Tecumseh HM100-159002 Parts Manuals

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

HM100-159002 Page 1 of 10
Engine Parts List #1

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

HM100-159002 Page 2 of 10
Engine Parts List #1

Ref # Part Number Qty Description

1 34096C Cylinder (CI liner)(3-5/16")(Incl.2,20,41,43,72 & 119)
2 27652 Pin, Dowel
4 30968 Nipple, Oil drain
5 30969 Cap, Oil drain

15 30699C Rod Assy., Governor (Incl. 15A & 15B)
15B 650494 Screw, 6-40 x 5/16"
15A 30700 Yoke, Governor

16 33454 Governor Lever Assy.

17 29916 Clamp, Governor lever

18 650548 Screw, 8-32 x 5/16"

20 32630 Seal, Oil

25 29536 Blower Housing Baffle (Without electric starter knockout)

(Use as required)

25 35256A Blower Housing Baffle (With electric starter knockout) (Use

as required)

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

30 33365B Crankshaft (Incl. 108 & 109)

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 34543 Piston, Pin & Ring Set (Std.) (3-3/16 ")

40 34544 Piston, Pin & Ring Set (.010" OS)

40 34545 Piston, Pin & Ring Set (.020" OS)

41 34031B Piston & Pin Ass'y. (Std.)(3-3/16")(I ncl.43)

41 34032B Piston & Pin Ass'y. (.010" OS) (Incl. 43)

41 34033B Piston & Pin Ass'y. (.020" OS) (Incl. 43)

42 34037 Ring Set (Std.) (3-3/16" Bore)

42 34038 Ring Set (.010" OS)

42 34039 Ring Set (.020" OS)

43 27888 Ring, Piston Pin retaining

45 32591C Rod Assy., Connecting (Incl. 46, 47 & 49)

46 650662C Bolt, Connecting rod (2 pieces)

47 650662C Bolt, Connecting rod (2 pieces)

48 34034 Lifter, Valve

49 34242 Dipper, Oil
49A 32590 Plate, Lock & Oil dipper (This plate can be replaced by No.

34242 Oil dipper but No. 650662C screws must be used)

50 34143 Camshaft (MCR)

60 33273A Extension, Blower housing

65 650128 Screw, 10-24 x 1/2"

69 35262 * Gasket, Flange

70 33367B Cover, Cylinder (Incl. 71, 75 & 80)

71 33368 Bushing, Crankshaft

72 27642 Plug, Oil drain

75 31950 Seal, Oil

80 31845 Shaft, Mechanical governor

81 30590A Washer, Flat

82 30591 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

92 650815 Washer, Belleville

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

HM100-159002 Page 3 of 10
Engine Parts List #1

Ref # Part Number Qty Description

93 8116 Nut, Hex

101 610118 Cover, Spark plug
103 650489 Screw, 1/4-20 x 5/8"
108 29783 Pin, Crankshaft gear (Only serviceable when gear is pinned

to crank.)

109 33245 Gear, Crankshaft
110 35349 Ground Wire
119 34041A * 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.)

127A 26073 Washer, Flat

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)
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"

133 650890 Washer, Internal Lock
135 33636 Resistor Spark Plug
139 33369 Bracket, Governor gear
140 650836 Screw, 10-24 x 1/2"
149 27882 Cap, Upper valve spring
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"
183 33379 Bracket, Choke
184 33263 * Gasket, Carburetor
185 33877 Pipe, Intake
186 33371 Link, Governor lever
203 31342 Spring, Compression
204 650549 Screw, 5-40 x 7/16"
207 33878 Link, Governor lever-to-throttle
210 27793 Clip, Conduit
211 28942 Screw, 10-32 x 3/8"

222A Pop Rivet (Can be purchased locally)

222 28820 Screw, 10-32 x 1/2"
223 650378 Screw, Torx T-30, 5/16-18 x 1-1/8"
224 27915A * Gasket, Intake pipe
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"

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