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TRACTOR--
MODEL NUMBER917.271812
BRIGGS & STRATTON ENGINE-MODEL NUMBER 42E707, TYPE NUMBER 2631-E3
KEY
PART
NO.
NO.
1
498583
2
399265
3
391086
4
493304
5
493457
5A
493458
7
271867
7A
271868
8
495754
9
27803
10
690334
11
280225
12
273390
271188
271189
12A
272645
13
94565
15
94239
16
690636
18
495901
19
399264
20
291675
22
693972
22A
94724
23
491180
24
222698
25
498584
498585
498586
498587
26
394959
394960
394961
394962
27
691299
28
498319
498320
29
394306
397158
32
691133
33
390420
34
261528
35
65906
36
26828
40
221596
40A
292260
42
494553
45
261368
48
692857
47
393415
48
499945
50
213290
51
271412
51A
270884
54
93208
73
691438
78
225307
78
691134
91
693483
95
690718
97
693485
KEY
PART
DESCRIPTION
NO.
NO.
DESCRIPTION
Cylinder Assembly
98
807923
Idle Speed
Kit
Bushing
102
693509
_
Gasket-Carburetor
Body
• SeaI-O=l
104
693506
O Pin-Ftaat
Hinge
Engine Sump
105
692078
O Valve- Float Needle
Heed-Cylinder
#1
107
693482
Lower Carburetor
Body
Heed-Cylinder
#2
108
693505
Valve-Choke
• /_ Gasket-Cylinder
Head #1
109
693498
Shaft-Choke
• :_ Gasket-Cylinder
Head #2
117
693507
Jet-Main
(Standard)
Breather
Assembly
693499
Jet-Main
(High Altitude)
•v Gasket-Breather
119
690720
Screw (Upper Body To Lower
Screw (Breather
Cover)
Body)
Tube-Breather
121
693503
Carburetor
Overhaul Kit
• Gasket-Crankcase
(.915
122
281411
Spacer-Carburetor
Thick)
125
693480
Carburetor
• Gasket-Crankcase
(.905
130
693504
Valve-Throttle
Thick)
133
693512
Float-Carburetor
• Gasket-Crankcase
(.009
146
94196
Key-Timing
Thick)
147
693508
Jet-Pilot
• Crankcase
Gasket
161
691401
Base-Air
Cleaner
Screw (Cylinder Head)
163
271411
,O
Gasket-Air
Cleaner
Oil Drain Plug (Square
165
693148
Nut (Ring Gear)
Socket)
186
230318
Connector-Hose
Crankshaft
187
499167
Line-Fuel
(Cut to Required
Cover-Crankcase
Length)
Bushing
188
94930
Screw (Control Bracket)
• Seal-Oil
197
690364
Screw (Back Ptate
Screw (Engine Sump)
202
690570
Lnk-Mechan
ca Governor
Screw (Crankcase
Cover)
203
493230
Bell Crank
Flywheel
205
690322
Screw (Bell Crank)
Key-Flywheel
209
691273
Spring-Governor
Piston Assembly (Standard)
211
261563
Spring-Gov.
Idler
Piston Assembly
(.OlO O.S.)
212
693544
Throttle Link
Piston Assembly
(.020 O.S.)
212A
690571
Throttle Link
Piston Assembly
(.030 O.S.)
219
394348
Gear-Governor
Ring Set (Standard)
220
690412
Washer
(Governor
Gear
Ring Set I.Ot90.S.
I
222
691366
Bracket-Contro
Ring Set
.020 O.S.
227
690762
Lever-Governor
Control
Ring Set (.030 O.S.)
231
690718
Screw (Choke Valve)
Lock-Piston
Pin
235
691206
Shield-Fuel
Spray
Pin-Piston
(Standard
240
394358
Filter-Fuel
P n-P ston
.005 O.S.
267
690316
Screw (Casing Clamp)
Rod-Connecting
(_tandar_)
276
271013
Washer-Sealing
Rod-Conn.
(.020 U e)ndersiz
276A
693497
• Washer-Sealing
Screw
Connecting
Rod)
Valve-_xhaustE
276B
693510
Washer*Sealing
278
692810
Washer
(Governor
Control
Valve-Intake
Lever
Spring-Valve
(Intake)
279
690366
Screw
Vave Cover)
Spring-Valve
(Exhaust)
297
94289
Nut (Air Filter Retainer)
Retainer-Valve
304
495587
Housing-Blower
Retainer-Valve
(Exhaust)
Keeper-Valve
RPM Settings:
Low Speed:
1900-2100
Tappet-Valve
High Speed:
3000-3200
Camshaft
ShortOil
SlinB_ocker
NumberlnCluded
358.in Engine
Gasket
Set,
Ref
Manifold-Intake
O
tacluded
in Carburetor
Overhaul KJt, Ref
• O Gasket-Intake
Number
121.
•+ Gasket-Intake
_t
Included in Carburetor
Gasket
Set. Ref
Screw (Intake
Manifold)
Number
1095.
Screen-Rotating
+
Included
in Fuel Pump Kit. Ref Number
Washer (Flywheel)
861.
Screw (Rotating
Screen)
Upper Carburetor
Body
NOTE:
All component
dimensions given in U.S.
Screw (Throttle Valve
inches 1 inch = 25.4 mm
Shaf -Thro
e
55
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