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CRAFTSMAN
4-CYCLE ENGINE
MODEL
NUMBER:
143.834012
ReL
No.
2
4
5
t4
!5
16
17
18
19
2O
25
25A
25B
26
30
4O
4O
40
41
41
41
42
42
42
43
45
46
48
49
5O
6O
61
62
63
64
64A
65
69
70
72
75
8O
8t
82
83
84
86
89
9O
92
93
t00
101
102
;03
tI0
1t9
t20
!25
Part
No.
33674B
26727
3O968
30969
28277
31334
31510
31335
650548
31426
326O0
t33342
t65o139
t30322
650561
3474O
34535
34535
34537
33562B
33563B
33564B
33567
33568
33589
20381
32875
32610A
27241
32654
_158
29745
34126
65O76O
28545
30063
8345
650128
"27677A
34674B
27642
27897
30574
30590A
30591
30588A
29193
650488
610961
611081
650815
650863
34443A
610118
650872
650814
35557
"33554A
33016A
29313C
Part
Name
Cylinder
Assy
(Incl
Nos
2, 20. 72 8-
72A)
Pin, Dowet
Nipple,
Pipe
Cap, Oil drain
Washer,
Flat
Rod, Governor
Lever,
Governor
Clamp,
Governor
lever
Screw,
Hex washer
hd,
8-32 x 5/16
Spring,
Extension
Seat, Oil
Baffle,
8lower
housing
Screw,
Fil
hd
Sems, 8-32 x 1/2
Nut,
Lock, 8.32
Screw,
Hex washer
hd
Dudok,
1/4-20
x 5/8
Crankshaft
Assy
Piston,
Pin 8" Ring Assy
(Std.)
(Incl
Nos
41, 42 Et 43)
Piston.
Pin 8" Ring Assy
(.010 over-
size)
(Incl.
Nos. 41, 42 El- 43)
Piston,
Pin 8- Ring Assy
(.020 over..
size)
(fncl.
Nos
41, 42 8- 43)
Piston
8- Pin Assy
{Std ) (lncl
No 43)
Piston
8" Pin
Assy
(0t0
oversize)
i(Incl.
No
43)
Piston
8
Pin
Assy.
(020
oversize)
(Inei.
No
43)
Ring
Set, Piston
(Std.)
Ring
Set. Piston
( 010 oversize)
Ring
Set, Piston
( 020 oversize)
Ring,
Piston
pin retaining
Rod Assy , Connecting
(tnct.
Nos
46
8" 49)
Bolt,
Connecting
rod
Lifter,
Valve
Dipper,
Oit
Camshaft
(Compression
Release)
Extension,
Blower
housing
Bracket,
Grommet
mounting
Screw,
Pan hd. taptite,
8-32 x 3/8
Grommet,
Plastic
Screw,
Torx
T-30
Hex
washer
hd
Sems,
1/4-20
x 1/2
Washer,
Flat
Screw,
Hex hd
Seres, 10-24 x I/2
Gasket,
Cylinder
cover
Cover,
Cylinder
(Incl
Nos
75 8- 80}
Plug,
Pipe. 1/4-18
Seal, Oil
Shaft,
Mechanical
governor
Washer,
Flat
Gear,
Governor
(Inci
No
8!)
Spool,
Governer
Ring,
Retaining
Screw,
Hex hd
Seres.
t/4-20
x 1-l/4
Key,
Flywheel
Flywheel
(w/ring
gearl
Washer,
Belleville
Nut,
Fiywheel
Sol_d State
Assy
Cover,
Spark
plug
Stud,
Solid
state mounting
Screw,
Torx
Tq5
hex
washer
hd
Seres.
10-24 x 1
Wire,
Ground
Gasket,
Cylinder
head
Head,
Cytinder(lnct
No
131)
Valve.
Exhausl
(Std } (lncI
No
15D
ReL
Part
No.
No.
125
293t5C
126
32644A
126
32645A
127
650691
129
650818
6021A
,650694A
35395
31672
31673
"27234A
27666
31410
I
4146
35350
650128
29752
6201
650870
34583
"26756
33591
32698
33858A
203
31342
204
650649
206
510973
215
35440
219
34582
220
354,38
222
28820
223
650664
224
"33673A
260
35656A
261
29212
267
34212
268
30200
272
650735
273
33333
274
"33670A
275
35771
277
650327
285
34694
287
650884
291
30705
292
26460
298
650665
300
35584
301
36355
305
35564
307
35499
308
35539
310
35556
3!3
34080
327
35392
328
35593
130
t31 ,.
t35
t50
t51
169
170
171
172
173
174
178
181
182
183
184
185
186
200
Part
Name
Valve,
Exhaust
(!/32"
oversize)
(Incl
--
No
151)
Valve,
Intake
(Std,)
(tncl
No
151)
Valve,
Intake (1/32"
oversize)
(lnd
No
151}
Washer,
Flat
Screw,
Special
hex
hd.
5/16-18
x
l-!/2
Screw,
Hex flange hd., 5/16-18 x 1-1/2
Screw,
Hex flange hd., 5/16-18
x 2
Spark
Plug, Resistor
Spring,
Valve
Cap, Valve spring
Gasket,
Valve cover
Body,
Valve cover
Element,
VMve body
Cover,
Breather
Tube,
Breather
Screw,
Hex hd. Seres, 10-24 x 1/2
Nut 8- Lockwasher,
I/4-28
Screw,
Hex hd,
I/4-28
x 7/8
Screw,
Hex hal,
1/4.28
x 1-11/16
Bracket,
Choke
Gasket,
Carburetor
Pipe, Intake
Link, Governor
to throttle
Control
Assy.,
Bracket
(lncL
Nos..
25A, 25B, 203, 204 _ 206)
Spring,
Compression
Screw,
Fil. hal,
5-40 x 7/t6
Terminal
Assy
Knob,
Speed control
Rod, Choke
Knob,
Choke control
Screw,
Fil
hd
Sems, 10-32 x 1/2
Screw,
FiL hd Sems, 1/4.20x
lq9/32
Gasket.
Intake
Housing,
Blower
Screw,
Hex hd. Seres, t/4-28
x 7/16
Bracket,
Hold down
Screw,
Hex washer
hd self-tap
Seres,
10_24 x 9/t6
Screw,
Hex hd
Seres, tapthe,
10-24 x
3/8
Bracket,
Carburetor
cover
Gasket,
Exhaust
Muffler
{lncl
No
274)
Screw,
Fil
hd. Seres,
I/4-20
x 2-1/2
Cup, Starter
Screw,
Hex washer
hd.. 8-32 x 1/2
Line, Fuel
Clamp,
Fuel line
Screw,
Hex washer
hd serf-tap Sems,
1/4-15 x 7/8
Tank Assy,
Fuel (Incl
Nos
292 8- 301)
Cap, Fuel tank
Tube Assy,
Oii fill
"O"
Ring
Clip, Oil flit
Dipstick
Spacer,
Flywheel
key
PIug. Starter
Key. ignition
"Indicates
Parts Included
in
Gasket SaL
Ref
No 400
40
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