Tecumseh OH120-175034F Parts Manuals

For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983

OH120-175034F Page 1 of 6
Engine Parts List #1

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For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983

OH120-175034F Page 2 of 6
Engine Parts List #1

Ref # Part Number Qty Description

1 34291A Cylinder (Incl. 2, 20 & 72)1
2 27652 Dowel Pin2

14A 28558 Washer1

15 32425 Governor Rod1
16 31963 Governor Lever1

16B 31965 Governor Spring Plate1

17 31964 Governor Lever Clamp1
18 650544 Screw, Torx T-25, 10-24 x 7/8"1
19 31967 Extension Spring1

20 31950 * Oil Seal1
20A 32599 * "O" Ring1
24A 31928 Bearing Cup2

24 31932 Tapered Roller Bearing2
25A 33477A Air Baffle1

25 32579 Blower Housing Baffle1
25B 650738 Screw, 1/4-20 x 5/8"1

26 650561 Screw, 1/4-20 x 5/8"3

30 33397A Crankshaft1

35 30312 Screw, 10-32 x 1/2"1

37 7975 Lock Nut, 10-241
38A 650518 Washer1

38 29193 Retaining Ring1

40 34546 Piston, Pin & Ring Set (Std.)1

40 34547 Piston, Pin & Ring Set (.010" OS)1

40 34548 Piston, Pin & Ring Set (.020" OS)1

41 34292B Piston & Pin Ass'y. (Std.) (Incl. 43)1

41 34293B Piston & Pin Ass'y. (.010" OS) (Incl. 43)1

41 34294B Piston & Pin Ass'y. (.020" OS) (Incl. 43)1

42 34297 Ring Set (Std.)1

42 34298 Ring Set (.010" OS)1

42 34299 Ring Set (.020" OS)1

43 31919 Piston Pin Retaining Ring2

45 33093A Connecting Rod Ass'y. (Incl.46 - 46B)1

45 34383 Connecting Rod Ass'y.(.010" US)(Incl. 46-46B)1

45 34384 Connecting Rod Ass'y.(.020" US)(Incl. 46-46B)1
46A 26073 Washer2
46B 28264 Nut2

46 32077 Connecting Rod Bolt2

48 33472 Valve Lifter2

50 34752 Camshaft (MCR)1

60 33479 Blower Housing Extension1

66 30063 Screw, Torx T-30, 1/4-20 x 1/2"2

69 31956B * Cylinder Cover Gasket1
70A 32577 Cylinder Cover (See Ref. #'s 480-482)1

70 32685 Cylinder Cover (Incl. 15,38,72,75,88)1

72 31927 Oil Drain Plug2

75 31950 Oil Seal1
81A 650745 Washer1

81 30590A Washer1

82 34751 Governor Gear Ass'y.1

83 35322 Governor Spool1
86A 792028 Screw, 5/16-18 x 7/8"3

86 650588 Screw, 1/4-20 x 2"1

87 650451 Screw, 1/4-20 x 1"8

88 32426 Spacer1

89 650592 Flywheel Key1

90 610901 Flywheel (Incl. 90A)1
90A 730201 Trigger Pin Kit1

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OH120-175034F Page 3 of 6
Engine Parts List #1

Ref # Part Number Qty Description

92 650666 Washer1

93 650594 Flywheel Nut1

100 610906 Solid State Ignition1

101A 610750 Grommet1

101 610118 Spark Plug Cover1
103 650661 Screw, 1/4-20 x 3/4"2
108 29783 Crankshaft Pin1
109 34692 Crankshaft Gear1
119 34302A * Cylinder Head Gasket1
120 34767 Cylinder Head1
121 730218 Valve Guide Kit (Incl. 2 of 122)2
122 792035 Retaining Ring2
125 33506 Exhaust Valve (Std.) (Incl. 151)1
125 33646 Exhaust Valve (1/32" OS) (Incl. 151)1
126 33505 Intake Valve (Std.) (Incl. 151)1
126 33645 Intake Valve (1/32" OS) (Incl. 151)1
127 650691 Washer6
128 650690 Belleville Washer6
129 650692 Screw, 5/16-18 x 1-3/4"4
130 650746 Screw, 5/16-18 x 1-3/8"2
135 33657 Resistor Spark Plug (RL82C)1
141 33481 * "O" Ring (Also Incl. in 401)4
142 35475 Push Rod Tube2
143 34754 Rocker Arm Housing1
144 33484 * "O" Ring (Also Incl. in 401)3
145 650168 Washer3
146 32610A Screw, 1/4-20 x 29/32"3
147 33509 * "O" Ring (Also Incl. in 401)1
148 34410 * "O" Ring (Also Incl. in 401)1
149 33510 Valve Spring Cap2
150 33507 Valve Spring2
151 33508 Valve Spring Keeper2
154 650756 Rocker Arm Stud2
155 33485 Rocker Arm1
157 33486 Retaining Ring2
158 33471 Push Rod2
159 33487 * "O" Ring (Also Incl. in 401)1
160 33488 Rocker Arm Housing1
161 650755 Screw, 1/4-20 x 3/4"1
162 650864 Nut, 1/4-201
169 31958A * Valve Cover Gasket (Also Incl.in 401)1
170 33489 Breather Body1
173 33490 Breather Tube1
174 30102 * Screw, 10-32 x 5/8" (Also Incl. in 40 1)2
182 650378 Screw, Torx T-30, 5/16-18 x 1-1/8"2
184 33476A * Carburetor To Intake Pipe Gasket2
185 33475 Intake Pipe1
186 33478 Governor Link1
200 34403 Control Bracket1
203 33099 Compression Spring1
204 650591 Screw, 10-24 x 2"1

