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TRACTOR o ° MODEL NUMBER 917.274030
BRmGGS
& STRATTON ENGmNE-MODEL NUMBER 407577, TYPE NUMBER 0284°E1
KEY
PART
KEY
PART
NO.
NO.
DESCRJPTmON
NO.
NO.
DESCRIPTmON
1
699751
Cylinder Assembly
117
698784
Jet-Main
(Standard)
2
499585
Kit_Bushing/Sea!
(Magneto
Side)
118
699820
Jet-Main
(High Altitude)
3
391086
,,
SeaFOil
(Magneto
Side)
121
699814
Kit_Carburetor
Overhaul
4
699747
Sump_Engine
122
699802
Spacer_Carburetor
5
693998
Head-Cylinder
(Cylinder
1)
125
699807
Carburetor
5A
693999
Head-Cylinder
(Cylinder
2)
127
698810
Plug_Welch
7
690962
,,+
Gasket_Cylinder
Head
130
699809
Valve_Throtfle
8
499601
Breather Assembly
131
699812
Kit_Throttle
Shaft
9
690937
,,
Gasket_Breather
133
694914
Float_Carburetor
10
691108
Screw (Breather
Assembly)
137
698781
O
Gasket_Float
Bowl
11
690942
Tube_Breather
141
699811
Kit_Choke
Shaft
12
697227
-
Gasket_Crankcase
146
690979
Key-Timing
13
690360
Screw (Cylinder
Head)
165
693148
Nut (Ring Gear)
15
690946
Plug-Oil Drain
187
699799
Line-Fuel
(Cut to Required
Length)
16
790137
Crankshaft
187A
691049
Line-Fue!
(Molded)
20
690947
,',
SeaFOil
(PTO Side)
188
691108
Screw (Control Bracket)
22
694966
Screw (Engine
Sump)
188A
691003
Screw (Control Bracket)
23
691053
Flywheel
192
690083
AdjusteFRocker
Arm
24
222698
Key-Flywhee!
209
692909
Spring-Governor
25
499588
Piston Assembly
(Standard)
211
691019
Spring-Governed
Idle
25
499590
Piston Assembly
(.020" Oversize)
212
699805
Link-Throttle
26
499604
Ring Set-Piston
(Standard)
213
691021
Bracket-Choke
Control
26
499606
Ring Set-Piston
(.020" Oversize)
216
691022
Link-Choke
27
690975
Lock-Piston
Pin
219
698231
GeaFGovernor
28
690229
PimPiston
220
690412
Washer (Governor
Lever)
29
Rod-Connecting
222
698761
Bracket-Control
(See Reference
16)
227
691048
Lever_Governor
Control
32
690976
Screw (Connecting
Rod)
231
690718
Screw (Choke Valve)
33
499596
Valve_Exhaust
240
691035
FilteFFuel
34
499597
Valveqntake
250
690957
Retainer_Breather
35
690963
SpringWalve
(intake)
252
690958
Collector-Oil
36
690963
Spring-Valve
(Exhaust)
265
691024
Clamp_Casing
42
499586
KeepeFValve
267
695134
Screw (Casing Clamp)
45
690977
TappetWalve
276
695410
G÷
Washer_Sealing
46
699748
Camshaft
287
691108
Screw (Dipstick Tube)
48
698177
Short Block
304
695277
Housing-Blower
50
699801
Manifoldqntake
305
691005
Screw (Blower Housing)
5!
690949,, O:[:
Gasketqntake
309
497595
Motor_Starter
51A
699800,, G +:!:Gasketqntake
310
690323
Bok-Starter
Motor
51B
699803,, O +_ Gasketqntake
311
497608
Brush Set
53
690951
Stud (Carburetor)
332
691059
Nut (Flywheel)
54
699816
Screw (Intake Manifold)
333
691060
Armature_Magneto
73
499439
ScreemRotating
334
691061
Screw (Magneto
Armature)
74
698425
Screw (Rotating
Screen)
337
691043
Piug_Spark
75
691056
Washer (Flywheel)
358
699823
Set-Engine
Gasket
89
690283
Plug-Oil
363
19203
Flywheel
Puller
G
÷
NOTE:
Included
in Engine Gasket Set, Key. No. 358
Included
in Carburetor
Overhaul
Kit, Key. No. 121
Included
in Carburetor
Gasket Set, Key. No. 977
Included
in Valve Gasket Set, Key. No. 1095
All component
dimensions
given in U.S. inches
1 inch = 25.4 mm
53
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