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TECUMSEH 4-CYCLE ENGINE MODEL NUMBER 143.033700
KEY PART
NO. NO. DESCRIPTION
KEY PART
NO. NO. DESCRIPTION
1 37791 Cylinder 172 36784
(Includes Key Numbers 2 and 20) 174 30200
2 26727 Dowel Pin 178 29752
6 33734 Breather Element 182 6201
7 36557 Breather Assembly 184 26756
(Includes Key Numbers 6 and 12A) 185 37794
12 32447 Breather Tube 186 32653
12A 36558 Breather Cover &Tube 189 650839
12B 36694 BreatherTube Elbow 191 36559A
14 28277 Washer
15 30589 Governor Rod (Includes Key #14) 195 610973
16 34839A Governor Lever 207 34336A
17 31335 Governor Lever Clamp 216 33086
18 651018 Screw,"1"-15,#8-32 x 19/64" 223 650451
19 33578 Extension Spring 224 37793
20 32600 Oil Seal 238 650932
30 37804 Crankshaft 239 34338
40 40034 Piston, Pin & Ring Set (Standard) 241 35797
41 40051 Piston & Pin Assembly (Standard) 245 35066
(Includes Key Numbers 43) 250B 35065
43 20381 Piston Pin Retaining Ring 260 37808
45 30963B Connecting Rod Assembly 261 30200
(Includes Key Number 46) 262 650831
46 32610A Connecting Rod Bolt 275 37192A
48 27241 Valve Lifter 275A 36838A
50 37575 Camshaft (NCR)
(Includes Key Number 104)
52 29914 Oil Pump Assembly 277 650988
69 37609 * Mounting Flange Gasket 284 36663
70 37607 Mounting Flange
(Includes Key Numbers 72 thru 83) 284A 650821
72 37614 Oil Drain Plug 285 35000A
72A 28534 Oil Drain Plug 287 650926
75 27897 Oil Seal 290 29774
80 30574A Governor Shaft 292 26460
81 30590A Washer 300 35586A
82 30591 Governor Gear Assembly
(Includes Key Number 81) 301 36246
83 30588A Governor Spool 311 27625
86 650488 Screw, 1/4-20x 1-1/4" 312 29673
89 611004 Flywheel Key 313 34080
90 611112 Flywheel 370C 37318
92 650815 Belleville Washer 370K 36695
93 650816 Flywheel Nut 380 640339
100 34443C Solid State Ignition 390 590737
101 610118 Spark Plug Cover 400 37809
103 651007 Screw,"1"-15,#10-24 x 15/16"
104 37480 Cam Bushing 416 36085
110 37047 GroundWire
119 37755 * Cylinder Head Gasket 417 650821
120 37807 Cylinder Head 900 750884
125 37806 Exhaust Valve (Standard Size) 750892
(Includes Key Number 151)
126 37805 Intake Valve (Standard Size)
(includes Key Number 151)
130 6021A Screw, 5/16-18 x 1-1/2"
135 35395 Resistor Spark Plug (RJ19LM)
150 31672 Valve Spring
151 31673 Valve Spring Cap
151A 40016A Intake Valve Seal
169 36783 * Valve Cover Gasket
Valve Cover
Screw, #10-24 x 9/16"
Nut & Lock Washer, 1/4-28
Screw, 1/4-28 x 7/8"
* Carburetor To Intake Pipe Gasket
Intake Pipe
Governor Link
Screw, 1/4-20 x 3/8"
S.E. Brake Bracket
(Includes Key Number 195)
Terminal
Throttle Link
R.P.M. Adjusting Lever
Screw, 1/4-20 x 1"
* Intake Pipe Gasket
Screw, #10-32 x 49/64"
* Air Cleaner Gasket
Air Cleaner Collar
Air Cleaner Filter
Air Cleaner Cover (Craftsman)
Blower Housing
Screw, #10-24 x 9/16"
Screw, 1/4-20 x 1/2"
Muffler
Spark Arrestor Muffler (Optional)
(Includes Key Numbers
284, 284A, 416 and 417)
Screw, 1/4-20 x 2-5/16"
Muffler Deflector (Optional)
(Includes Key Number 284A)
Screw, #10-32 x 1/2" (Optional)
Starter Cup
Screw, #8-32 x 21/64"
Fuel Line
Fuel Line Clamp
Fuel Tank (Includes Key
Numbers 290, 292 and 301)
Fuel Cap
Oil Fill Plug
* Oil Fill Plug Gasket
Spacer
Primer Decal (3X)
Starter Decal
Carburetor (Includes Key #I 84)
Rewind Starter
Gasket Set
(Includes All Items Marked * )
Spark Arrestor Kit (Optional)
(Includes Key Number 417)
Screw, 10-32 x I/2" (Optional)
Replacement Engine
Replacement Short Block
(order from 71-999)
RPMs: High: 2900 to 3200
NOTE: This engine could have been built with
Recoil Starter 590694.
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm.
33
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