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RIEPAIR PARTS
TRACTOR - - MODEL NUMBER 917.256510
BRIGGS & STRATTON ENGINE - MODEL NUMBER 28N707, TYPE NUMBER 0171-01
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 496412
2 399265
3 391086
5 495858
7 272614
8 495735
9 27803
10 94624.
11 281246
12 271916
271997
271996
t3 94728
15 94239
16 495162
94196
18 494238
20 291675
22 94624
23 492326
24
25
26
27
28
29
32
32A
33
34
35
37
4O
45
46
51
52
53
75
78
222698
495860
495977
495978
495979
495854
495852
495851
495855
260924
299691
391286
494504
495490
94695
94648
495856
495857
262811
224502
224641
262411
96884
272465
272569
94637
224061
94626
Cylinder' Assembly 95
Bearing, Cylinder 98
* Seal, Oil 104
Head, Cylinder 105
*** Gasket, Cylinder Head 106
Breather Assembly 108
* Gasket, Valve Cover 117
Screw, Serns 118
Tube, Breather 121
* Gasket, Crankcase Cover, o015" 123
* Gasket, Crankcase Cover, .005" 125
* Gasket, Crankcase Cover, .009" 127
Screw, Cylinder Head 130
P{ug, Oil Drain 131
Crankshaft 133
Timing Gear Key 137
Base, Engine 138
* Seal, Oil 141
Screw, Sems, Base Mounting 142
Flywheel and Ring Gear Assembly, 147
Magneto 164
Key, Flywheel 166
Piston Assembly, Standard Size 171
Piston Assembly, .010" Oversize 187
Piston Assembly, .020" Oversize ! 88
Piston Assembly, .030" Oversize 192
Ring Set, Piston, Standard Size 201
Ring Set, Piston, .010" Oversize 209
Ring Set, Piston, ..020" Oversize 216
Ring Set, Piston, ..030" Oversize 219
Lock, Piston Pin 222
Pin Assy, Piston, Standard Size 224
Pin Assy.., Piston, _005" Oversize 225
Rod Assembly, Connecting 227
Rod Assembly, Connecting, 230
.020 Undersize Crankpin Bore 232
Screw, Hex Washer Head, 1-57/64 238
Screw, Hex Washer Head, 1-5/8 240
Valve, Exhaust 265
Valve, Intake 284
Spri[lg, Valve
Guard, Flywheel
Retainer, Valve Spring
Tappet, Valve
Gear, Cam
**** Gasket, Carburetor (Carburetor to
Elbow) (Also Included in Gasket
Set, Part Number 495993)
*** Gasket, Carburetor
(Elbow to Cylinder)
Stud, Carburetor Mounting
Washer',. Spring
Screw, Pan Head
94098
495800
231789
231855
231854
224540
231858
495932
498116
94616
498051
224539
494379
494381
281165
281164
495931
231859
497472
214047
94555
281051
393815
94627
492160
262767
260695
262766
490815
495611
94729
231058
493935
94742
262785
262836
394358
221535
94704
"h*
Screw, Throttle
Screw, idle Speed
Pin, Float Hinge
Valve Float
Seat, inlet Valve
Valve, Choke
Jet, Needle Valve
Valve, Needle
Carburetor Overhaul Kit
Screw, Elbow Mounting
Carburetor Assembly
Plug, Welch (Sold in Kit Only)
Valve, Throttle
Shaft and Lever', Throttle
Float, Carburetor
Gasket, Float Bowl
Washer, Bowl
Shaft and Lever', Choke
Nozzle, Carburetor
Pilot, Jet
Manifold, Intake
Stud, Rocker' Arm
Nut, Air' Cleaner Mounting
Line, Fuel (11" Long, Cut to Suit)
Screw, Sems
Adjuster, Valve
Link, Governor
Spring, Governor
Link, Choke
Gear', Governor
Plate, Governor Control
Screw, Sems, Air Cleaner
Crank, Governor
Lever' Assembly, Governor
Washer, Governor Crank
Spring, Governor Link
Cap, valve
Filter, Fuel (In Fuel Line)
Clamp, Casing
Screw, Hex Head
* Included in Gasket Set (495993)
** Included in Carburetor Kit (498116)
*** Included in both Gasket Set (495993) and
Valve Overhaul Kit (495992)
**** Included in Gasket Set (495993), Carburetor Kit
(498t 16) and Carburetor Gasket Set (494385)
NOTE; Att component dimensions given in UoS. inches
1 inch = 25.4 mm
52