CRAFTSMAN
4-CYCLE
ENGINE
MODEL NUMBER 143.975504
=,
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,,
,
,
,1,1, i i ......
.,.,,,,..__
REF
PART
REF
PART
NO
NO
DESCRIPTION
NO,
NQ
DESCRIPTION
|
36478A
2
26727
6
33734
7
36557
12A
36558
128
34695
14
28277
15
30589
16
32651
17
31335
18
651018
!9
36281
20
32600
30
35798
40
36073
40
36074
40
36075
4t
36070
&t
38071_
41
36072
42
3607.6
42
36077
42
36076
43
2O381
46
30963B
46
32610A
48
27241
50
35992
52
29914
69
35261"
70
34311D
72
36083
75
27897
80
30574A
81
80590A
82
30591
83
30588A
86
650488
89
611004
90
611112
92.
650815
83
650816
100
34443A
101
610118
103
651007
110
34961
119
3_77
120
36476
t25
36471
125
36472
126
126
130
135
150
15l
169
_ 17-2
174
178
182
184
185
293148
29315C
6021A
35395
35991
31673
27234A
:_2755
30200
29752
620!
26756
36544
Cylinder (Incl 2,7,20 & 125)
!86
34337
Dowel Pin
189
650839
Breather Element
191
36559
BreatherAss'y
(.tncl 6 & 12A)
I95
610973
Breather Cover & Tube (Incl. 12B)
200
35727
Breather Tube Elbow
Washer
202
36482
Governor Rod (Incl t4)
203
31342
Governor Lever
204
650549
Governor Lever Clamp
205
650777
Screw, Torx T-15_ 8-32 x 18/64"
207
34338
Exlension Spring
209
30200
Oil Seal
215
32410
Crankshaft
223
680451
Piston, Pin & Ring Set (Std.)
224
34690A."
Piston, Pin & Ring Set:(.010 " OS)
238
650932
Piston, Pin & Rlng Set( 020" OS)
239
34338
*
Piston & Pin Ass!y. (Std.) (incL 43)
24:1
35797
Piston & PlnAss_y.
245
35066
(.0t0" OS) 0ncl 43)
250
35065
Piston & Pin Assty.
260
36915
(.020" OS) (IncL 43)
26!
30200
Ring Set (£td._i
262
650831
Ring Set ( 010" OS_
275
36473
Ring Set (.020" OS)
277
650988
Piston Pin Retaining Ring
285
35000A
Connecting Rod Ass'y {Incl: 46}
287
650926
Connecting Rod Boil
290
30705
Valve Litter
292
26460
Camshaft (MCR)
298
28763
Oil Pump Ass'y.
300
36916
Mounling-Flange Gaskel
301
36246
Mounlfng Flange (lnci 72 Ihru 83)
305
35647
Oil Drain Plug
306
36832
"
Oi! Seal
307
35499
Governor Shaft
309
650562
Washer
310
35648
Governor Gear Ass'y. (Incl 8t)
313
34080
Governor Spool
370A 3626
Screw, 1/4-20 x 1.ol/4"
370B
35167
F_ywheel Key
370C
36861
Flywheel
370K
36695
Bellevilie Washer
380
632747
Flywheel Nul
390
590694
Soiid State Ignition
400
36481
Spark Plug Cover
Screw, Torx T-I5, 10-24 x 15/16"
416
36085
Ground Wire
Cyltnder _lead Gasket
417
650760
Cylinder Head
900
Exhaust Valve (Std.) (Incl 151)
Exhaust Valve
900
{1/32" OS) (IncL 151)
Intake Valve (Std.) (Incl. 151)
......
lnlake Valve (1132° OS) (fncf. 151}
........
Screw, 5/16-18 x 1-1/2"
Resistor Spark Plug (RJ19LM)
Valve Spring
Valve Spring Cap
Valve Cover Gasket
Valve.Cover
Screw, 10..24 x 91t6"
Nut & Lock Washer, 1/4-28
Screw, t/4.28 x 718"
Carburetor To fnlake Pipe Gasket
Intake Pipe
Governor Unk
Screw, t/4-20 x 3/8"
S.E. Brake Bracket (IncF 195)
Terminal
Control Bracket (Inet 202 Thru
205)
Compression Spring
Compression Sp'ring
Screw, 5-40 x 7/t6"
Screw, 6-32 x 21/32"
Throttle Link
Screw, 10-24 x 9/16:
Con[rot Knob
Screw, 1/4..20 x 1!
Intake Pipe Gasket
Screw.: 10-82 Z _.9f64'_
Air Cteaner GaskeL
Air Cteaner Cotlar
Air Cleaner Filter
Air Cleaner Cover
Blower Hous!r;g.
Screw, 10.24 x 9/16"
Screw, 1/4-20 x 1/2"
Muffler (Incf_ 277)
.
Screw, 1/4-20.x 2-5/t6
Starter Cup
Screw, 8-32 x 21/84"
Fuel Line
Fuel Line Clamp
Screw, 10-32 x 35/64"
Fuel Tank (Incl 292 & 301)
Fuel Cap
Oil Fill Tube
"O"_Ring
"O"-Ring
Screw, 10-32 x 1/2"
D_pstick .
Spacer
Lubrication Decal
Control Decal
Primer Decal
Stealer Decal
Carburelor (Incl. 184)
Rewind Starter
Gasket Set
(lncL Items Marked" In Notes)
Spark Arrestor Kit
(tnc]. 417)(Oplional)
Screw, 8-32 x 3/8" {Optional)
Replacement Engine 750783A,
order [rom 71-999 1
Replacement S/B 750733A,
order from71-999
1
RPM High 2900 to 3200
RPM L.ow2450 to 2750
(NOTE: This engine could have been built with
590737 slarter. Refer lo the design el the rope pulley
slrenglh ribs for part identification, Individual starler
parts do nol inlerchange.) tncL Part #'s 26756
34690A (1), 35261 (1),36477 (I)
NOTE: All component dimensions given in U S
Inches 1 inch = 25.4 mm
35