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TRACTOR - MODEL N UMBER 9 17.272431
BRIGGS &STRATrON ENGINE-MODEL
NUMBER 407777, TYPE NUMBER 0121-E3
KEY
PART
NO,
NO,
DESCRIPTION
1
690231
Cylinder Assembly
2
499585
Bushing-Cylinder
3
391086
• Seal-Oit
4
690069
Sump-Engine
5
499587
Head-Cylinder
No. 1
5A
499595
Head-Cylit_ler
No. 2
7
690962
,+ Gasket-Cylinder
Head
8
499601
Breather Assembh/
9
690937
• Gasket-Breather
10
690960
Screw (Breather
Assy.)
11
690942
Tube-Breather
12
690945
• Gasket-Crankcase
13
690360
Screw (Cylinder Head)
15
590946
PI_-_I
D_ain
16
691046
Crankshaft
20
690947
, SeaI-Oil_PTO
Side)
22
690308
Screw
Engine Bump)
23
691053
Flywhee
24
222696
KepFlywh_el
25
499588
Piston Assembly (Std.)
499589
Piston Assembly (.010
O.S.)
499590
Piston Assembly
(.020
O.S.)
499591
Piston Assembly (.030
O.S.)
26
499604
Ring Set-Pislon
(Std.)
499605
Ring Set-Piston
(.010
O.S.)
Ring Set-Piston
.020 O.S.
499606499607 Ring Set-Piston/.030
O.S.I
27
690975
Lock-Piston
Pin
28
499582
Pin-Piston
29
499583
Rod-Conneutin _g
32
690976
Screw (Cc_r_c{'mg
Rod)
33
499596
Valve-Exhauet
34
499597
Valve-Intake
35
690963
Spring-Valve
Intake)
36
690963
Spring-VaNe
Exhaust
40
890964
Retainer-Valve
42
499586
Keeper-VaWe
45
690977
Valve Tappet
46
690978
Cam Shaft
48
693893
Short
Block
50
690948
Manifold-Intake
51
90949 "_÷ Gasket-Intake
51A
690950.O_: Gasket-Intake
53
690951
Stud
Carburetor)
54
690953
Screw
ntake Manifold)
73
691055
Screen-Rotating
74
691057
Screw (Rotating Screen)
75
691066
Washer
(Fty_heel)
89
690283
Plug-Oil
95
690718
Screw (Throffie Valve)
98
499802
Idle Speed Kit
104
690984
* Pin-Float
Hin nQe e
105
690985
" VaNe-Float
Needle
108
690986
Valve-Choke
117
690232
ID Jet-Main
(Standard)
690989
Jet-Main
(High Altitude)
KEY
PART
NO,
NO,
DESCRIPTION
121
499811
Carburetor
Overhaul
Kit
122
690952
Spacer-Carburetor
125
499804
Carburetor
130
690993
Valve-Throtlle
131
499805
Throttle
Shaft Kit
133
499806
Float-Carburetor
135
499803
Fuel Transfer Tube
137
690994
g¢
Gasket-Float
Bowl
141
499607
Choke
Shaft _3l
142
499808
(D Nozzle-Carburetor
146
94388
Key-Timing
150
690995
_
Gasket-Nozzle
160
690996
Retainer-Solenoid
163
691001
.+ Gasket-Air
Cleaner
187
691050
Line-Fuel
(Cut to Required
Length
187A
691049
Line-Fue
188
690960
Screw
(Control
Bracket)
192
690083
Aduster-Roaker
Arm
197
690960
Screw
(Back Pate
209
891018
Spring-Govemor
211
691019
S rin -Governed
Idle
212
691020
LIPn k-_l_ rott le
213
691021
Bracket-Choke
Control
216
691022
Link-Choke
219
394348
Gear-Govemol
220
690412
Washer
(Governor
Lever)
222
691023
Bracket-Contrnt
227
691048
Control Lever-Governor
231
690718
Screw
Choke Valve)
240
991005
Filter-F ue
250
690957
Retainer-Breether
252
590956
Element-Breather
265
691024
Clamp-Casing
267
695134
Screw
(Casing Clamp)
276
590997._:_
Sealing
Washer
278
590097
Washer (Gov. Control Lever)
287
690960
Screw
Dipslick Tube
304
691004
Housing-Blower
305
691005
Screw (Blower Housing)
309
691262
Motor-Starter
310
591263
Bolt-Starter
Motor
311
497606
e,r_sh Set
332
691059
Nut (Flywheel)
333
691060
Armature-Magneto
334
691061
Screw (Magneto
Armature)
337
691043
Spark
Plug
358
499889
Gasket
Set
363
691062
Flywheel
Putter
Included in Engine
Gasket Set, Key. No.
358
_1
Included in Carburetor
Overhaul
Kit, Key.
No. 121
_.
Inetuded
in Carburetor Gasket
Set, Key.
No. 977
+
Included in Valve Overhaul Kit. Key. No.
1033
NOTE: Aticomponent dimensionsgiven in U,S.
inches 1 inch = 25.4 mm
55
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