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4-.CYCLE ENGnNE ' MODELNUMBER 143.976606
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 36177
2 27652
6 36059
7 36005A
9 590568
10 36002
11 36003
i2 32447
t4 28277
15 36006
16 36008
17 31335
18 651018
19 36103
20 36010
25 36186
26 650802
30 36185
40 36073
40 36074
40 36075
41 36070
41 36071
4I 36072
42 36076
42 36077
42 36078
43 20381
45 36023A
46 326t0A
48 36030
50 36031A
52 29914
69 36032A
70 36194
72 30572
73 28833
75 36010
8O 30574A
81 30590A
82 30591
83 36057
85 36034
86 650924
89 611154
90 611155
9t 611156
92 650815
93 650816
100 34443A
101 610118
t03 651007
110 36054
tt9 36061
120 36187
125 36471
t25 36472
126 293t4B
t26 293!5C
!30 6021A
135 35395
t50 31672
151 31673
15tA 4O016
169 27234A
172 32755
I74 30200
177 650925A
Cylinder (incl. 2,10,!2,20 & t 25)
Dowet Pin
Breather Element
* Breather Cover & Gasket
Screw, 10-24 x 3/4'i
Breather Valve Body
Check Valve
Breather Tube
Flat Washer
Governor Rod (Machined)
Governor Lever
Governor Lever Clamp
Screw, Torx T-15, 8-_32x 19/64"
Governor Spring
Oil Seal
Blower Housing Baffle Assy.
(1nc1.I95)
Screw, 1/4-.20 x 5/8"
Crankshaft
Piston,Pin,Ring Set (Std.)
Piston,Pin,Ring Set 00i0OS)
Piston,Pin,Ring Set (.020 OS)
Piston & Pin Ass'y.(Std.) (lncJ;43)
Piston & Pin Ass'v.
(.010 OS)(I ncI.43)
Piston & Pin Ass y.
(.020 OS)(incl.43)
Ring Set (Std.)
Ring Set (.010 OS)
Ring Set (.020 OS)
Piston Pin Retaining Ring •
Connecting Rod Ass y. (incL 46)
Connecting Rod Bolt
Valve Lifter
Camshaft (MCR)
Oil Pump Ass'y,
* Mounting Flange Gasket
Mounting Flange (Incl. 72 thru 85)
Oil Drair_ Plug (Incl. 73)
Drain Plug Gask.et
Oil Seal
Governor Shaft
Washer
Governor Gear Ass'y. (Inc!.81)
Governor Spoof
Idler Gear
Screw, 1/4-20 x 1-9/I6"
Flywheel Key
Flywheel
Flywheel Fan
Belleville Washer
Flywheel Nut
Solid State Ignition
Spark Plug Cover
Screw, Torx T-15, 10-24 x 15/16"
Ground Wire
* Cylinder Head Gasket
Cytinder Head
Exhaust Valve (Std.) (Inci. t 5!)
Exhaust Valve (1/32" OS)
I '-'
ntake Valve (_td.) (inc!. 151)
ntake Valve (t/32 OSt
Screw, 5/16q8 x I-!/2
Resistor Spark Plug (RJ19LM)
Valve Spring
Lower Valve Spring Cap
Intake Valve Seat
*V
aIve Spnng Box Gasket
Valve Spring Box Cover
,Screw, 10-24 x 9/16'
Carburetor Mounting Stud
25
184 36183 Carburetor Gasket
186 36009 Governor Link
187A 36195 Air Baffle
190 36013 Brake Lever Ass'y.
191A 36012 Brake Control Lever
192 36016 Brake Control Lever Link
193 36015 Brake Spring
194 36014 Retaining Ring
!95 610973 Terminal Ass'y.
198 36017 Brake Control Lever Spring
199 36018 Brake Lever Bushing
202 36482 Compression Spring
203 31342 Compression Spring
204 651029 Screw, 5-40 x 7/16
205 651030 Screw, Torx T-:t0, 6-32 x 17/32"
215 36051 Control Knob
239 36048 * Carburetor To Air Cleaner Gasket
240 36190 Air Cteaner Body (Incl.239 & 350)
243B 651041 Air Cleaner Stud
245 36046 Air Cleaner Filter
250 36191 Air Cleaner Cover
251 650928 Lock Nut 1/4-20
251A 650933 Wing Nut, I/4-20
255 36193 Control Plate
256 650983 Screw, 8-32 x 21/64"
260 36188 Blower Housing
261 650737 Screw, 1/4-20 x t/2"
262 650929 Screw, 1/4-20 x 11/16"
263A 36192 Starter Grill
275 36107 Muffler
276 36043 Locking Plate
277 650927 Screw, 5/6-18 x 2-11/32"
285 34449A Starter Cup
"p.
287 650926 S_rew, 8-32 x 21/64"
290 29774 Fuei Line
292 26460 Fuel Line Clamp
300 36189 Fue! Tank (Incl. 30t)
301 36246 Fuel Cap
305 36063 Oil FillTube
307 35499 "O" Ring
308 36040 FiLlTube Clip
310 36064 Dipstick
346A 28763 Screw, 10-32 x 35/64"
347 650898A Screw, 10-32 x 27/32"
350 36045 Primer
370A 36261 Lubrication Decal
370B 36155 Control Decal
370C 36861 Primer Decal
380 632671A Carburetor (Incl. 184,239)
390 590702 Rewind Starter
400 36062C Gasket Set
(Incl. Items Marked * in Notes)
416 36085 Spark Arrestor Kit
(Incl. 417)(OptionaI)
417 650760 Screw, 8-32 x 3/8 (Optional)
900 -- Replacement Engine 750792B,
order from 71-999
900 -- Replacement SiB 750797,
order from 71-999
RPM High 2900 to 3200
RPM Low 2450 to 2750
(NOTE: This engine could have been built with 590739
starter. Refer to (he design of the rope pulley strength
ribs for part identification., Individual starter parts do not
3nt_5h,_,r_tg_"_6J_3LAPlf) #3s6272_It (316)_2888_1_,(1_061
(t), 36183 (2), 696088 Instruction sheet (1)
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 rnm
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