209A 650641 Hex Nut1

209 650561 Screw, 1/4-20 x 5/8"1
210 27793 Conduit Clip1
211 28942 Screw, 10-32 x 3/8"1
212 31966 Bushing1
213 650597 Screw, 10-24 x 5/8"1
216 31984A R.P.M. Adjusting Lever1

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OH120-175034F Page 4 of 6
Engine Parts List #1

Ref # Part Number Qty Description

223 650971 Screw, Torx T-30, 5/16-18 x 7/8"2
238 650399 Screw, 10-32 x 5/8"4
239 34197 Air Cleaner Gasket1
242 35473 Air Cleaner Bracket1
245 32008 Air Cleaner Filter1
250 34193 Air Cleaner Cover1
251 650513 Wing Nut, 1/4-201
260 34195B Blower Housing1
261 650752 Screw, 1/4-20 x 7/16"1

261A 650751 Screw, 1/4-20 x 7/16"1

264 650650 Screw, 10-16 x 3/8"2
265 33495 Cylinder Head Cover1
275 35731 Muffler1
286 33776 Starter Screen1
287 27070 Washer3

287A 650680 Screw, 1/4-20 x 1-1/2"3

303 29634 Fuel Fitting1
305 32352 Oil Fill Tube1
306 29985 "O" Ring1
307 29673 * "O" Ring1

310 33068 Dipstick1
319A 8274 Lock Washer1
319B 650595 Screw, 5/16-24 x 3/8"1

324 610908 Terminal1
324A 610408 Nut, 8-322

355 590701 Starter Handle1
361A 650797 Screw, 5/16-18 x 1/2"1

361 650781 Screw, 5/16-18 x 11/16"2
366A 32143 Muffler Nipple1

367 650590 Nut1

370 36261 Instruction Decal1
370B 35274 Instruction Decal1
370A 35532 Name Decal1

380 632506 Carburetor (Incl. 184)1

392 32046 Starter Rope1

393 31980 Starter Rope Pulley1

395 33835 Electric Starter Motor1

400 33516G * Gasket Set (Incl. items marked PK i n notes) Incl. part #'s

1

29673 (1), 30102 (2), 31950 (2), 31956B (1), 31958A (1),
31971 (2), 31972 (1), 32031 (1), 32599 (1), 33476A (2),
33481 (4), 33484 (3), 33487 (1), 33509 (1), 33515A (1),
34225A (1), 34302A (1), 34410 (1), 34641A (1), 35471 (1)

401 35075A * "O" Ring Set (Also Incl. in 400) 30102 (2), 31958A (1),

409 31992 Spacer3

420 730225 SAE 30 4-Cycle Engine Oil (Quart)1

480 31971 * Shim Gasket (.004/.005) (See Repair M anual)2

481 31972 * Shim Gasket (.005/.007) (See Repair M anual)1

482 32031 * Steel Spacer (.010) (See Repair Manua l)1

1

33481(4), 33484 (3), 33487 (1), 33509 (1) 34410 (1)

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For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983

OH120-175034F Page 5 of 6
Engine Parts List #2

www.mymowerparts.com

For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983

OH120-175034F Page 6 of 6
Engine Parts List #2

Ref # Part Number Qty Description

16B 31965 Governor Spring Plate1

135 33657 Resistor Spark Plug (RL82C)1

238 650399 Screw, 10-32 x 5/8"4
239A 35471 * Air Cleaner Gasket1

245 32008 Air Cleaner Filter1

248 34194A Air Cleaner Tube1

251 650513 Wing Nut, 1/4-201
261A 650751 Screw, 1/4-20 x 7/16"1
271A 35732 Muffler Clamp1

274 33515A * Exhaust Gasket1

290 29774 Fuel Line1

291 30962 Fuel Line1

292 26460 Fuel Line Clalmp4

293 35807 Pulse Pump1

295 29683 Fuel Shut-Off Valve1
298A 650456 Lock Nut, 1/4-202

298 650488 Screw, 1/4-20 x 1-1/4"2

300 33979 Fuel Tank (Incl. 301)1

301 33032 Fuel Cap1

303 29634 Fuel Fitting1

314 650521 Screw, 10-32 x 1-1/8"2

315 610902 Alternator Coil (20 Amp)(Incl. 322,32 3&323A)1

319 30063 Screw, Torx T-30, 1/4-20 x 1/2"1

320 610996 Regulator1

322 610201 Connector Body1
323A 610905 Terminal2

323 610904 Terminal1

341 33978 Fuel Tank Bracket1
342A 650785 Screw, 5/16-18 x 5/8"2
342B 650787 Belleville Washer2

342 650786 Screw, 1/4-20 x 5/8"2

355 590701 Starter Handle1

368 33980 Fuel Tank Strap1

500 730198 Switch Ass'y.1

501 34616 Starter Switch1

502 27513 Lock Washer2

503 650864 Nut, 1/4-202

504 8274 Lock Washer2

505 650586 Nut 5/16-24"2

506 34620 Wire & Fuse1

507 34618 Starter Wire1

508 34619 Ground Wire1

509 34617 Adapter Cord1

510 34615 Toggle Switch1

511 34614 Starter Button Bracket1

512 792026 Screw, 1/4-20 x 7/8"2

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