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TRACTOR -- MODEL NUMBER 917.256522
t_RIGGS & STRATTON
ENGINE-MODEL
NUMBER 28N;t07, TYPE NUMBER O173'0i
KEY PART
KEY PART
'
NO, NO,
DESCRIPTION
, NO, NO,
DESCRPTION
284A
94073
Screw, Hex Head
294
810068
Screw, Set
304
496280
Housing, Blower
,-305 94786
Screw, Hex, Head,
:.;:.' : ,::. ';_'_::.: i ./
Blower.HousingMounting
':3d6
225,020 ..
"Shield,lcyt
nder ,:_.'... "
':3'07i_9_B6:
. :i'". Se.:te_, _-_'linder.Shleld
_3'09. _97_;95. ' ;
Mot6r; Staitei_:
'
"
310 _:_97602 •
.Bolt', T hru
'
.311
497608
Brush Set
.333 495859
Armature, Magneto
,334
93381
Screw, Sems, Armature Mounting
337 491055
Plug, Spark
..:_6. 93705.
Screw, Hex Head
_356' 497708
Wire Assembly
.358
495993
Gasket Set
31_3 19203
Puller, Flywheel
•383 - 89838
Wrench,Spark" Plug
423
94073
Screw, Sems
.445
493909
Cartridge, Air Cleaner
535 272403
Element, Filter
537
281106
* O-Ring,_AirCleaner
544
497603
Armature, Starter
552 231597
Bushing, Govemor Crank
562
92613
Bott, Carriage
592
231082
Nut, Hex
601
93053
Clamp, Fuel Pipe
611 493496
Elbow, Fuel Pipe
614
93306
Pin, Cotter
618 262803
Spring, Choke Return
634 281168
** Seal, Choke Shaft
634A
491323
*Seal, Governor
634B
281167
** Washer, Throttle Shaft
635 280872
Boot, Spark Plug
646 -224546
Brace, Air Cleaner
657 93496 _
Screw, Sems
663 94620
Screw, Self-Tapping
668 280848
Spacer
718 230192
Pin, Dowel
726 _ 392134
Gear, Ring
(Includes Mounting Hardware)
727 490324
Cover, Starter
728• 94627
Screw, Hex Head
729 281390
Clip, Wire
729A
225170
Retainer
741 262932
Geal', :]
757 21399B
Link, C
758 399891
G0U'nt_
759: 298_09,.,
Pin:'C_
'7.61: 94_593:: i ;;: i
Sqrew_:
",,783 " 280i04_. :: ._
Geari_i_
Bol '
' cai i;:=5
802:_,:49_605 "'
Cap,.E
803 .497604
Hoiisin
Wire
ning
Jntea Bight.:_
v_Igl ASsembly .
ntei_
Sta Ier
* Seat,:€
,Filler Capl : ,:""
FBIGr(: p,'Oil
'
'
Terrnina, IgnffionCable
*** Seal Asi ;embty, valve
*** Gasket Vat_ie
'!'
:"
842 : 270920
847 ;496415
851 224110
868 49.4435
868A
2726'i0
871
262835
872 = 281361
875 495B62
B77 393A56
•947 497157
495136
1029
224554
1033
495992
1034
495248
1044
94673
1054
270723
105B
272623
1090
497607
Bushing, GUide (Intake & Exhaust)
Co'¢er, AlrCieaner
:. :
"
Bociy,;Aii"Cle_iner :_.: : :
Diode and Cdrinector As,sembly
Solen6_d, "
bly, Carburetor
_asket.Set
'
er Arm :
ntake
Rod, Push Exhaust
Arm, Rocker
Valve Overhaul Kit
Guide Assembly_ Push Rod
Screw, Hex Head
Tie, Cable
Manual, Owner's
Retainer, Brush
RPM Settings:
Low: 1650_1850, High." 3200-3400
included in Gasket Set(495993 )
included in Carburetor Kii (497535)
Included in both Gasket Set (495993i and
Valve Overhaul Kit (495992)
****
Included in Gasket Set (495993)i Carburetor Kit
(497535) and Carburetor Gasket Set (494385)
NOTE: All component dimensions given in U_S. troches _ ....
1 inch = 25.4 mm _
":_
,53 •
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