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REPAtR PARTS
TRACTOR
o o MODEL
NUMBER
917.258452
BRJGGS & STRATTON
ENGINE
- MODEL
NUMBER
289707, TYPE NUMBER
0179-0I
KEY PART
KEY PART
NO. NO.
DESCRMPTiON
NO. NO.
DESCRIPTION
1
2
496413
399265
3
391086
5
494240
7
271866
8
391406
9
27803
10
94621
1t
280100
12
271916
271997
271996
13
94622
15
94239
16
495162
94196
I8
494238
20
291675
22
94624
23
492326
24
25
26
27
28
29
32
33
34
35
36
37
40
41
42
45
46
51
222698
394661
394662
394663
394664
391780
392331
391781
391782
391783
260924
299691
391286
490348
490469
94671
262246
262247
65906
26828
224502
221596
292260
93630
262248
212897
272465
Cylinder Assembly
52
272554
Bearing, Cylinder (Requires Special
53
94637
Tools For Installation)
75
224061
* Seal, Oil
78
93805
Head, Cylinder
95
94098
* Gasket, Cylinder" Head
98
495800
Breather Assembly
104 231789
* Gasket, Valve Cover
t05
231855
Screw, Sems
t06
231854
Tube, Breather
108 224540
* Gasket, Crankcase Cover !/64"
118 494383
* Gasket, Crankcase Cover .005"
121 497535
* Gasket, Crankcase Cove'r .009"
123
94616
Screw, Cylinder Head
125
495706
Plug, Oil Drain
127
- - -
Crankshaft
130 224539
Key, Timing Gear
131 494379
Base, Engine
t33
494381
* Seal, Oil
137 281165
Screw, Seres, Base Mounting
t38
281164
Flywheel and Ring Gear Assembly,
I41
494380
Magneto
142 494537
Key, Flywheel
147 497472
Piston Assembly, Standard
164 213819
Piston Assembly
.010" Oversize
I71
281051
Piston Assembly
.020" Oversize
I87
3938t5
Piston Assembfy
.030" Oversize
188 93535
Ring Set, Piston, Standard Size
201
262767
Ring Set, Piston, Chrome, Standard
209
260871
Ring Set, Piston .0t0" Oversize
216
262766
Ring Set, Piston .020" Oversize
219
490815
Ring Set, Piston .030" Oversize
Lock, Piston Pin
222
Pin Assembty, Piston, Standard
224
Pin Assy., Piston .005" Oversize
225
Rod Assembly, Connecting
227
Rod Assembly, Connecting,
230
.020" Undersize Crankpin Bore
232
Screw, Connecting Rod
240
Valve, Exhaust
265
Valve, Intake
Spring, Intake Valve
Spring, Exhaust Valve
Guard, Ftywheei
Retainer, Intake Valve
Rotocoil, Exhaust Valve
Retainer, Exhaust Valve Rotocoit
Tappet, Valve
Gear, Cam
*** Gasket, Carburetor (to Elbow)
494887
94513
495157
493935
94742
262785
394358
221535
* Gasket, Carburetor
Stud, Carburetor Mounting
Washer, Spring
Screw, Sems
** Screw, Throttle
Screw, idle Speed
** Pin, Float Hinge
** Valve Assembly, Inlet Needle
Inlet, Vatve Seat
Valve, Choke
** 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, Float Bowl Screw
** Shaft and Lever, Choke
** Nozzle / Jet, Carburetor
** Pilot, Jet
Carburetor, Elbow
Nut, Air Cleaner Mounting
Line, Fue!
Screw, Seres
Link, Governor
Spring, Governor
Link, Choke
Oil Slinger, Governor Gear and
Bracket Assembly
Plate, Governor Control
Screw, Sems, Air Cleaner
Crank, Governor
Lever Assembly, Governor
Washer, Governor Crank
Spring, Governor Link
Filter, Fuel
Clamp, Casing
*
Included in Gasket Set (494241)
**
Included in Carburetor Overhaul Kit (497535)
***
Included in both Carburetor Overhaul Kit (497535)
and Carburetor Gasket Set (494385)
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
51
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