CRAFTSMAN
4-CYCLE
ENGINE
MODEL NUMBER 143.984500
KEY
PART
KEY
PART
NO.NO
DESCRIPTION
NO.
NO.
DESCRIPTION
1
2
6
7
12
12A
128
14
15
16
17
i8
19
2O
30
4O
4O
4O
41
41
41
42
42
42
43
45
46
48
5O
52
69
70
72
75
80
81
82
83
86
B9
9O
92
93
100
101
103
110
1t9
120
t25
125
126
126
37O27
26727
33734
36557
36775
36558
36694
28277
3O589
34839A
31335
651018
36281
326OO
36793
35544A
35545A
35546
35541
35542
35543
35547A
35548A
35549
2O381
36777
326!0A
27241
37032
29914
35261
36995
3608-3
27897
30574A
3059OA
30591
30588A
65O488
611004
611112
650815
65O816
344438
610118
651007
37047
37O28
36788
36779
36780
36781
36782
Cylinder (Incl,2 & 20)
130
602tA
Screw, 5/16-t8 x t-112"
Dowel Hn
135
35395
Resistor Spark Plug
Breather Element
(J19LM)
Breather Assy. (Incl. 6 &
150
35991
Valve Spring
12A)
151
31673
Valve Spring Cap
Breather Tube
151A
40017
Intake Valve Seal
Breather Cover & Tube
169
36783
"Valve Cover Gasket
(lncL t2B)
172
36784
Valve Cover
Breather Tube Elbow
174
30200
Screw, 10-24 x 9/16"
Washer
178
29752
Nut& Lock Washer, 1/4-28
Governor Rod (lncL14)
182
6201
Screw, t/4-28 x 7/8"
Governor Lever
184
26756
"CarburetorTo Intake Pipe
Governor Lever Clamp
Gasket
Screw,Torx'l"-t 5, 8-32 x
185
36785
Intake Pipe
19/64"
I86
32653
Governor Link
Extension Spring
189
650839
Screw, 11,$-20 x 3/8"
Oil Seat
I9I
36559
S.E. Brake Bracket (incL
Crankshaft
195)
Piston, Pin & Ring Set
195
610973
Terminal
(Std.)
207
34336
Throttle Link
Piston, Pin & Ring Set
216
33086
RoPoM, A djusting Lever
(.010" OS)
223
650451
Screw, 1/4-20 x 1"
Piston, Pin & Ring Set
224
36786
* Intake Pipe Gasket
(.020" OS)
238
650932
Screw, 10-32 x 49164"
Piston & Pin Assty. (Std.)
239
34338
"Air Cleaner Gasket
(Inc!.4-3)
241
35797
Air Cleaner Collar
Piston & Pin Ass'y.
245
35066
Air CleanerFilter
(,010" OS) (incl. 43)
250
35065
Air Cleaner Cover
Piston & Pin Ass'y.
260
36980
Blower Housing
(.020 OS) (IncL 43)
261
30200
Screw, 10"24 x 9/16"
Ring Set (Std.)
262
650831
Screw, 1/4-20 x 1/2"
Ring Set (.010" OS)
275
36790
Muffler
Ring Set (.020 OS)
277
650988
Screw, 1/4-20 x 2-5/16"
Piston Pin Retaining Ring
285
35000A
Starter Cup
Connecting Rod Assty.
287
650926
Screw, 8-32 x 21/64"
(tncL46)
290
29774
Fuel Line
Connecting Rod Bolt
292
26460
FuelLine Clamp
Valve Lifter
298
28763
Screw, 10-32 x 35164"
Camshaft (NCR)
300
36916
Fuel Tank (Incl. 292 & 301)
Oil Pump Ass'y.
30t
36246
Fuel Cap
Mounting FlangeGasket
305
35647
0_1RltTube
Mounting Flange (Incl. 72
306
36996
""O"-Rtng
thru83)
307
35499
"O"-Ring
Oil DrainPtug
309
650562
Screw, 10-32 x 1/2"
Oil Seal
310
35648
Dipstick
GovernorShaft
313
34080
Spacer
Washer
370A
36261
Lubfica_n
Decal
GovemorGear Ass'y. (Inel.
370C
36861
PrimerDecal
81)
370K
36695
Starter Decal
Governor Spool
380
640124
Carburetor (lnclo184)
Screw, 1/4-20 x 1-114"
390
590694
Rewind Starter
Flywheel Key
400
37029A
Gasket Set
Flywheel
(incL Items Marked" in
BeIlevitleWasher
Notes)
Flywheel Nut
416
36085
Spark Arrestor Kit
SolidState Ignition
(IncL 417)(Optional)
Spark PlugCover
417
650760
Screw, 832 x 3/8"
Screw, Torx T-15, 10-24 x
(Optional)
15/16"
900
Replacement Engine
Ground Wire
750830,
Cylinder Head Gasket
orderfrom 71-999
Cylinder Head
900
----
Replacement S/B 750806,
ExhaustValve (Std.) (Inclo
orderfrom71-999
151)
RPM High 2900 to 3200
ExhaustValve
(1/32"OS) (Incl, 151)
NOTE: This engine could have been builtwilh590737
Intake Valve (Std)
starter.
(Inclo151)
Intake Valve (1/32" OS)
NOTE: All component dimensions givenin U& Inches
(IncL 151)
t inch = 2&4 mm
37