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CRAFTSMAN
4-CYCLE
ENGINE
KEY
PART
NO.
NO.
DESCRIPTION
KEY
NO.
MODEL NUMBER 143.996504
PART
NO.
DESCRIPTION
1
37266
2
26727
6
33734
7
36557
12
36775
12A
36558
12B
36694
14
28277
15
30589
16
34839A
17
31335
18
651018
19
36281
20
32600
30
35801
40
40027
40028
41
40025
4O026
42
40006
40OO7
43
20381
45
36777
46
32610A
48
27241
50
36778
62
29914
69
35261
70
34311E
72
30572
73
28833
75
27897
80
30574A
91
30590A
82
30591
83
30588A
86
650488
89
611004
90
611150
92
650815
93
650816
100
34443B
101
610118
103
651007
110
37047
110A
36953
110B
36954
119
36787
120
36825
125
37288
126
37289
130
6021A
135
35395
150
31672
151
31673
151A
40017
169
36783
172
36784
174
30200
Cylinder (Incl. 2,20 & 150)
178
29752
Nut & Lock Washer, 1/4-28
Dowel Pin
182
6201
Screw, 1/4-28 x 7/8"
Breather Element
184
26756
Carburetor To Intake Pipe
Breather Ass'y.
Gasket
(Incl. 6 & 12A)
185
36785
Intake Pipe
Breather Tube
186
32653
Governor Link
Breather Co_er & Tube
189
650831
Screw, 1/4-20 x 1/2"
(Incl. 12B)
191
36559A
S.E. Brake Bracket
Breather Tube Elbow
(Include. 195)
Washer
195
610973
Terminal
Governor Rod (Incl. 14)
196
35035
Power Restart Switch
Governor Lever
207
34336
Throttle Link
Governor Lever Clamp
216
33086
R.P.M. Adjusting Lever
Screw, Torx
223
650451
Screw, 1/4-20 x 1"
"1"-15,8-32 x 19164"
224
36786
Intake Pipe Gasket
Extension Spdng
238
650932
Screw, 10-32 x 49/64
Oil Sea]
239
34338
Air Cleaner Gasket
Crankshaft
241
36919
Air Cleaner Collar
Piston, Pin & Ring Set (Std,)
245
36905
Air Cleaner Filter
Piston, Pin & Ring Set
250
36920
Air Cleaner Cover
(.010" OS)
260
36980
Blower Housing
Piston & Pin Ass'y. (Std,)
261
30200
Screw, 10-24 x 9/16"
(Incl. 43)
262
650831
Screw, 1/4-20 x 1/2"
Piston & pin Assay.
263A
36921
Starter Grill
(.010" OS) (Incl.43)
275
36790
Muffler
Ring Set (Std.)
277
650988
Screw, 1/4-20 x 2-5/16"
Ring Set (.010" OS)
285
35000A
Starter Cup
Piston Pin Retaining Ring
287
650926
Screw, 8-32 x 21/64"
Connecting
Rod Ass'y.
290
29774
Fuel Line
(Incl. 46)
292
26460
Fuel Line Clamp
Connecting Rod Bolt
298
28763
Screw,
10-32 x 35/64"
Valve Lifter
300
36916
Fuel Tank
Camshaft (MCR)
(Include. 292 & 301)
Oil Pump Ass'y.
301
36246
Fuel Cap
Mounting Flange Gasket
305
35647
Oil Fill Tube
Mounting Flange
306
36996
"O"-Ring
(Incl. 72 thru 83,306)
307
35499
=O"-Riag
Oil Drain Plug (Incl. 73)
309
650562
Screw, 10-32 x 1/2"
Drain Plug Gasket
310
35648
Dipstick
Oil Seal
313
34080
Spacer
Governor Shaft
314
650767
Screw, 8+32 x27/64"
Washer
315
36952
Alternator Coil
Govemor Gear Assay.
322
35013
Connector Body
(Incl. 81)
322A
610885
Connector Body
Govemor Spool
325
35249
Spring Clip
Screw, 1/4-20 x 1-1/4"
325A
37152
Spring Clip
Flywheel Key
347
651038
Screw, 10-32 x 51/64"
Flywheel
370A
36261
Lubrication Decal
Belleville Washer
370C
37199
Primer Decal
Flywheel Nut
380
640174
Carburetor (Incl, 184)
Solid State Ignition
390
590739
Rewind Starter
Spark Plug Cover
395
35709
Electric Starter Motor
Screw, Torx %15,
(12 Volt)
10-24 x 15/16"
400
36792B
Gasket Set
Ground Wire
(Incl. Items Marked °)
GrourJd Wire
416
36085
Spark Arrestor Kit
D.C. Starter Wire
(Incl. 417)(Optional)
Cylinder Head Gasket
417
650821
Screw, 10-32 x 1/2"
Cylinder Head
(Optional)
Exhaust Valve (Std.)
900
Replacement
Engine NONE
(Include. 151)
900
-- --
Replacement
S/B 750832,
Intake Valve (Std.) (incl. 151)
order from 71-999
Screw, 5/16-18 x 1+1/2"
----
RPM High 2900 to 3200
Resistor Spark Plug
(RJ19LM)
NOTE:
This
engine
could
have been
built with
Valve Spring
Valve Spring Cap
590702
starter.
Intake Valve Seal
Valve Cover Gasket
NOTE:
All component
dimensions
given
in U.S.
Valve Cover
Screw. 10-24 x 9/16"
43inches
1 inch = 25.4
mrn
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