Tecumseh OHM120-224602A User manual

OHM120-224602APage 1 of 6

Engine Parts List #1

OHM120-224602APage 2 of 6

Engine Parts List #1

Ref # Part Number Qty Description

137083 Cylinder (Incl. 2, 20, 72 & 80)1

227652 Dowel Pin2

14 28277 Washer1

14A 651057 Washer1

15 35685 Governor Rod (Incl. 14 & 38)1

16 35686 Governor Lever1

17 29916 Governor Lever Clamp1

18 651028 Screw, Torx T-15, 8-32 x 3/8"1

19 35688 Extension Spring1

19D 33857 Extension Spring Assembly1

20 35319 Oil Seal1

25 36460 Blower Housing Baffle1

26 650561 Screw, 1/4-20 x 5/8"2

28 30322 Lock Nut, 10-321

30 35680A Crankshaft1

31 35327 Counterbalance Gear1

35 29826 Screw, 10-32 x 3/4"1

36 29918 Lock Washer1

37 29216 Lock Nut, 10-321

38 29642 Retaining Ring3

40 35776A Piston, Pin & Ring Set (Std.)1

40 35777A Piston, Pin & Ring Set (.010" OS)1

40 35778A Piston, Pin & Ring Set (.020" OS)1

41 35773A Piston & Pin Ass'y (Std.) (Incl. 43)1

41 35774A Piston & Pin Ass'y (.010" OS) (Incl. 43)1

41 35775A Piston & Pin Ass'y (.020" OS) (Incl. 43)1

42 35779 Ring Set (Std.)1

42 35780 Ring Set (.010" OS)1

42 35781 Ring Set (.020" OS)1

43 35772 Piston Pin Retaining Ring2

45 36898 Connecting Rod Ass'y (Incl. 47)1

47 651033 Connecting Rod Bolt2

48 35313 Valve Lifter2

50 35682A Camshaft (MCR)1

51 35315A Counterbalance Weight1

60 35316A Blower Housing Extension1

65 650784 Screw, 10-24 x 11/16"1

66 650561 Screw, 1/4-20 x 19/32"1

69 35683 * Cylinder Cover Gasket1

70 35684A Cylinder Cover (Incl.14,15,38,71,75)1

71 35377 Crankshaft Bushing1

72 27642 Oil Drain Plug2

75 35319 Oil Seal1

80 35751 Governor Shaft1

81 35479 Washer2

82 35321 Governor Gear Ass'y1

83 35322 Governor Spool1

84 29193 Retaining Ring1

86 650833 Screw, 1/4-20 x 1-3/16"7

87 650832 Screw, 1/4-20 x 1-11/16"1

89 32589 Flywheel Key1

90 611094 Flywheel (W/Ring Gear)1

92 650880 Lock Washer1

93 650881 Flywheel Nut1

100 35135 Solid State Ignition1

101 610118 Spark Plug Cover1

OHM120-224602APage 3 of 6

Engine Parts List #1

Ref # Part Number Qty Description

102 651024 Solid State Mounting Stud2

103 651007 Screw, Torx T-15, 10-24 x 15/16"2

119 36932 * Cylinder Head Gasket1

120 37084 Cyinder Head1

125 36934 Exhaust Valve (Std.)1

125 36936 Exhaust Valve (1/32" OS)1

126 36935 Intake Valve (Std.)1

126 36937 Intake Valve (1/32" OS)1

127 650691 Washer6

128 650690 Belleville Washer6

130 650697A Screw, 5/16-18 x 2-1/2"6

135 34645 Spark Plug (RN4C)1

150 33507 Valve Spring2

151 33508 Valve Spring Keeper2

153 35949 Push Rod Guide1

154 650945 Rocker Arm Stud2

155 35950 Rocker Arm2

157 650947 Jam Nut2

158 35466 Push Rod2

159 35952 * Rocker Arm Cover Gasket1

160 35953A Rocker Arm Housing1

161 30063 Screw, Torx T-30, 1/4-20 x 1/2"4

163 650890 Lock Washer2

169 27896A * Valve Cover Gasket2

170 28423 Breather Body1

171 28424 Breather Element1

172 28425 Valve Cover1

173 35350 Breather Tube1

174 650128 Screw, 10-24 x 1/2"2

180 37101 Blower Housing Extension1

181 30200 Lock Nut, 10-322

182 650517 Screw, 1/4-20 x 27/32"2

184 33263 * Carburetor To Intake Pipe Gasket1

185 37085 Intake Pipe1

