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CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.975038
KEY PART
NO.NO. DESCRIPTION
1 36478A
2 26727
6 33734
7 36557
12A 36558
12B 34695
14 28277
15 30589
16 32651
17 31335
18 651018
19 36281
20 32600
30 35798
40 36073
40 36074
40 36075
41 36070
41 36071
41 36072
42 36076
42 36077
42 36078
43 20381
45 30963B
46 32610A
48 27241
50 35992
52 29914
69 35261
70 36995
72 36083
75 27897
80 30574A
81 30590A
82 30591
83 30588A
86 650488
89 611004
90 611112
92 650815
93 650816
100 34443A
101 610118
103 651007
110 34961
119 36477
120 36476
125 36471
125 36472
126 29314B
126 29315C
130 6021A
135 35395
150 35991
181 31673
169 27234A
172 32755
174 30200
178 29752
182 6201
184 26756
185 36544
KEY PART
NO. NO. DESCRIPTION
Cylinder (Incl.2,7,20 & 125) 186 34337
DowelPin 189 650839
BreatherElement 191 36559
BreatherAss'y. (Incl.6 & 12A) 195 610973
BreatherCover&Tube (Incl.12B) 200 35727
BreatherTube Elbow
Washer 202 36482
GovernorRod(IncL14) 203 31342
GovernorLever 204 651029
GovernorLeverClamp 205 651019
Screw,TorxT-15, 8-32 x 19/64" 207 34336
ExtensionSpring 209 30200
Oil Seal 215 32410
Crankshaft 223 650451
Piston,Pin &RingSet (Std.) 224 34690A
Piston,Pin & RingSet(.010" OS) 238 650932
Piston,Pin & RingSet (.020"OS) 239 34338
Piston&Pin Ass'y.(Std.)(Incl.43) 241 35797
Piston&Pin Ass'y. 245 35066
(.010"OS) (IncL43) 250 35065
Piston& PinAss'y. 260 36915
(.020"OS) (Incl.43) 261 30200
RingSet (Std,) 282 650831
RingSet (.010"OS) 275 36473
RingSet (.020"OS) 277 650988
PistonPin RetainingRing 285 35000A
ConnectingRodAss'y.(Incl.46) 287 650928
ConnectingRodBolt 290 29774
Valve Lifter 292 26460
Camshaft(MCR) 298 28763
Oil PumpAss'y. 300 36£,16
Mounting Flange Gasket 301 36246
Mounting Flange (Incl. 72 thru 83) 305 35647
Oil Drain Plug 306 36996
Oil Seal 307 35499
GovemorShaft 309 650562
Washer 310 35648
GovernorGear Ass'y, (Incl. 81) 313 34080
Governor Spool 370A 36261
Screw, 1/4-20 x 1-1/4" 370B 35167
FlywheelKey 370C 36861
Flywheel 370K 36695
BellevilleWasher 380 632747
FlywheelNut 390 590694
SolidState Ignition 416 36085
Spark PlugCover
Screw,TorxT-15, 10-24 x 15/16" 417 650760
GroundWire 900 --
CylinderHead Gasket
CylinderHead 900 --
ExhaustValve (Std.)(Incl. 151)
ExhaustValve (1/32"OS) 400 36481
(Incl. 151)
IntakeValve (Std.) (IncL161)
IntakeValve (1/32"OS) (Incl.151)
Screw,5/16-18 x 1-1/2"
ResistorSparkPlug(RJ19LM)
Valve Spdng
ValveSpdngCap
ValveCoverGasket
Valve Cover
Screw, 10-24 x 9/16'
Nut & LockWasher, 1/4-28
Screw, 1/4-28 x 7/8"
CarburetorTo IntakePipeGasket
IntakePipe
GovernorLink
Screw,1/4-20 x3/8"
S.E. BrakeBracket(Incl. 195)
Terminal
Control Bracket(IncL.202 thru
205)
CompmsslonSpdng
CompressionSpring
Screw,TorxT-10, 5-40 x 7/16"
Screw,TorxT-10, 6-32 x 41164'
Throttle Unk
Screw,10-24 x 9/16'
ControlKnob
Screw,1/4-20 x 1"
* IntakePipeGasket
Screw,10-32 x 49/64"
AirCleanerGasket
AirCleanerCollar
AirCleaner Filter
AirCleanerCover
BlowerHousing
Screw,10-24 x 9/16"
Screw,1/4-20 x 1/2"
Muffler(Incl.277)
Screw, 1/4-20x 2-5/16"
StarterCup
Screw,8-32 x 21/64"
FuelUne
FuelLineClamp
Screw,10-32 x 35/64"
FuelTank (Incl. 292 &301)
FuelCap
OilFillTube
* "O"-Ring
"O"-Rlng
Screw,10-32 x 1/2"
Dipstick
Spacer
Lubdcation Decal
ControlDecal
PdmerDecal
StarterDecal
Carburetor(Incl.184)
RewindStarter
SparkArrestorKit
(Incl.417)(Optional)
Screw,8-32 x 3/8"(Optional)
ReplacementEngine750783A,
orderfrom 71-999
ReplacementS/B750733A,
orderfrom71-999
GasketSet (IncludeItems
marked *)
RPM High2900 to3200
RPM Low2450 to2750
NOTE: Thisenginecouldhavebeen builtwith590737
starter.
NOTE: AllcomponentdimensionsgivenIn U.S. inches
1 inch= 25,4 mm
35
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