Craftsman 143.974506 Owner's Manual page 19

CRAFTSMAN 4=CYCLE ENGBNE MODEL N UMBER 143.974506
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 36774
2 26727
6 33734
7 36557
12 36775
12A 36558
12B 36694
14 28277
15 30589
16 34839A
17 31335
!8 651018
19 36281
20 32600
30 36793
40 40004
40 40005
41 36070
41 36071
42 40006
42 40007
43 20381
45 36777
46 32610A
48 27241
50 36778
52 29914
69 35261
70 34311D
72 36083
75 27897
80 30574A
81 30590A
82 30591
83 30588A
86 650488
89 6'I'I004
90 611112
92 650815
93 650816
100 34443A
10I 610118
103 651007
110 34961
119 36787
120 36788
125 36779
125 36780
126 36781
!26 36782
130 6021A
135 35395
150 35991
151 31673
151A 40017
169 36783
172 36784
174 30200
!78 29752
182 6201
Cylinder (Incl. 2 & 20) 184 26756
Dowel Pin 185 36785
Breather Element 186 87-138
BreatherAss'y,, (Incl. 6 & 12A) !89 650839
Breather Tube 191 36559
Breather Cover & Tube (incL 12B) 195 610973
Breather Tube Elbow 207 34336
Washer 209 30200
Governor Rod (Inclo 14) 215 32410
Governor Lever 216 33086
Governor Lever Clamp 223 650451
Screw, Torx T-15, 8-32 x 19/64" 224 36786
Extension Spring 238 650932
Oil Seal 239 34338
Crankshaft 24! 35797
Piston, Pin & Ring Set (Std.) 245 35066
Piston, Pin & Ring Set (o010" OS) 250 35065
Piston & Pin Ass'y. (Std) (lnclo 43) 260 36980
Piston & Pin Ass'y, 261 30200
(.010" OS) (incL 43) 262 650831
Ring Set (Std.) 275 36790
Ring Set (,,010" OS) 277 650988
Piston Pin Retaining Ring 285 35000A
Connecting Rod Ass'y. (lncl. 46) 287 650926
Connecting Rod Bolt 290 29774
Valve Lifter 292 26460
Camshaft (MCR) 298 28763
Oil Pump Ass'y. 300 36916
* Mounting Flange Gasket 301 36246
Mounting Flange (Incl. 72 thru 83) 305 35647
Oil Drain Plug 306 36832
Oil Seal 307 35499
Governor Shaft 309 650562
Washer 310 35648
Governor Gear Ass'yo (Incl.. 8 !) 313 34080
Governor Spool 370A 36261
Screw, 1/4-20 x '1-1/4" 370C 36861
Flywheel Key 370K 36695
Flywheel 380 640026
Bellevitle Washer 390 590694
Flywheel Nut 400 36792
Solid State Ignition
Spark Plug Cover 4t6 36085
Screw, Torx T-15, 10-24 x 15/16"
Ground Wire 417 650760
* Cylinder Head Gasket 900
Cylinder Head 900
Exhaust Valve (Std) (IncL 15t)
Exhaust Valve
(1t32" OS)(Incl,, 151)
Intake Valve (Std.) (Incl. 151)
Intake Valve (1/32" OS) (Incl. 15!)
Screw, 5/16-18 x 1-1/2"
Resistor Spark Plug (RJ19LM)
Valve Spring
Valve Spring Cap
Intake Valve Seal
* Valve Cover Gasket
Valve Cover
Screw. I0-24 x 9/16"
Nut & Lock Washer, 1/4-28
Screw, 1/4-28 x 7/8"
* Carburetor To Intake Pipe Gasket
Intake Pipe
Governor Link
Screw, I/4-20 x 3/8"
S..E. Brake Bracket (incL 195)
Terminal
Throttle Link
Screw, 10-24 x 9/t 6"
Control Knob
R.P,M Adjusting Lever
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 (Incl. 277)
Screw, I/4-20 x 2-5/16"
Starter Cup
Screw, 8-32 x 21/64"
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"
Dipstick
Spacer
Lubrication Decal
Primer Decal
Starter Decal
Carburetor (tncl. t84)
Rewind Starter
Gasket Set
(Incl. Items Marked * in Notes)
Spark Arrestor Kit
(fnclo 417)(Optionaf)
Screw, 8-32 x 3/8" (Optional)
Replacement Engine NONE
Replacement S/B 750796,
order from 71-999
RPM High 2900 to 3200
RPM Low 2450 to 2750
(NOTE: This engine could have been built with 590737
starter.. Refer to the design of the rope pulley strength
ribs for part identification Individual starter parts do not
interchange )
Incl. Part #'s 26756 (1),28833 (I), 36832 (1), 34338 (1),
35261 (t), 36783 (1), 36786 (1), 36787 (1)
NOTE: All component dimensions given in U,S., inches
1 inch = 254 mm
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