186 35691 Governor Link1

200 37223 Control Bracket (Incl. 203 & 204)1

202 36482 Compression Spring1

203 31342 Compression Spring1

204 651029 Screw, Torx T-10, 5-40 x 7/16"1

205 651019 Screw, Torx T-10, 6-32 x 41/64"1

207 35692 Throttle Link1

209 650821 Screw, 10-32 x 1/2"2

210 27793 Conduit Clip1

211 650837 Screw, 10-32 x 9/32"2

212 30773A Bushing1

213 650930 Screw, 10-32 x 5/8"1

216 35679 R.P.M. Adjusting Lever1

223 650971 Screw, Torx T-30, 5/16-18 x 7/8"2

224 33515A * Intake Pipe Gasket1

233A 37169 "O" Ring1

233 37168 "O" Ring1

235 37167 Breather Tube Fitting1

238 28820 Screw, 10-32 x 1/2"2

239 27272A * Air Cleaner Gasket1

240 32377 Air Cleaner Bracket Ass'y1

242 37166 Air Cleaner Bracket1

OHM120-224602APage 4 of 6

Engine Parts List #1

Ref # Part Number Qty Description

245 31925 Air Cleaner Filter1

250 31926 Air Cleaner Cover1

251 650513 Wing Nut, 1/4-201

260 35716 Blower Housing1

262 29747B Screw, Torx T-40, 5/16-24 x 21/32"2

264A 650888 Screw, Torx T-30, 1/4-20 x 43/64"1

265 37086 Cylinder Head Cover1

266 650876 Screw, 5/16-18 x 1-1/4"2

269 35762 * Exhaust Manifold Gasket2

270 35292 Exhaust Manifold1

270A 35829A Exhaust Port Liner1

271 35293 Locking Plate (Manifold)1

275 35294A Muffler1

276 35348 Locking Plate1

277 650877 Screw, 5/16-18 x 4-1/2"2

280 37224 Heat Shield1

285 35985B Starter Cup1

287 29752 Nut & Lock Washer, 1/4-284

290 30962 Fuel Line1

292 26460 Fuel Line Clamp4

298 650665 Screw, 1/4-15 x 3/4"2

300 34156A Fuel Tank (Incl. 292 & 301)1

301 35355 Fuel Cap1

304 35480 Fuel Cap Retainer1

305 35574 Oil Fill Tube1

307 35499 "O" Ring1

308 35539 Fill Tube Clip1

310 35700 Dipstick1

314 650873 Screw, 1/4-20 x 3/4"2

319 650735 Screw, 10-24 x 3/8"2

320 611098A Regulator (7 Amp)1

322 610921 Connector Body1

322A 610824 Connector Body1

323 610922 Terminal1

340 35696 Fuel Tank Bracket1

341 35697 Fuel Tank Bracket1

342 792028 Screw, 5/16-18 x 7/8"2

355 590701 Starter Handle1

361 650990 Screw, Torx T-30, 1/4-20 x 15/32"4

370K 36695 Logo Decal 12 H.P.1

370G 35274 Oil Instruction Decal1

380 640151 Carburetor (Incl. 184)1

390 590746 Rewind Starter1

395 36680 Electric Starter Motor (12 Volt)1

400 36947B *Gasket Set (Incl. items marked PK in notes) Incl. part #'s

27272A (1),27896A (2), 33263 (1), 33515A (1), 3531 7 (1),

35683 (1), 35762 (2), 35952 (1 ), 36333 (1), 36352 (1), 36358

(1), 3 6832 (1), 36930 (1), 36932 (1), 36942 (1)

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

OHM120-224602APage 5 of 6

Engine Parts List #2

OHM120-224602APage 6 of 6

Engine Parts List #2

Ref # Part Number Qty Description

170 28423 Breather Body1

174 650128 Screw, 10-24 x 1/2"2

260 35716 Blower Housing1

298 650665 Screw, 1/4-15 x 3/4"2

301 35355 Fuel Cap1

314 650873 Screw, 1/4-20 x 3/4"2

315 611097 Alternator Coil (Incl. 322,322A & 323 )1

322 610921 Connector Body1

323 610922 Terminal1

341 35697 Fuel Tank Bracket1

342 792028 Screw, 5/16-18 x 7/8"2

345 35699 Heat Baffle1

361 650990 Screw, Torx T-30, 1/4-20 x 15/32"4

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