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CRAFTSMAN 4-CYCLE ENGINE
MODEL: 143.993506
Ref.
No.
1
2
6
7
12
12A
12B
14
15
16
17
18
19
2O
3O
40
40
40
41
41
41
42
42
42
43
45
46
48
5O
52
69
7O
72
72A
73
75
8O
81
82
83
86
89
90
92
,'030
101
163
110
119
120
125
126
130
135
150
Part
No.
37280
26727
33734
36557
36775
36558
36694
28277
30589
34839A
31335
851018
36281
32600
37141
35544A
35545A
35546
35541
35542
35543
35547A
35548A
35549
20381
36777
32610A
27241
37032
29914
"35261
34311E
30572
28534
28833
27897
30574A
30590A
30591
30588A
650488
611004
611112
650815
650816
34443B
610118
651007
36230
*37028
36825
37288
37289
6021A
35395
31672
Ref.
Pa_
Pa_ Name
No.
No.
Cylinder (Incl. 2,20 & 150)
151
31673
Dowel Pin
151A
40017
Breather Element
169
*36783
Breather Ass'y. (Incl. 6 & 12A)
172
36784
Breather Tube
174
30200
Breather Cover & Tube (Incl. 12B)
178
29752
Breather Tube Elbow
179
30593
Washer
182
6201
Governor Rod (Incl. 14)
184
*26756
Govemor Lever
185
36785,
Governor Lever Clamp
186
34337
Screw, Torx T-15, 8-32 x 19/64 •
200
35727
Extension Spring
202
36482
Oil Seal
203
31342
Crankshaft
204
651029
Piston, Pin & Ring Set (Std.)
205
651019
Piston, Pin & Ring Set (.010 =OS)
206
610973
Piston, Pin & Ring Set (.020" OS)
207
34336
Piston & Pin Ass'y. (Std.) (Incl. 43)
209
30200
Piston & Pin Ass'y. (.010 • OS) (Incl.
215
32410
43)
223
650451
Piston & Pin Aas'y. (.020 • OS) (Incl.
224
*36786
43)
238
650932
Ring Set (Std.)
239
*34338
Ring Set (.010 • OS)
241
35797
Ring Set (.020" OS)
245
•
35066
Piston Pin Retaining Ring
250
35065
Connecting Rod Ass'y. (Incl. 46)
260
36980
Connecting Rod Bolt
261
30200
Valve Lifter
262
650831
Camshaft (NCR)
275
36790A
Oil Pump Ass'y.
277
650988
Mounting Flange Gasket
285
35000A
Mounting Flange (Incl. 72 thru 83,
287
650926
306)
290
29774
Oil Drain Plug (Incl. 73)
292
26460
Oil Drain Plug
298
28763
Drain Plug Gasket
300
36916
Oil Seal
301
36246
Govemor Shaft
305
35647
Washer
i 306
36996
Governor Gear Ass'y. (Incl. 81)
,307
35499
Governor Spool
309
650562
Screw, 1/4-20 x 1-1/4"
310
35648
Flywheel Key
313
34080
Flywheel
325
37'152
Belleville Washer
370A
36261
Flywheel Nut
370B
35169
Solid State Ignition
370C
37199
Spark Plug Cover
370K
36695
Screw, Torx T-15, 10-24 x 15/16"
Ground Wire
Cylinder Head Gasket
Cylinder Head
Exhaust Valve (Std.) (Incl. 151)
Intake Valve (Std.) (Incl. 151 )
Screw, 5/16-18 x 1-1/2"
Resistor Spark Plug (RJ19LM)
Valve Spdng
Part Name
Valve Spdng Cap
Intake Valve Seal
Valve Cover Gasket
Valve Cover
Screw, 10-24 x 9/16"
Nut & Lock Washer, 1/4-28
Retainer Clip
Screw, 1/4-28 x 7/8"
Carburetor To Intake Pipe Gasket
Intake Pipe
Govemor Link
Control Bracket (Incl. 202 thru 206)
Coml_ression Spring
Compression Spring
Screw, Torx T-10, 5-40 x 7/16"
Screw, Torx T-10, 6-32 x 41/64"
Terminal
Throttle Link
Screw, 10-24 x 9/16"
Control Knob
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
Blower Housing
Screw, 10-24 x 9/16"
Screw, 1/4-20 x 1/2"
Muffler
Screw, 1/4-20 x 2-5/16"
Starter Cup
Screw, 8-32 x 21/64"
Fuel Line
Fuel Line Clamp
Screw, 10-32 x 35164"
Fuel Tank (Incl. 292 & 301)
Fuel (3ap
Oil Fill Tube
"O"-Ring
"O"-Ring
Screw, 10-32 x 3/8"
Dipstick
Spacer
Spdng Clip
Lubdcation Decal
Control Decal
Primer Decal
Starter Decal
*Indicates Parts Included in
Gasket Set, Ref. No. 400.
Page 8
181-1190-11
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