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CRAFTSMAN
4-CYCLE
ENGINE
MODEL NUMBER 143.986718
KEY
PART
NO.
NO.
DESCRIPTION
1
36835A
2
26727
6
33734
7
36557
12 32447
12A 36558
12B 36694
14 28277
15
30589
16
34839A
17 31335
18
651018
19
36281
20
32600
30
35801
40
35544A
35545A
35546
41
35541
35542
35543
42
35547A
35548A
35549
43
20381
45
32875A
46
32610A
48
35616
50
37285
52
29914
69
35261
70
34311E
72
30572
73
28833
75
27897
80
30574A
81
30590A
82
30591
83
30588A
66
650488
89
611004
90
611044
92
650815
93
650816
100
34443B
101
610118
103
651007
110
37047
110A 36953
110B
36954
119
36738
120
36721
125
36471
125
36472
126
29314(3
126
29315C
130
650912
130A 650999
135
34645
150
31672
151
31673
153
36649
154
650913
KEY
PART
NO.
NO.
DESCRIPTION
Cylinder (Incl. 2 & 20)
155
35624A
Rocker Arm
Dowel Pin
157
650914
Lock Nut
Braather Element
158
36629
Push Rod
Braather Ass'y. (Incl. 6 & 12A)
159
35626
• Rocker Arm Cover Gesket
Breather Tube
160
35718
Rocker Arm Cover
Braather Cover & Tube (Incl.
161
30063
Scraw, Torx T-30, 1/4-20 x 1/2"
12B)
178
29752
Nut & Lock Wesher, 1/4-28
Braather Tube Elbow
182
30088A
Scraw, 1/4-28 x 1"
Washer
184
26756
* Carburetor Gasket
Governor Rod (IncL 14)
185
36579
Intake Pipe
Governor Lever
186
32653
Govemor Link
Govemor Lever Clamp
187
36580
Spacer
Screw, Torx T-15, 8-32 x 19/64"
189
650831
Screw, 1/4-20 x 1/2"
Extension Spring
191
36559
S.E. Brake Ass'y. (Incl. 195)
Oil Seal
195
610973
Terminal
Crankshaft
196
35035
Power Restart Switch
Piston, Pin & Ring Set (Std.)
207
34336
"l_rottle Link
Piston, Pin & Ring Set (.010" OS)
216
33086
R.PM. Adjusting Lever
Piston, Pin & Ring Set (.020" OS)
223
651044
Screw, 1/4-20 x 2-25/32"
Piston & Pin Ass',/. (Std.)
223A
651043
Screw, 1/4-20 x 1-31/64"
Piston & Pin Ass'y. (.010" OS)
224
36581
* Intake Pipe Gasket
(Inol. 43)
238
650932
Scraw, 10-32 x 49/64"
Piston & Pin Ass'),. (.020" OS)
239
34338
* Air Cleaner Gasket
(Incl. 43)
241
36919
Air Cleaner Collar
Ring Set (Std.)
245
36905
Air Clesner Filter
Ring Set (.010" OS)
250
36920
Air Cleaner Cover
Ring Set (.020" OS)
260
37180
Blower Housing
PistonPin Retaining Ring
261
30063
Screw, Torx T-30, 1/4-20 x 1/2"
Connecting Rod Ass'y. (Incl. 46)
262
650831
Screw, 1/4-20 x 1/2'
Connecting ROd Bolt
263A
37184
Starter Gdll
Valve Lifter
275
36950A
Muffler (Incl. 276 & 277)
Camshaft (MCR)
276
36949
Locking Plate
Oil Pump Ass'y.
277
651039
Screw, 1/4-20 x 2-47/64"
• Mounting Flange Gasket
285
35000A
Starter Cup
Mounting Flange (Incl. 72 thru
287
650826
Screw, 8-32 x 21/64"
83,306)
290
29774
Fuel Line
Oil Drain Plug (Incl. 73)
292
26460
Fuel Line Clamp
Drain Plug Gasket
298
28763
Scraw, 10-32 x 35/64"
Oil Seal
300
36916
Fuel Tank (IncL 292 & 301)
Governor Shaft
301
36246
Fuel Cap
Washer
305
35647
Oil Fill Tube
Governor Gear Ass'y. (Incl. 81)
306
36996
* _O'-Ring
Governor Spool
307
35499
=O'-RIng
Screw, 1/4-20 x 1-1/4"
309
650562
Screw, 10-32 x 1/2"
Flywheel Key
310
35648
Dipstick
Flywheel
313
34080
Spacer
BellevilleWasher
314
650767
Screw, 8-32 x 27/64"
Flywheel Nut
315
36952
Aitemator Coil
Solid State Ignition
322
35013
Connector Body
Spark Plug Cover
322A
610885
Connector Body
Scraw, TorxT-15, 10-24x15/16"
325
35249
SpdngClip
Ground Wira
325A
37152
Spdng Clip
Grouod Wire
341A
36578
Slower Housing Support Bracket
D.C. StarterWira
347
651038
Screw, 10-32 x27/32"
• Cylinder Haad Gasket
370A
36261
LubricationDecal
CyfinderHead
370C
37199
Primer Decal
ExhaustValvs(Std.)(Incl.
151)
380
640195
Carburetor(Incl. 184)
Exhaust Valve (1/32" OS) (thcL
390
590739
Rewind Starter
151)
395
35709
Electdc Starter Motor (12 Volt)
Intake Valve (Std.) (Incl. 151)
400
36806B
Gasket Set (IncL Items Marked ")
Intake Valve (1/32" OS) (Ind.
900
----
Replacement Engine NONE
151)
900
----
Replacement S/B 750834, order
Screw, 5/16-18 x 1-1/2"
from 71-999
Screw, 5/16-18 x 2-41/64"
RPM High 3000 to 3300
Resistor Spark Plug (RN4C)
Valve Spring
NOTE This engine could have been built with 590702
Valve Spdng Cap
starter).
Push Rod Guide
NOTE: All component dimensionsgiven in U.S. inches
Rocker Arm Stud
1 inch = 25.4 mm
41
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