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TRACTOR
= = MODEL HUMBER
917.270510
BRIGGS & STRATTON ENGINE-MODEL NUMBER 287707, TYPE HUMBER 1255-E1
KEY
PART
NO.
NO.
284
94704
294
810068
304
496318
305
94786
306
225020
307
94930
309
497595
310
497602
311
497608
333
495859
334
94731
337
491055
346
93705
356
497708
356A
497671
356B
494705
358
495993
363
19203
383
89838
423
94903
445
496894
455
222561
467
493903
474
393474
482
93621
510
497606
523
495230
524
281370
525
496113
535
272403
537
281106
544
497603
552
231597
562
94907
592
231978
601
93053
611
493496
614
93306
615
263080
634
494455
634A
491323
635
280872
646
224546
657
94906
663
94929
668
280848
718
230192
726
892134
_7
4903_
_8
9_51
_9
2251_
DESCRIPTION
KEY
PART
NO.
NO.
Screw,Hex Head
729A
281390
Screw,Set
741
262932
Housing,Blower
757
213998
Screw,Hex, Head,
758
39989I
BlowerHousingMounting
759
298909
Shield,Cylinder
761
94593
Screw,CylinderShield
783
280104
Motor,Starter
801
394856
Bolt,ThnJ
802
497605
BrushSet
803
497604
Armature,Magneto
842
270920
Screw,Seres,Armature
847
496415
Mounting
851
493880
Plug,Spark
868
494435
Screw, Hex Head
WireAssembly
868A
272610
Wire, Stop
871
262835
Wire Stop
GasketSet
872
281104
Puller, Rywheet
875
495862
Wrench,SparkPlug
877
393456
Screw,Seres
947
497672
Cartridge, A irCleaner
965
94108
Cup, ScreenMounting
975
495933
Knob,AirCleaner
977
494385
Stator, A lternator
987
281166
Screw,Sems
1005
280687
Drive,Starter
1006
224413
Cap and Dipstick, O il Filler
1019
496758
"Seal, FillerTube
1022
272475
Tube, Oil Filler
1023
224552
Element,Filter
1026
494432
*O-Ring,Air Cleaner
495136
Armature,Starter
t029
224554
Bushing,GovernorCrank
1033
495992
Bolt,GovernorLever
1034
495248
Nut,Hex
1036
499364
Clamp, FuelPipe
1044
94673
Elbow,Fuel Pipe
1045
231828
Pin,Cotter
i058
272623
Retainer
1090
497607
**Seal, ChokeShaft
1091
281364
*Sea!, Governor
2500
28N707-1026
Elbow, S par',(Ptug
--,--
496050
Brace,Air Cleaner
RPM Settings:
Screw,Seres
Screw,Self-Tapping
Spacer
Pin,Dowel
Gear, Ring
(IncludesMounting Hardware)
Cover,Starter
Screw,Hex Head
Retainer,Wire
DESCRiPTiON
Clip, Wire
Gear, 3qming
Unk, Counterweight
Counterweight Assembly
Pin, Counterwelght
Screw, Counterweight
Gear, Starter
Cap, Drive
Cap, End
Housing,Starter
"
Seal, Oil FillerCap
FillGroup,Oil
Terminal,Ignition Cable
***
Seal,_sembly,
Valve
***
Gasket,Valve
Bushing,Guide (Intake &
Exhaust)
Cover, Air Cleaner
Body,Air Cleaner
Diode and Connector Assembly
Solenoid
NUt, Hex
BowlAssembly, C arburetor
CarburetorGasketSet
**
Seal, ThrottleShaft
Fan, Rywheel
Retainer,Fan
Label Kit
***
Gasket,Cover
Cover, RockerArm
Rod, Push, Intake
Rod, Push, Exhaust
Ann, Rocker
Valve Overhaul Kit
Guide Assembly, Push Rod
Label Kit, Emissions
Screw, Hex Head
Extension, C rankshaft
Manual, OwnerOs
Retainer,Brush
Cap, Umiter
Replacement Engine
Replacement Shortblock
Low:. 1 650-1850, High:3200-
340O
NOTE: A!l component d imensions given In UoS.inches
1 inch= 25.4 mm
"
IncludedIn Gasket Set (495993)
**
Includedin CarburetorKit (499233)
***
Included In BothGasket Set (495993) and
ValveOverhaulKit (495992)
****
IncludedIn GasketSet (495993), Carburetor Kit
(499233) and CarburetorGasketSet (494385)
57
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