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CRAFTSMAN 4-CYCLEENGINE
MODEL NUMBER 143.994004
KEY
PART
NO.
NO.
DESCRIP_ON
1
37280
2
26727
6
33734
7
36557
12
36775
12A
36558
12B
36694
14
28277
15
30589
16
34839A
17
31335
18
651018
19
36281
20
32600
30
36793
40
35544A
35545A
35546
41
35541
35542
35543
42
35547A
35548A
35549
43
20381
45
36777
46
32610A
48
27241
50
37032
52
29914
69
35261
70
32612C
72
36O83
75
27897
80
30574A
8t
30590A
82
30591
83
30588A
86
650488
89
611004
90
611112
92
650815
93
650816
100
34443B
101
610118
103
651007
110
37047
119
37028
120
36825
125
37288
126
37289
KEY
NO.
PART
NO.
Cylinder
130
6021A
(Incl. 2,20 & 150)
135
35395
Dowel Pin
Breather Element
150
31672
Breather Ass'y.
151
31673
(incl. 6 & t2A)
151A
40017
Breather Tube
169
36783
Breather Cover & Tube
172
36784
(Ind. 12B)
174
30200
Breather Tube Elbow
178
29752
Washer
Governor Rod (IncL 14)
182
6201
Governor Lever
184
26756
Governor Lever Clamp
Screw, Torx T-15, 8-32 x
185
36785
19/64 •
186
32653
ExtensionSpring
189
650839
Oil Seal
191
36559A
Crankshaft
Piston, Pin & Ring Set
195
610973
(Std.)
"207
34336
Piston, Pin& Ring Set
216
33086
(.010" OS)
"223
650451
Piston, Pin & Ring Set
224
36786
(.020• OS)
238
650932
Piston& Pin Ass'y.
239
34338
(Std.) (Incl. 43)
241
35797
Piston& Pin Ass'y.
245
35066
(.010• OS) (Incl. 43)
250
35065
Piston& Pin Ass'y.
260
36834
(.020" OS) (Incl. 43)
261
30200
Ring Set (Std.)
262
650831
Ring Set (.010" OB)
275
36790A
Ring Set (.020 OS)
277
650988
PistonPin Retaining
285
35000A
Ring
287
650926
ConnectingRod Ass'y.
290
34357
(Incl. 46)
292
26460
Connecting Rod Bolt
300
35586
Valve Lifter
Camshaft (NCR)
301
36246
Oil Pump Ass'y.
311
27625
* Mounting Flange Gasket
313
34080
Mounting Flange
370A
36261
(Incl. 72 thru 83)
370C
37199
Oil Drain Plug
370K
36695
Oil Seal
380
640174
Governor Shaft
390
590737
Washer
400
37029A
Governor Gear ASS'y.
(Incl. 81)
416
36085
Governor Spool
Screw, 1/4-20 x 1-114 •
417
650821
RywheelKey
Flywheel
900
----
BellevilleWasher
FlywheelNut
Solid State Ignition
900
---
SparkPlug Cover
Screw, Torx T-15,
10-24 x 15/16 •
Ground Wire
* Cylinder Head Gasket
Cylinder Head
ExhaustValve (Std.)
(Incl. 151)
Intake Valve (Std.)
(Incl. 1 51)
DESCRIPTION
Screw, 5/16-18 x 1-1/2•
ResistorSpark Plug
(RJtgLM)
Valve Spring
Valve Spdng Cap
Intake Valve Seal
* Valve Cover Gasket
Valve Cover
Screw, 10-24 x 9/16•
Nut & LockWasher,
114-28
Screw, 1/4-28 x 7/8•
• CarburetorTo Intake
Pipe Gasket
Intake Pipe
Governor Link
Screw, 1/4-20 x 3/8"
S.E. Brake Bracket
(Incl. t95)
Terminal
Throttle Link
R.P.M. AdjustingLever
Screw, 1/4-20 x 1"
• Intake Pipe Gasket
Screw, 10-32 x 49/64"
• Air Cleaner Gasket
Air Cleaner Collar
Air Cleaner Filter
Air Cleaner Cover
Blower Housing
Screw, 10-24 x 9/16"
Screw, 1/4-20 x 1/2"
Muffler
Screw, 114-20x 2-5/16"
Starter Cup
Screw, 8-32 x 21164 •
Fuel Line
Fuel Line Clamp
FuelTank
(incl.292 & 301)
Fuel Cap
Oil Fig Plug
Spacer
Lubrication Decal
PrimerDecal
Starter Decal
Carburetor(Incl. 184)
RewindStarter
Gasket Set
(Incl. Items Marked ")
SparkArrestorKit
(Incl. 417)(Optional)
Screw, 10-32 x 1/2"
(Optional)
Replacement Engine
750830, orderfrom
71-999
Replacement Short Block
750829A,
orderfrom 71-999
RPM High 2900 to 3200
NOTE: This engine couldhave been builtwith 590694
starter
NOTE: All componentdimensionsgiven in U.S. inches
1 inch = 25A mm
33
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