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CRAFTSMAN 4-CYCLE ENGINE MODEL NO. 143.986500
KEY PART KEY PART
NOr NO. DESCRIPTION NO. NO, DESCRaPTION
1 36774 Cylinder (IncL 2 & 20) t50 35991 Valve Spring
2 26727 Dowel Pin 151 31673 Valve Spring Cap
6 33734 Breather Element 151A 40017 Intake Valve Seal
7 36557 Breather Assay (lncl 6 169 36783 * ValveCover Gasket
& 12A) 172 36784 Valve Cover
12 36775 Breather Tube 174 30200 Screw, 10-24 x 9/16"
12A 36558 Breather Cover & Tube 178 29752 Nut & Lock Washer, 1/4-
(lncL 12B) 28
12B 36694 Breather Tube Elbow 182 6201 Screw, 1/4-28 x 7/8"
14 28277 Washer 184 26756 * Carburetor To Intake
15 30589 Governor Rod (IncL 14) Pipe Gasket
16 34839A Governor Lever 185 36785 Intake Pipe
17 31335 Governor Lever Clamp t86 32653 Governor Link
18 651018 Screw, Torx T-15, 8-32 x t89 650839 Screw, 1/4-20 x 3/8"
19/64" 191 36559 S.E. Brake Bracket
19 36281 Extension Spring (Include° 195)
20 32600 Oil Sea! 195 610973 Terminal
30 35801 Crankshaft 207 34336 Throttle Link
40 40027 Piston, Pin & Ring Set 216 33086 RPoM. Adjusting Lever
(Std) 223 650451 Screw, 1/4_20 x 1"
40 40028 Piston, Pin & Ring Set 224 36786 " intake Pipe Gasket
(.0t0" OS) 238 650932 Screw, 10-32 x 49/64"
41 40025 Piston & Pin Assay. 239 34338 * Air Cleaner Gasket
(Std_) (Incl. 43) 241 36919 Air Cleaner Collar
41 40026 Piston & Pin Ass'y. 245 36905 Air Cleaner Filter
(.010" OS) (IncL 43) 250 36920 Air Cleaner Cover
42 40006 Ring Set (Std.) 260 36980 Blower Housing
42 40007 Ring Set (°010" OS) 261 30200 Screw, 10-24 x 9/16"
43 20381 Piston Pin Retaining 262 650831 Screw, 1/4-20 x 1/2"
Ring 263A 36921 Starter Grill
45 36777 Connecting Rod Ass'yo 275 36790 Muffler
(lncL 46) 277 650988 Screw, 1/4-20 x 2-5/16"
46 32610A Connecting Rod Bo_t 285 35000A Starter Cup
48 27241 Valve Lifter 287 650926 Screw, 8-32 x 21/64"
50 36778 Camshaft (MCR) 290 29774 Fuel Line
52 29914 Oil Pump Ass'yo 292 26460 Fuel Line Clamp
69 35261 * Mounting Flange Gasket 296 28763 Screw, 10-32 x 35/64"
70 36995 Mounting Flange (IncL 72 300 36916 Fuel Tank (include 292
thru 83) & 301)
72 30572 Oil Drain Plug (lncL 73) 301 36246 Fuel Cap
73 28833 Drain Plug Gasket 305 35647 Oil Fill Tube
75 27897 Oil Seal 306 36996 * "O"-Ring
80 30574A Governor Shaft 307 35499 "O"-Ring
81 30590A Washer 309 650562 Screw, !0-32 x I/2"
82 30591 Governor Gear Assay.. 310 35648 Dipstick
(Incl. 8t) 313 34080 Spacer
83 30588A Governor Spool 347 651038 Screw, 10-32 x 51/64"
66 650488 Screw, 1/4-20 x 1-1/4" 370A 36261 Lubrication Decal
89 611004 FlywheetKey 370C 36861 Primer Decal
90 611112 Flywheel 380 640069 Carburetor (/nc_ 184)
92 650815 Belleville Washer 390 590702 Rewind Starter
93 650816 Flywheel Nut 400 36792B Gasket Set
I00 34443B Solid State Ignition (lncl. Items Marked *)
i0! 610118 Spark Plug Cover 416 36085 Spark Arrestor Kit
103 651007 Screw, Torx T-15, 10-24 (Incl. 417)(Optional)
x t5/t6" 417 650760 Screw, 8-32 x 3/8"
110 37047 Ground Wire (Optional)
119 36787 ° Cylinder Head Gasket 900 _ -- Repfacement Engine
120 36825 Cylinder Head NONE
t25 36779 Exhaust Valve (Stdo) 900 -- -- Replacement S/B
(IncL 15t) 750832,
125 36780 Exhaust Valve (1t32" order from 71-999).
OS) -- -- _ RPM High 2909 to 3200
(IncL 15t)
26 36781 Intake Valve (Std.) (Incl NOTE: This engine could have been built with 590739
15t) starter.
26 36782 intake Valve (1/32" OS)
(IncL151) NOTE: All component dimensTons given in US. inches
30 6021A Screw, 5/16-t8 x 1-1/2" 1 inch = 25.4 mm
35 35395 Resistor Spark Plug
(RJ19LM) 41
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