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TRACTOR
- - MODEL
NUMBER
917.272030
B&S ENGINE - MODEL NUMBER 407777, TYPE NUMBER 0121-E1
KEY
PART
NO.
NO.
1
690231
2
499585
3
690926
4
690069
5
499587
5A
499595
7
690962
8
499601
9
690937
10
690960
11
690942
12
690945
13
690360
15
690946
16
691046
20
690947
23
691053
24
690974
25
499588
499589
499590
499591
26
499604
499605
499606
499607
27
690975
28
499582
29
499583
32
690976
33
499596
34
499597
35
690963
36
690963
40
690964
42
499586
45
690977
46
690978
48
6g_714
5O
69O948
51
690949
51A
690950
53
690951
54
690953
73
691055
74
691057
75
691056
89
690238
95
690718
98
499802
104
690984
105
690985
108
690986
117
690232
117
690989
121
499811
122
690952
125
499804
130
690993
131
499805
133
499806
KEY
PART
DESCRIPTION
NO.
NO.
DESCRIPTION
CylinderAssembly
135
499803
FuehTransferTube
Bushing-Cylinder
137
690994
luGasket-FloatBowl
+SeaI-Oit
141
499807
Choke Shaft Kit
Sump-Engins
142
499808
INozzle-Carburetor
Head-Cylinder No. 1
146
94388
Key-'Rming
Head-Cylinder No. 2
150
281767
luGasket-Nozzla
+UGasket-Cylinder Head
160
690996
Retainer-Solenoid
BreatherAssembly
163
691001
+UGasket-Air Cleaner
+Gasket-Breather
177
691031
+O-Ring Seal (Dipetick)
Screw (BreatherAssy.)
187
691050
Line-Fuel (Cut to Required
Tube-Breather
Length)
+Gasket-Crankcase
187A
691049
Line-Fuel
Screw (CylinderHead)
188
690960
Screw (Control Bracket)
Plug-Oil Drain
192
690083
Adjuster-RockerArm
Crankshaft
209
690018
Spring-Governor
+SeaI-C_l(PTO Side)
211
690019
Spring-GovernedIdle
Flywheel
212
691020
Link-Throtite
Key-Flywheal
213
691021
Bracket-ChokeControl
PistonAseambly (Std.)
218
691022
Link-Choke
PistonAssembly (.010 =O.S.)
219
394348
Gear-Governor
PistonAssembly (.020" O.S.)
220
690412
Washer (GovernorLever)
PistonAssembly(.030" O.S.)
222
691023
Bracket-Control
Ring Set-Piston (Std.)
227
691048
ControlLever-Governor
Ring Set-Piston (.010 "O.S.)
231
690718
Screw (Choke Valve)
Ring Set-Pieton (.020 "O.S.)
240
691035
Filter-Fudi
Ring Set-Piston (.030 =O.S,)
252
690956
Element-Breather
Lock-PistonPin
256
690957
Retainer-Element
Pin-Piston
258
690308
Screw (Engine Sump)
Rod-Coonecting
265
691024
Claml>-Casing
Screw (ConnectingRod)
267
691044
Screw (CasingClamp)
Valve-Exhaust
276
690997
+lUSealing Washer
Valve-Intake
279
690097
Washer (Gov. Control Lever)
Spnng-Valve(Intake)
287
690960
Screw (DipstickTube)
Spring-Valve (F_xt_ust)
304
691004
Housing-Blower
Retainer-Valve
305
691005
Screw (Blower Housing)
Keeper-Valve
309
691262
Motor-Starter
Valve Tappet
310
691263
Bolt-StarterMotor
Cam Sheft
311
691264
BrushSet
ShortBiock
332
690059
Nut (Flywheel)
Manifold-Intake
333
691060
Armatore-Magnsto
+lUGasket-lntake
334
691061
Screw (Armature)
+luGasket-lntake
337
691043
Spark Plug
Stud (Carburetor)
358
499889
Gasket Set
Screw (intake Manifold)
363
691062
Flywheel Puller
Screen-Rotating
383
690966
Wmoch-Spark Plug
Screw (Rotating Screen)
385
65O_60
Screw (Fuel Pump)
Washer (Flywheel)
387
691034
Pump-Fuel
Plug-Oil
404
690442
Washer (Governor Crank)
Screw (ThroftleValve)
405
690960
Screw (Back Plate)
Idle Speed Kit
445
691007
Fiiter-AirCleanerCartridge
IPin-FloatHinge
447
691003
Screw (Air Guide Cover)
Walve-FloetNeedle
447A
690960
Screw (Air Guide Cover)
Valve-Choke
462
691261
Washer (Starter Cable)
Uet-Main (Standard)
Jet-Main High Altitude)
+
Includedin Gasket Set, Ref. No. 358
CarburetorOverhaul Kit
I
Inctudedin Gasket Set, Ref. No. 121
Spacer-Carburetor
u
Included in Gasket Set, Ref. NO.977
Carburetor
U
Included in Gasket Set, Ref. No. 1033
Valve-Throttle
Throttle Shaft Kit
NOTE: Allcomponentdimensionsgiven in U.S. inches
Float-Carburetor
1 inch= 25.4 mm
55
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