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CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.996504
I<L='YPART
NO. NO. DESCRIP'I1ON
1 37266
226727
6 33734
7 36557
12 36775
12A 36558
12B 36694
14 28277
15 30589
16 34839A
17 31335
18 651018
19 36281
2O 32600
3O 358O1
4O 4OO27
4O028
41 40025
40026
42 40OO6
40007
43 20381
45 36777
46 32610A
48 27241
5O 36778
52 29914
69 35261
70 34311E
72 30572
73 28833
75 27897
80 30574A
81 30590A
82 30591
_. 83 30588A
86 65O488
89 611004
90 611150
92 650815
93 650816
100 3444313
101 610118
103 651007
110 37047
110A 36953
110B 36954
119 36787
120 36825
125 37288
126 37289
130 6021A
135 35395
150 31672
151 31673
151A 40017
169 36783
Cylinder (Includes Key
Numbers 2, 20 and 150)
DowelPin
BreatherElement
Breather Assembly(Includes
Key Numbers6 and 12A)
BreatherTube
Breather Cover&Tube
(Includes Key Number 12B)
BreatherTube Elbow
Washer
Governor Rod(Includes Key #14)
GovernorLever
GovernorLeverCEamp
Screw, Torx T-15, #8°32 x 19/64"
ExtensionSpring
OilSeal
Crankshaft
Piston,Pin & RingSet (Standard)
Piston,Pin & Ring Set (.010" OS)
Piston& Pin Assembly(Standard)
(IncludesKey Number 43)
Piston& Pin Assembly (.010" OS)
(Includes Key Number 43)
RingSet (Standard)
Ring Set(,010" OS)
PistonPin Retaining Ring
ConnectingRodAssembly
(IncludesKey Number 46)
Connecting RodBolt
Valve Lifter
Camshaft (MCR)
OilPump Assembly
• Mounting Flange Gasket
Mounting Flange (Includes Key
Numbers 72 thru 83 end 306)
Oil DrainPlug (Includes Key #73)
Drain Plug Gasket
Oil Seal
Governor Shaft
Washer
GovernorGear Assembly
(includesKey Number 61)
GovernorSpool
Screw, 1/4-20 x 1-1/4"
FlywheelKey
Flywheel
BeJlevilleWasher
FlywheelNut
Solk:lState Ignitk_n
Spark Plug Cover
Screw, "Ion(T-15, #10-24 x 15/16"
GroundWira
GroundWire
D,C. StarterWire
•CylinderHead Gasket
CylinderHead
Exhaust Valve (Standard)
(Includes KeyNumber 151)
Intake Valve (Standard)
(IncludesKey Number 151)
Screw, 5/16-18 x 1-1/2"
ResistorSpark Plug(RJ 19LM)
Valve Spring
Valve SpringCap
Intake Valve Seal
* Valve Cover Gasket
KEY PART
NO. NO. DESCRIPTION
172 36784 Valve Cover
174 30200 Screw, #10-24 x 9/16"
178 29752 Nut & Lock Washer, 1/4-28
182 6201 Screw, 1/4-28 x 7/8"
184 26756 •Gasket, Carburetor To Intake Pipe
185 36785 Intake Pipe
186 32653 GovernorLink
189 650831 Screw, 1/4-20 x t/2"
191 36559A S.E. Brake Bracl_et(includes #195)
195 610973 Terrdlnai
196 35035 Power Restart Switch
207 34336 ThrottleLink
216 33086 R.P.M. AdjustingLever
223 650451 Screw, 1/4-20 x I"
224 36786 * Intake Pipe Gasket
238 650932 Screw, #t0-32 x49/64"
239 34338 • Gasket, Air Cleaner
241 36919 Collar,AirCleaner
245 36905 Filter,AirCleaner
250 36920 Cover, AirCleaner
260 36980 BlowerHousing
261 30200 Screw, #10-24 x9/16"
262 650831 Screw, 114-20x1/2"
263A 36921 Starter Grill
275 36790 Muffler
277 650988 Screw, 1/4-20 x 2-5/16"
285 350(_A Starter Cup
287 650926 Screw, #8-32 x 21/64"
290 29774 FuelLine
292 26460 FuelLineClamp
298 28763 Screw, #10-32 x35/64"
300 36916 FuelTank (Includes
Key Numbers292 and 301)
301 36246 Fuel Cap
305 35647 Oil FillTube
306 36996 " "O"-Ring
307 35499 "O*-Ring
309 650562 Screw, #10-32 x 1/2"
310 35648 Dipstick
313 34080 Spacer
314 650767 Screw, #8-32 x27/64"
315 36952 AltamatorCoil
322 35013 ConnectorBody
322A 610885 ConnectorBody
325 35249 SpringClip
325A 37152 SpdngClip
347 651038 Screw, #10-32 x 51/64"
370A 36261 LubricationDecal
37(X_ 37199 PrimerDecal
380 640174 Carburetor (Includes Key #184)
390 590739 Rewind Starter
395 35709 Electric Starter Motor (12 Volt)
400 3O792B Gasket Set
(Includes All Items Marked *)
416 36085 Spark ArrestorKit(Optional)
(Includes Key Number 417)
417 650821 Screw, 10-32 x 1/2"(Optional)
900 750832 Replacement Small Block
(Order from 71-999)
..... ReplaeementEngine- NONE
RPM: High:2900 to3200
NOTE: This engine could have been builtwith Starter
#590702.
NOTE: All componentdimensions given in U.S. inches
1 inch = 25.4 mm
41
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