CRAFTSMAN
4-CYCLE
ENGINE
MODEL NO. 143.986500
KEY
PART
KEY
PART
NOr
NO.
DESCRIPTION
NO.
NO,
DESCRaPTION
1
36774
Cylinder (IncL 2 & 20)
t50
35991
Valve Spring
2
26727
Dowel Pin
151
31673
Valve Spring Cap
6
33734
Breather Element
151A
40017
Intake Valve Seal
7
36557
Breather Assay (lncl 6
169
36783
* ValveCover Gasket
& 12A)
172
36784
Valve Cover
12
36775
Breather Tube
174
30200
Screw, 10-24 x 9/16"
12A
36558
Breather Cover & Tube
178
29752
Nut & Lock Washer, 1/4-
(lncL 12B)
28
12B
36694
Breather Tube Elbow
182
6201
Screw, 1/4-28 x 7/8"
14
28277
Washer
184
26756
* Carburetor To Intake
15
30589
Governor Rod (IncL 14)
Pipe Gasket
16
34839A
Governor Lever
185
36785
Intake Pipe
17
31335
Governor Lever Clamp
t86
32653
Governor Link
18
651018
Screw, Torx T-15, 8-32 x
t89
650839
Screw, 1/4-20 x 3/8"
19/64"
191
36559
S.E. Brake Bracket
19
36281
Extension Spring
(Include° 195)
20
32600
Oil Sea!
195
610973
Terminal
30
35801
Crankshaft
207
34336
Throttle Link
40
40027
Piston, Pin & Ring Set
216
33086
RPoM. Adjusting Lever
(Std)
223
650451
Screw, 1/4_20 x 1"
40
40028
Piston, Pin & Ring Set
224
36786
" intake Pipe Gasket
(.0t0" OS)
238
650932
Screw, 10-32 x 49/64"
41
40025
Piston & Pin Assay.
239
34338
* Air Cleaner Gasket
(Std_) (Incl. 43)
241
36919
Air Cleaner Collar
41
40026
Piston & Pin Ass'y.
245
36905
Air Cleaner Filter
(.010" OS) (IncL 43)
250
36920
Air Cleaner Cover
42
40006
Ring Set (Std.)
260
36980
Blower Housing
42
40007
Ring Set (°010" OS)
261
30200
Screw, 10-24 x 9/16"
43
20381
Piston Pin Retaining
262
650831
Screw, 1/4-20 x 1/2"
Ring
263A
36921
Starter Grill
45
36777
Connecting Rod Ass'yo
275
36790
Muffler
(lncL 46)
277
650988
Screw, 1/4-20 x 2-5/16"
46
32610A
Connecting Rod Bo_t
285
35000A
Starter Cup
48
27241
Valve Lifter
287
650926
Screw, 8-32 x 21/64"
50
36778
Camshaft (MCR)
290
29774
Fuel Line
52
29914
Oil Pump Ass'yo
292
26460
Fuel Line Clamp
69
35261
* Mounting Flange Gasket
296
28763
Screw, 10-32 x 35/64"
70
36995
Mounting Flange (IncL 72
300
36916
Fuel Tank (include 292
thru 83)
& 301)
72
30572
Oil Drain Plug (lncL 73)
301
36246
Fuel Cap
73
28833
Drain Plug Gasket
305
35647
Oil Fill Tube
75
27897
Oil Seal
306
36996
* "O"-Ring
80
30574A
Governor Shaft
307
35499
"O"-Ring
81
30590A
Washer
309
650562
Screw, !0-32 x I/2"
82
30591
Governor Gear Assay..
310
35648
Dipstick
(Incl. 8t)
313
34080
Spacer
83
30588A
Governor Spool
347
651038
Screw, 10-32 x 51/64"
66
650488
Screw, 1/4-20 x 1-1/4"
370A
36261
Lubrication Decal
89
611004
FlywheetKey
370C
36861
Primer Decal
90
611112
Flywheel
380
640069
Carburetor (/nc_ 184)
92
650815
Belleville Washer
390
590702
Rewind Starter
93
650816
Flywheel Nut
400
36792B
Gasket Set
I00
34443B
Solid State Ignition
(lncl. Items Marked *)
i0!
610118
Spark Plug Cover
416
36085
Spark Arrestor Kit
103
651007
Screw, Torx T-15, 10-24
(Incl. 417)(Optional)
x t5/t6"
417
650760
Screw, 8-32 x 3/8"
110
37047
Ground Wire
(Optional)
119
36787
° Cylinder Head Gasket
900
_ --
Repfacement Engine
120
36825
Cylinder Head
NONE
t25
36779
Exhaust Valve (Stdo)
900
-- --
Replacement S/B
(IncL 15t)
750832,
125
36780
Exhaust Valve (1t32"
order from 71-999).
OS)
--
-- _
RPM High 2909 to 3200
(IncL 15t)
26
36781
Intake Valve (Std.) (Incl
NOTE: This engine could have been built with 590739
15t)
starter.
26
36782
intake Valve (1/32" OS)
(IncL151)
NOTE: All component dimensTons given in US. inches
30
6021A
Screw, 5/16-t8 x 1-1/2"
1 inch = 25.4 mm
35
35395
Resistor Spark Plug
(RJ19LM)
41