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TRACTOR -- MODEL NUMBER 917.271651
BRIGGS& STRATrON ENGINE-MODEL NUMBER310707,TYPE NUMBER0137-E1
KEY
PART
NO.
NO.
DESCRIPTION
1
690156
Cylinder Assembly
2
399265
Kit-Bushing/Seal
3
391086
• Seal-Oil (Magneto Side)
4
494238
Sump-Engine
5
690188
Head-Cylinder
7
892410
-+ Gasket-Cylinder
Head
8
495735
Breather Assembly
9
27803
• Gasket-Breather
10
691666
Screw (Breather Assembly)
11
691328
Tube-Breather
12
692226
° Gasket-Crankcase
(.015
Thick, Std)
692406
• Gasket-Crankcase
(.005
Thick)
692405
• Gasket-Crankcase
(.009
Thick)
13
690360
Screw (Cylinder Head)
15
690946
Plug-Oil Drain
16
690136
Crankshaft
20
291675
• Seal-Oil
22
692125
Screw (Crankcase Cover)
23
693557
Flywheel
24
222698
Key-Flywheel
25
692271
Piston Assembly (Standard)
692272
Piston Assembly (.010 O.S.)
692273
Piston Assembly
(.020 O.S.)
692274
Piston Assembly (.030 O.S.)
26
690162
Ring Set-Piston (Standard)
692164
Ring Set-Piston (.010 O.S.)
692166
Ring Set-Piston (.020 O.S.)
692166
Ring Set-Piston (.030 O.S.)
27
691299
Lock-Piston Pin
28
498319
Pin-Piston (Standard)
498320
Pin-Piston (.020 O.S.)
29
692419
Rod-Connecting
(Standard)
499940
Rod-Connecting
(.020 U.S.)
32
692852
Screw (Connecting Rod)
33
495856
Valve-Exhaust
34
495857
Valve-Intake
35
691279
Spring-Valve (Intake)
36
691279
Spring-Valve (Exhaust)
37
690456
Guard-Flywheel
40
691752
Retainer-Valve
43
691968
Slinger-Governor/Oil
45
690564
Tappet-Valve
46
692421
Camshaft
48
692706
Short Block (311707-0028-
E1 Replacement
Engine)
50
690193
Manifold-Intake
51
692137-
1_:1:+ Gasket-Intake
53
690227
Stud (Carburetor)
54
691148
Screw (Intake Manifold)
73
690492
Screen-Rotating
74
691674
Screw (Rotating
Screen)
75
690582
Washer
(Flywheel)
78
690661
Screw (Flywheel Guard)
93
690602
Bushing-Throttle
Shaft
94
498030
Kit-Idle Mixture
94A
695425
Kit-ldle
Mixture
95
691636
I_ Screw (Throttle Valve)
95A
690718
O Screw (Throttle Valve)
98
495800
Kit-Idle
Speed
98A
695408
Kit-Idle
Speed
104
690525
O Pin-Float
Hinge
104A 694918
_
Pin-Float
Hinge
KEY
PART
NO.
NO.
105
231855
105A 694922
106
690577
108
690464
108A 692344
DESCRIPTION
I_ Valve-Float Needle
Valve-Float Needle
Seat-Inlet
Valve-Choke (Manual Choke)
Valve-Choke (Choke-A-Matic)
108B 695419
117
692408
692411
117A 695415
695416
121
690191
121A 695427
125
690194
125A
127
127A
130
130A
131
131A
133
133A
137
137A
141
141A
495931
141B 695420
142
692412
146
691639
167
692297
176
691917
186
692317
187
691050
188
691693
192
691986
202
691841
209
692208
216
691840
217
695409
222
694042
227
691374
231
691636
231A 690718
232
691842
238
691843
240
394358
265
691024
267
695134
276
692255
276A 695410
RPM Settings:
Valve-Choke(Nikki Carburetor)
O Jet-Main (Standard)
Jet-Main (High Altitude)
O Jet-Main
(Standard)
O Jet-Main (High Altitude)
Kit-Carburetor
Overhaul
Kit-Carburetor
Overhaul
Carburetor
Carburetor (Nikki) (Service
with Walbro Carburetor)
695005
121Plug-Welch
690727
I_ Plug-Welch
691750
Valve-Throttle
695418
Valve-Throttle
494379
Kit-Throttle Shaft
695421
Kit-Throttle Shaft
494381
Float-Carburetor
694914
Float-Carburetor
281165
f_:l: Gasket-Float
Bowl
695426
O5 Gasket-Float
Bowl
495097
Kit-Choke
Shaft (Manual
Choke)
Kit-Choke
Shaft (Choke-A-
Matic)
Kit-Choke Shaft (Nikki)
Q Nozzle-Carburetor
Key-Timing
Air Cleaner Stud Seal
• O-Ring Seal (Air Cleaner)
Connector-Hose
Line-Fuel (Cut to Required
Length)
Screw (Control Bracket)
Adjuster-Rocker
Arm
Link-Mechanical
Governor
Spring-Govemor
Link-Choke
Spring-Choke
Return
Bracket-Control
Control Lever-Governor
13 Screw (Choke Valve)
Screw (Choke Valve)
Spring-Governor
Link
Cap-Valve
Filter-Fuel
Clamp-Casing
Screw (Casing Clamp)
_:1: Sealing Washer
O_: Sealing Washer
Low Speed:
1900-2100
High Speed: 3000-3200
Included in Engine Gasket Set, Key. No.
358
O
Included in Carburetor
Overhaul
Kit, Key.
No. 121and121A
:1:
Included in Carburetor
Gasket Set, Key.
No. 977 and 977A
+
Included in Valve Gasket Set, Key. No.
1095
NOTE:
All component
dimensions
given in U.S.
inches 1 inch = 25.4 mm
52
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