Specifications

ENGINE MODEL 143.436092 FOR 40" TRACTOR MODEL 536.25586'1
Refo Part
No.
1
2
14
15
16
17
18
19
20
25
26
30
31
35
36
37
38
39
40
40
4o
4t
41
41
42
42
42
4.3
45
46
47
48
5O
5t
52
6O
64
65
66
69
7O
No.
35843
27652
28277
35324
36284
29916
650548
35945
35319
35326
650561
35336B
35327
29826
29918
29216
29642
30322
35776
35777
35778
35773
35774
35775
35779
35780
35781
35772
35330A
650908
35313
35939
35315A
31356
35316A
30063
650128
3OO63
"353!7
3571!A
Ref.
Part Name No.
Cytinder Assyo (IncL Nos° 2 8. 20) 123
Pin, Dowel 124
Washer, Flat 125
Rod, Governor 125
Laver, Gdvemor 126
Clamp, Governor lever 126
Screw, 8-32 x 5/16" 127
Spring° Extension !28
Seal, Oil 130
Baffle, Blower housing 135
Screw, 174-20 x 5/8"
CrankshaftAssy. (Counterbalance) 150
Gear, Counterbalance 151
Screw, 10-32 x 3/4'" 153
Washer, F_T. Lock 154
Nut _ Lockwasher, 10-32 Keps 155
Ring, Retaining 155
Locknut Hex "Keps", 8-32 157
Piston, Pin Et Ring Assy. (Std.)(Incl. 158
Nos. 41, 42 _ 43) .... 159
Piston, Pin _ Ring Assy. (.010" over- 160
size) (inclo Nos. 41, 42 8. 43) 161
Piston, Pin _ Ring Assy. (.020" over- 169
size) (Incl. Nos,,41, 42 _ 4.3) t70
Piston 8. Pin Assy. (Std,)(IncL No. 43) t71
Piston Et Pin Assy. (o010" oversize) 172
(IncL No. 43) 173
Piston Et Pin Assyo (.020" oversize) 174
(Incl, No. 43) 180
Ring Set, Piston (Std,) 18t
Ring Set, Piston {.0t0" oversize) t82
Ring Set, Piston (.020" oversize) 184
Ring, Piston pin retaining 185
Rod Assy., Connecting (Incl. Noso48 !86
8. 47) 186A
Bolt, Connecting rod 200
Bolt, Connectingrod
Lifter, Valve 203
Camshaft Assy. (Mecho Compression 204
Relese} 209
72 31927
75 35319
8O 35712
81 35479
82 35321
83 35322
64 29193
86 65O833
88 3t707A
89 32589
° 90 611094
91 35935
92 650880
93 650881
100 35135
101 610118
102 650872
103 650814
110 36225
1t9 "35945
120 35948
...... ,,
Part
No.
35288
650738
353O8
35433
35309
35432
65O691
5506S0
65O946
34645
335O7
335O8
35949
650945
3._5o
65O89O
650947
35951
-359r,_,_
35953A
3OO63
"27896A
'28423
28424
28425
35350
650128
35954
30200
650517
"33263
35955
36285
35957
35956
33802
650777
650902
Weight Assy,, Counterbalance 210
Pump Assy., Oil 211
E_ension, Blower housing 212A
Screw, %30, 1/4-20 x !12" 223
Screw, 10-24 x 1/2" 224
Screw, 1/4-20 x 1/2" 234
Gasket, Mounting flange 237
Flange, Mounting (Incl. Nos. 72, 75 8* 239
80) 240
Plug, Oil drain 243
Seat, Oil 245
Shaft, Governor 246
Washer, Fiat 250
Gear Assy_, Governor 251
Spool, Governor 260
Ring, Retaining 261
Screw, 114-20 x 1-3116" 262
Spacer. Governorgear 253
Key, Flywheel 264
Ftywheet47amp, wiring gear) 265
Fan, Crankshaft 266
Washer, Lock 270
Nut, Flywheel 270A
Solid State Assy. 271
Cover, Spark plug
Stud, Solid state ass,/.
Screw, Torx %15, 10-24 x 1"
Wire Assy., Ground
Gasket, Cylinderhead
Head Assy., Cylinder
27793
28942
36288
650981
,35959
65O825
35286
"33629
35960
65O875
35403
354O4
35961
65O886
35964
30O63
29747B
35963
650273
35959
65O876
35870
35829A
35293
65
Part Name
Brace, Intake pipe
Screw, 1/4-20 x 5/8"
Valve, Exhaust(Std.)
Valve, Exhaust(1t32" oversize)
Valve, intake (Std.)
Valve, Intake (1/32" oversize)
Washer, Flat
Washer, Betleville
Screw, 5/16.18 x 2_5/64"
ResistorSpark Plug (Champion RN-4C
or equivalent)
Spring, Vatve
Cap, Valve spring keeper
Guide, Push rod
Stud, Rocker arm
Arm, Rocker
Washer, Intemat
Nut, Hex
Rod, Push
Gasket, Rocker Arm Cover
Cover, Rocker arm housing
Screw, Torx %30, 1/4.20 x 1/2"
Gasket, Breathercover
Body, Breather
Element, Breather
Cover, Vatve spring box
Tube, Breather
Screw, t0-24 x 1/2"
Extension,Blower housing
Screw, 10.24 x 9/t6"
Screw, I/4.20 x 27/32"
Gasket,Carburetor to intake pipe
Pipe, Intake
Link, Governor _..
Link, Choke
Bracket Assy., Control {IncloNos. 203
8. 204}
Spring, Compression
Screw, 6-32 x 21132"
Screw, 10-32 x 7/16"
Clip, Conduit
Screw, 10-32 x 3!B"
Link, Bushing
Stud, Intake pipe
Gasket, Intake pipe
Nut 8 Lockwasher, t/4-20 (Sealing)
Adapter, Air cleaner
Gasket, Air cleanerelbow
BodyAssy,, Air cleaner(IncL No. 239)
Screw, 10-32 x 5-1/4"
Element, Air cleaner(Incl. Noo 251)
Filter, Poly Pre-cleaner
Cover, Air cleaner
Nut, Wing, 1/4.20
Housing, Blower
Screw, Torx %30, 1t4.20 x 1/2"
Screw, 5/16-24 x 21/32"
Ring, BlowerHousing
Screw, 5116-18 x 51B"
Cover, Cylinderhead
Screw, 5/16-t8 x 1-1/4"
Manifold Assy_,Exhaust
Liner, Exhaust Port
Plate, Lock (Manifold)
"Indicates Part included in
Gasket Set, RefoNoo 400.