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TRACTOR
- - MODEL NUMBER
917.270641
BRIGGS & STRATTON ENGINE-MODEL NUMBER 28U707, TYPE NUMBER 1174-E1
KEY
PART
NO.
NO.
1
496412
2
399265
3
391086
4
494238
5
495858
7
273280
8
495735
9
27803
10
94621
11
281246
12
271916
271997
271996
13
94728
15
94239
16
498971
94198
20
291675
22
94624
23
492326
24
222698
25
495860
495977
495978
495979
26
495854
495852
495851
495855
27
263129
28
498319
498320
29
494504
495490
32
94695
32A
94648
33
495856
34
495857
35
262811
37
224502
40
224641
45
262411
46
496884
51
272465
52
272569
53
94637
75
225136
78
94832
87
491323
KEY
PART
DESCRIPTION
NO.
NO.
DESCRIPTION
CylinderAssembly
93
281346
Bushing, Throttle Sha|t
Bearing, Cylinder
94
498030
Valve, Needle
* Seat, Oil
95
94098
** Screw, Throttle
Base, Engine
98
495800
Screw, Idle Speed
Head, Cylinder
104
231789
** Pin, Float Hinge
*** Gasket, Cylinder Head
105
231855
"* Valve Float
Breather Assembly
106
231854
** Seat, lnlet Valve
." Gasket, Valve Cover
108
224558
Valve, Choke (Lint 153)
Screw, Sems
108A
224540
Valve, Choke (Lmt 154)
Tube, Breather
11t
262715
Spring Choke (Lrn_155)
" Gasket, Crankcase Cover, _015"
!17
232118
** Jet, Needle Valve (Std.)
* Gasket, Crankcase Cover, .005"
232119
Jet, Needle Vafve (Hi-All.)
* Gasket, Crankcase Cover; 009"
121
499233
Carburetor Overhaul Kit
Screw, Cylinder Head
t23
94913
Screw, Elbow Mounting
Plug, Oil Drain
125
499153
Carburetor Assembly
Crankshaft
t27
- - -
** Plug, Welch (Sold in Kit Only)
Timing Gear Key
130
224539
Valve, Throttle
* Seal, Oil
131
494379
Shaft and Lever, Throttle
Screw, Seres, Base Mounting
133
494381
Float, Carburetor
Flywheel and Ring Gear
137
281165
....
Gasket, Float Bowl
Assembly, Magneto
138
281164
....
Washer, Bowl
Key, Flywheel
141
495097
Choke, Shaft Kit (Choke-A-
Piston Assembly, Standard Size
Matic)
Piston Assembly, .Ot0"
141A
495931
Choke, Shaft Kit (Choke-A-
Oversize
Matic)
Piston Assembly, 020"
t42
232117
** Nozzle, Carburetor
Oversize
146
94196
Key, Timing Gear
Piston Assembly, .,030"
164
214047
Elbow, Carburetor
Oversize
t66
94555
Stud, Rocker Arm
Ring Set, Piston, Standard Size
171
281051
Nut, Air Cleaner Mounting
Ring Set, Piston, .010" Oversize
186
493496
Connector, Hose
Ring Set, Piston, .O20" Oversize
187
298099
Line, Fuel (Cut to Suit)
Ring Set, Piston, .030" Oversize
188
94627
Screw, Sems
Lock, Piston Pin
192
492160
Screw Assembly, Rocker Arm
PinAssy., Piston,Standard Size
201
262767
Link, Governor
Pin Assy, Piston, v005°
209
260695
Spring, Governor
Oversize
216
262766
Unk, Choke
Rod Assembly, Connecting
219
490815
Gear, Governor
RodAssembly, Connecting,
222
495611
Plate, Governor Control
,820" Undersize Crankpin Bore
224
94905
Screw, Sems, Air Cleaner
Screw, Hex Washer Head,
225
495157
Crank, Governor
1-57/64
227
493935
Lever Assembly, Governor
Screw, Hex Washer Head, 1-
230
94742
Washer, Governor Crank
5/8
232
262785
Spring, Governor Link
Valve, Exhaust
238
262836
Cap, Valve
Valve, Intake
240
394358
Filter, Fuel (In Fuel Une)
Spring, Valve
265
221535
Clamp, Casing
Guard, Flywheel
284
94704
Screw, Hex Head
Retainer, Valve Spring
Tappet, Valve
"
Included in Gasket Set (495993)
Gear, Cam
**
Included in Carburetor Kit (499233)
....
Gasket, Carburetor
***
Included in both Gasket Set (495993) and
(Carburetor to Elbow)
"Valve Overhaul Kit (495992)
*** Gasket, Carburetor
....
Included in Gasket Set (495993), Carburetor
(Elbow to Cylinder)
Kit (499233) and Carburetor Gasket Set
Stud, Carburetor Mounting
(494385)
Washer, Spring
Screw, Pan Head
NOTE: AH component dimensions given in U S inches
" Seal, Governor Shaft
1 inch = 254 mrn
56
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