204 Bracket, Starter air cleaner Can be used with stamped steel starter
430 730574 Debris Screen Kit (Incl.370H,431,432, 433) Can be used with E-Z pull starter
431 35596 Screen, Debris Can be used with E-Z pull starter
432 35597 Bracket, Debris screen Can be used with E-Z pull starter
433 650910 Screw, 8-32 x 1/4" Can be used with E-Z pull starter
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