Page 1
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
TNT120-12003B Page 1 of 6
Engine Parts List #1
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Page 2
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
TNT120-12003B Page 2 of 6
Engine Parts List #1
Ref # Part Number Qty Description
1 33899A Cylinder (Incl. 2, 4 & 56) (2-13/16" Bore)
2 26727 Pin, Dowel
4 32600 Seal, Oil
5 30589 Rod, Governor (Incl. 6)
6 28277 Washer, Flat
7 32651 Lever, Governor
8 31335 Clamp, Governor lever (Clamp is positioned towardsspark
plug end on 1977-78 and latermodels. It is positioned
opposite spark plugend on earlier models.)
9 650548 Screw, 8-32 x 5/16"
10 34085 Crankshaft
11 29783 Pin, Crankshaft (Not used on late pro duction)
12 27613 Gear, Crankshaft (Not serviceable on late production)
13A 33562B Piston & Pin Ass'y.(Incl.14)(Std.)(2- 13/16")
13A 33563B Piston & Pin Ass'y. (Incl. 14) (.010" OS)
13A 33564B Piston & Pin Ass'y. (Incl. 14) (.020" OS)
13 34535 Piston, Pin & Ring Set (Std.) (2-13/1 6" Bore)
13 34536 Piston, Pin & Ring Set (.010" OS)
13 34537 Piston, Pin & Ring Set (.020" OS)
14 20381 Ring, Piston pin retaining
15 33567 Ring Set (Std.) (2-13/16" Bore)
15 33568 Ring Set (.010" OS)
15 33569 Ring Set (.020" OS)
17 32610A Bolt, Connecting rod
20 27241 Lifter, Valve
21 33553 Camshaft (MCR)
22 29914 Pump Assy., Oil
24 35261 * Gasket, Mounting flange
25 34311B Flange Ass'y. (Incl. 27, 28, 29 & 30 )
26 28833 * Drain Plug Gasket (Not req. w/plastic plug)
27 27244 Plug, Oil drain
28 27897 Seal, Oil
30 30574 Shaft, Mechanical governor
31 30590A Washer, Flat
32 31947 Gear Assy., Governor
33 33903 Spool, Governor
34 29193 Ring, Retaining
35 650488 Screw, 1/4-20 x 1-1/4"
36 29314B Intake Valve (Std.) (Incl. 40)
36 29315C Intake Valve (1/32" OS) (Incl. 40)
37 29313C Exhaust Valve (Std.) (Incl. 40)
37 29315C Exhaust Valve (1/32" OS) (Incl. 40)
38 31671 Cap, Upper valve spring
38A 31671 Cap, Upper valve spring (Intake)
39 31672 Spring, Valve (Exhaust)
40 31673 Cap, Lower valve spring
42 610118 Cover, Spark plug (Use as required)
43 27275 Clip, Hi tension wire
45 610951 Key, Flywheel
46 34214A Breather Ass'y. (Incl. 47 thru 51)
47 33735 * Gasket, Breather
48 33734 Element, Breather
49 30200 Screw, 10-24 x 9/16"
50 33886 Tube, Breather
51 33887 Clip, Breather tube
52 33888 Ground Wire
53 30200 Screw, 10-24 x 9/16"
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Page 3
For Discount Tecumseh Engine Parts Call 606-678-9623 or 606-561-4983
TNT120-12003B Page 3 of 6
Engine Parts List #1
Ref # Part Number Qty Description
54 650561 Screw, 1/4-20 x 5/8"
55 33891B Housing, Blower
56A 650738 Screw, 1/4-20 x 5/8"
56 650737 Screw, 1/4-20 x 1/2"
57 33554 * Gasket, Cylinder head
58 34342 Head, Cylinder
59 26073 Washer, Flat (Not used on late produc tion)
60 6021A Screw, 5/16-18 x 1-1/2"
63 30593 Clip, Magneto wire
64 33636 Resistor Spark Plug (RJ-8C)
64 34251 Resistor Spark Plug (RJ-17LM)
65 27234 * Gasket, Valve spring cover
66 32755 Cover, Valve spring box
67 650128 Screw, 10-24 x 1/2"
68 32649 * Gasket, Intake pipe
69 33004A Pipe, Intake (Incl. 68)
70 650451 Screw, 1/4-20 x 1"
71 31688 * Gasket, Carburetor
72 6201 Screw, 1/4-28 x 7/8"
73 29752 Nut & Lockwasher Assy.
74 610973 Terminal Assy. (Use as required)
80 27793 Clip, Conduit
80A 28942 Screw, 10-32 x 3/8"
81 34336 Link, Throttle
82 33151 Link, Governor spring
83A 33086 Lever, Speed adjusting
83 31361 Spring, Governor
84 33932 Terminal
86A 30081 * Gasket, Muffler
87 34265 Gasket, Oil fill tube
88 650562 Screw, 10-32 x 1/2"
89 34380 Tube, Oil filler
90 33894A Dipstick, Oil (Incl. 91)
91 33590 "O" Ring
92 33895 Body, Air cleaner
93 33896 Filter, Air cleaner
94 33897 Cover, Air cleaner
95 650762 Screw, 10-32 x 1-29/32"
96 650784 Screw, 10-24 x 11/16"
97 33051 * Gasket, Air cleaner
98 33933 Terminal
99 792025 Screw, 10-24 x 1/2"
100 30705 Fuel Line (Braided 16")
101 26460 Clamp, Fuel line
102 29443 Clip, Fuel line
103 33904B Fuel Tank (Incl. 101)
104 28763 Screw, 10-32 x 19/32"
105 730207 Magneto-to-Solid State Conversion Kit (Includes solid state
module, Solid State Flywheel Key, and instructions) (Use as
required on external ignition engines only)
122 650791 Washer, Flat
123 650815 Washer, Belleville
124 650607 Nut, Flywheel
125 34099 Bracket
126 27070 Lockwasher
137 631021 Inlet Needle, Seat & Clip Assy.
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Page 4
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TNT120-12003B Page 4 of 6
Engine Parts List #1
Ref # Part Number Qty Description
140 632050 Carburetor (Incl. 71, 72, 95 & 137) (Refer to Division 5,
Section A, page A2-10 for breakdown)
142 590519 Side Mount Rewind Starter (Refer to Division 5, Section C,
page 27 for breakdown)
144 33906A * Gasket Set (Incl. items marked *)
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Page 5
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TNT120-12003B Page 5 of 6
Engine Parts List #2
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Page 6
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TNT120-12003B Page 6 of 6
Engine Parts List #2
Ref # Part Number Qty Description
3 32323 Washer, Thrust
16A 32875 Rod Assy., Connecting (Incl. 17)
17 32610A Bolt, Connecting rod
23 32609 Plate, Lock (Used on early production with No. 32610
connecting rod bolt. Donot use with No. 32610A locking type
bolt.)
41 650489 Screw, 1/4-20 x 5/8"
44 33876 Gasket, Stator
54 650561 Screw, 1/4-20 x 5/8"
74 610973 Terminal Assy. (Use as required)
128A 33914 Cup (Early production only, not w/650 791)
138 30547A Contact Assy., Breaker
139 30548B Condenser
141 610964 Magneto (w/ring gear) NOTE: The complete magneto is not
available as an assembly. The magneto number is shown for
reference purposes only. Order componentparts individually,
as shown in parts list. (Refer to Division 5, Section B, page
35 for breakdown)
143 Electric Starter Kit (Supplied by OEM )
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