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TRACTOR - - MODEL NUMBER 917.270650
BRIGGS & STRATrON 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
94196
20 291675
22 94624
23 492326
24 222698
25 49586O
495977
495978
495979
26 495854
495852
495851
495855
27 263129
28 4,9_]19
49832O
29
32
32A
33
34
35
37
4O
45
46
51
52
53
75
78
87
93
94
95
494504
49549O
94695
94648
495856
495857
262811
2345O2
23_1
'262411
496884
272569
94637
225136
94832
491323
281346
94068
DESCRIPTION
CylinderAssembly
Bearing, Cylinder
* Sea], Oil
Base, Engine
Head, Cylinder
*** Gasket, CylinderHead
BreatherAssembly
* Gasket, Valve Cover
Screw,Sems
Tube,Breather
* Gasket, Crankcase Cove= .015"
* Gasket, Crankcase Cover .005"
* Gasket, Crankcase Cover .009"
Screw,Cylinder Head
Plug,Oil Drain
Crankshaft
TimingGear Key
* Seal, Oil
Screw,Sems, Base Mounting
Flywheeland RingGear Assem-
bly,Magneto
Key,Rywh_l
PistonAssembly,Standard Size
PistonAssembly,.010" Oversize
PistonAssembly,.020" Oversize
PistonAssembly,.030" Oversize
RingSet, Piston,Standard Size
RingSet, Piston,.010" Oversize
RingSet, Piston,.020" Oversize
RingSet, Piston,.030" Oversize
Lock, PistonPin
PinAssy., Piston,StandardSize
PinAssy., Piston,.005" Over-
size
ROdAssembly,Connecting
RodAssembly, Connecting,
.020" Undersize Crankpin Bore
Screw, Hex Washer Head,
1-57/64
Screw,HexWasher Head, 1-5/8
Valve, Exhaust
Valve, Intake
Spring,Valve
Guard,Flywheel
Retainer,Valve Spring
Tappet,Valve
Gear, Cam
**** Gasket, Carburetor
(CarburetortoElbow)
*** Gasket, Carburetor
(Elbowto Cylinder)
Stud, CarburetorMounting
Washer, Spring
Screw,Pan Head
* Seal, Govemor Shaft
Bushing,ThrottleShaft
Valve, Needle
** Screw,Throttle
KEY PART
NO. NO. DESCRIPTION
98 495800 Screw, Idle Speed
104 231789 ** Pin,FleatHinge
105 231855 ** Valve Float
106 231854 ** Seat, InletVaive
108 234558 Valve, Choke (Lrnt153)
10BA 224540 Valve, Choke (Lrnt154)
111 262715 Spring Choke (Lint 155)
117 232118 ** Jet, Needle Valve (Std.)
232119 Jet, Needle Valve (Hi-Ait.)
121 4992"33 Carburetor Overhaul Kit
123 94913 Screw, ElbewMounting
125 4,99153 Carburetor Assembly
127 - - - ** Plug, Welch (Sold in KitOnly)
130 2345,39 Valve, Throttle
131 494379 Shaft and Lever, Throttle
133 494381 Float, Carburetor
137 281165 **** Gasket, Reat Bowl
138 281164 **** Washer, Bowl
141 495097 Choke, Shaft {'Qt(Choke-A-
MaHc)
141A 495931 Choke, Shaft Kit (Choke-A-
Matic)
142 232117 ** Nozzle, Carburetor
146 94196 Key,Timing Gear
164 214047 Elbow,Carburetor
166 94555 Stud,RockerArm
171 281051 Nut,Air CleanerMounting
186 493496 Connector,Hose
187 29_069 Line,Fuel (CUtto Suit)
188 94627 Screw,Seres
192 492160 ScrewAssembly, RockerArm
201 262767 Link,Governor
209 260695 Spring, Governor
216 262766 Link, Choke
219 490815 Gear, Governor
222 495611 Plate, GovernorControl
234 94905 Screw, Seres,AirCleaner
235 495157 Crank,Governor
227 493935 LeverAssembly,Governor
230 94742 Washer, GovemorCrank
232 262785 Spring,Govemor Unk
238 262836 Cap, Valve
240 394358 Filter,Fuel(in Fuel Une)
265 231535 Clamp,Casing
284 94704 Screw,Hex Head
* Includedin Gasket Set (495993)
** Includedin Carburetor t_t (499233)
*** Included in beth Gasket Set (495993) and
Valve Overhaul Kit (495992)
**** Included in Gasket Set (495993), Carburetor
Kit (499233) and Carburetor Gasket Set
(494385)
NOTE:
All componentdimensionsgiveninU.S. inches
1inch =25.4 mm
54
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