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REPAIR PARTS
TRACTOR
- - MODEL
NUMBER
917.256561
BRIGGS
& STRATTON
ENGINE
MODEL
NUMBER
42A707, TYPE NUMBER
1624-01
KEY PART
KEY PART
NO. NO.
DESCRIPTION
NO. NO.
DESCRIPTION
1
497074
Cylinder Assembly
2
399265
Bushing
3
391086
*Seal, Oil
5
493457
Head, Cylinder #1
5A
493458
Head, Cylinder #2
7
271867
* Gasket, Cylinder Head #1
7A
271868
* Gasket, Cylinder Head #2
8
495754
Breather Assembly #I
8A
222892
Cover, Breather Cylinder #2
(Used Only on Key #572,
Air Baffle with Holes for Mounting)
9
27803
*Gasket,
Breather
10
94382
Screw, Seres
10A 94830
Screw, Sems
1!
280225
Tube, Breather
12
271703
_ Gasket, Crankcase, .015" Thick
271188
* Gasket, Crankcase, .005" Thick
271189
"Gasket, Crankcase, .009" Thick
13
94565
Screw, Cylinder Head
15
94239
Plug, Oil Drain
16
394028
Crankshaft
94196
Timing Gear Key
18
493304
Sump, Engine
20
291675
* Sea!, Oil
22
94724
Screw, Sems
23
491180
Ftywheel
24
222698
Key, Flywheel
25
394955
Piston Assembly, Standard Size
394956
Piston Assembly, .010" Oversize
394957
Piston Assembly, .020" Oversize
394958
Piston Assembly, .030" Oversize
26
394959
Ring Set, Standard Size
394960
Ring Set, .010" Oversize
394961
Ring Set, .020" Oversize
394962
Ring Set, .030" Oversize
27
260924
Lock, Piston Pin
28
299691
Pin, Piston, Standard Size
391286
Pin, Piston..005"
Oversize
29
394306
Rod, Connecting, Standard Size
397158
Rod, Connecting, .020" Undersize
32
94671
Screw. Connecting Rod
33
390420
Valve. Exhaust
34
261528
Valve. Intake
35
65906
Spring, Valve, ntake
36
26828
Spring, Valve, Exhaust
40
221596
Retainer, Valve. Intake
54
94764
75
222511
78
94834
90
495181
91
495035
93
231209
94
491538
95
93499
96
221939
97
392672
98
91920
99
26157
102 271607
103 298514
I04
230896
105 394683
107 491543
108 223534
109 392673
116 280474
I17
231338
231333
119 94152
121 491539
127 223472
161 496599
165 94289
187 299146
188 94627
201
262683
202
262684
203
280997
205
93971
206
94298
207
262337
209
262352
209A
261563
219
394348
219A
393415
222
491282
224
94297
227
491297
ScreW, Sems ......
Washer, Spring
Screw, Sems
Carburetor
Body Assembly, Upper
Bushing, Throttle Shaft
** Valve, Idle Adjust
Screw, Sems
Valve, Throttle
Shaft, Throttle
Screw, Filtister Head
Spring, Throttle Adjust
** Gasket, Carburetor Body
Float, Carburetor
** Pin, Float Hinge
** Valve, Needle
Body Assembly, Lower
Valve. Choke
Shaft, Choke
* O-Ring
Jet, Needle Valve, Fixed
Jet, Needle Valve, Fixed,
High Altitude
Screw, Hex Head
Carburetor Kit
** Plug, Welch
Base, Air Cleaner
Nut, Wing
Line, Fuel, 28" Long (Cut to Suit)
Screw
Link
Link
Crank, Bell
Screw, Hex Head
Nut, Square
Spdng, Control Rod
Spring, Governor
Spring, Governer Idle
Gear. Governor
Oil Slinger
Bracket, Control
Screw, Pan Head
Lever Assembly, Gore mor
Included in Gasket Set (495868)
....... 4¢
29.2-260..........
Retainer,,Vatve,
Exhaust
_
lncludedin
Carburetor Kit (49;1539)
42
94553
Keeper, Valve
45
261368
Tappet, Valve
46
213520
Gear, Cam
50
213290
Manifold, Intake
51
27I:412
.... Gasket. Carburetor Mounting
51A 81411
Spacer, Carburetor
52
270884
"Gasket,
Intake Manifold Mounting
53
93970
Screw, Hex Head,
Carburetor to Manifold
Included in Carburetor Kit (491539),
and Pump Repair Kit (393397)
Included in Gasket Set (495868),
and Carburetor Kit (491539)
NOTE: All component dimensions gwen in U.S. inches
1 inch = 25.4 mm
52
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