Tecumseh HM100-159000C Parts Manuals

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

HM100-159000C 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

HM100-159000C Page 2 of 10
Engine Parts List #1

Ref # Part Number Qty Description

1 34922A Cylinder (CI liner)(3-5/16")(Incl.2,2 0 & 72)
2 27652 Pin, Dowel

15B 650494 Screw, 6-40 x 5/16"

15 30699C Rod Assy., Governor (Incl. 15A & 15B)

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

as required)

25 29536 Blower Housing Baffle (Without 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 34860A Piston, Pin & Ring Set (Std.)(3-5/16" )
40 34861A Piston, Pin & Ring Set (.010" OS)
40 34862A Piston, Pin & Ring Set (.020" OS)
41 34863 Piston & Pin Ass'y. (Std.)(3-5/16")(I ncl.43)
41 34864 Piston & Pin Ass'y. (.010" OS) (Incl. 43)
41 34865 Piston & Pin Ass'y. (.020" OS) (Incl. 43)
42 34866A Ring Set (Std.) (3-5/16" Bore)
42 34867A Ring Set (.010" OS)
42 34868A 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
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

93 8116 Nut, Hex
103 650489 Screw, 1/4-20 x 5/8"
108 29783 Pin, Crankshaft gear (Only serviceable when gear is pinned

to crank.)

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

HM100-159000C Page 3 of 10
Engine Parts List #1

Ref # Part Number Qty Description

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)
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
134 30747 Clip, Spark plug shorting
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 34707 Pipe, Intake
186 34661 Link, Governor lever
200 34664 Control Bracket (Incl.19,203, 204, 20 6 & 209)
203 31342 Spring, Compression
204 650549 Screw, 5-40 x 7/16"
207 33878 Link, Governor lever-to-throttle
209 650821 Screw, 10-32 x 1/2"
210 27793 Clip, Conduit
211 28942 Screw, 10-32 x 3/8"

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)

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