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TRACTOR-- MODEL NUMBER 917.271635
BRIGGS & STRATTON ENGINE-MODEL NUMBER 311707, TYPE NUMBER 0125-E1
KEY PART
NO. NO.
1 690156
2 399265
3 391086
4 494238
5 690188
7 692410
8 896126
9 27803
10 691666
11 691328
12 692226
692406
692405
13 690360
15 690946
16 690136
20 11675
2; • 2125
23 u93557
24 222698
25 692271
692272
692273
692274
26 690162
692164
692166
692168
27 691299
28 498319
498320
29 692419
692420
32 692852
33 495856
34 495857
35 691279
36 691279
37 690456
40 691752
43 691968
45 690564
46 692421
48 692706
50 690193
51 692137°
53 69O227
54 691148
73 494439
74 691057
75 69O582
78 69O661
93 690602
94 498030
94A 695425
95 691636
95A 690718
98 495800
98A 695408
104 690525
104A 694918
105 231855
105A 694922
KEY PART
DESCRIPTION NO. NO.
Cylinder Assembly 106 690577 O
Kit-Bushing/Seal 108 690464
• Seal-Oil (Magneto Side) 108A 692344
Sump-Engine
Head-Cylinder 108B 695419
•+ Gasket-Cylinder Head 117 692408
Breather Assembly 692411
• Gasket-Breather 117A 695415
Screw (Breather Assembly) 695416
Tube-Breather 121 690191
• Gasket-Crankcase (.015 121A 695427
Thick, Std) 125 690194
• Gasket-Crankcase (.005 125A
Thick)
• Gasket-Crankcase(.009 127 695005
Thick) 127A 690727
Screw (Cylinder Head) 130 691750
Plug-Oil Drain 130A 695418
Crankshaft 131 494379
• Seal-Oil 131A 695421
Screw (Crankcase Cover) 133 494381
Flywheel t 33A 694914
Key-Flywheel 137 281165
Piston Assembly (Standard) 137A 695426
Piston Assembly (.010 O,S.) 141 495097
Piston Assembly (.020 O.S.)
Piston Assembly (.030 O.S.) 141A 495931
Ring Set-Piston (Standard)
Ring Set-Piston (.010 O.S.) 141B 695420
Ring Set-Piston (.020 O.S.) 142 692412
Ring Set-Piston (.030 O.S.) 146 691639
Lock-Piston Pin 167 692297
Pin-Piston (Standard) 176 691917
Pin-Piston (.020 O.S.) 185 690958
Rod-Connecting (Standard) 186 692317
Rod-Connecting (.020 U.S,) 187 691050
Screw (Connecting Rod)
Valve-Exhaust 188 691693
Valve-Intake 192 691986
Spring-Valve (Intake) 202 691841
Spring-Valve (Exhaust) 209 692208
Guard-Flywheel 216 691840
Retainer-Valve 217 695409
Slinger-Governor/Oil 222 694042
Tappet-Valve 227 691374
Camshaft 231 691636
Short Block (311707-0028- 231A 690718
E1 Replacement Engine) 232 691842
Manifold-intake 238 691843
O:1:+Gasket-Intake 240 394358
Stud (Carburetor) 265 691024
Screw (Intake Manifold) 267 695134
Screen-Rotating 276 692255
Screw (Rotating Screen) 276A 695410
Washer (Ftywheet) 287 691002
Screw (Flywheel Guard) 304 691399
O Bushing-Throttle Shatt RPM Settings:
Kit-Idle Mixture
Kitqdle Mixture Included in
O Screw (Throttle Valve) 358
O Screw (Throttle Valve)
Kit-Idle Speed
Kit-Idle Speed
O Pin-Float Hinge
(9 Pin-Float Hinge
O Valve-Float Needle
O Valve-Float Needle
DESCRIPTION
Seat-Inlet
Valve-Choke (Manual Choke)
Valve-Choke(Choke-A-Matic)
Valve-Choke(Nikki Carburetor)
Q 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)
O Plug-Welch
O Plug-Welch
Valve-Throttle
Valve-Throttle
Kit-Throttle Shaft
Kit-Throttle Shaft
Float-Carburetor
Float-Carburetor
{3:1:Gasket-Float Bowl
{3:1: Gasket-Float Bowl
Kit-Choke Shaft (Manual
Choke)
Kit-Choke Shaft (Choke-A-
Matic)
Kit-Choke Shaft (Nikki)
{3 Nozzle-Carburetor
Key-Timing
Air Cleaner Stud Seal
• O-Ring Seal (Air Cleaner)
Nut (Air Cleaner Base)
Connector-Hose
Line-Fuel (Cut 1o Required
Length)
Screw (Control Bracket)
Adjuster-Rocker Arm
Link-Mechanical Governor
Spring-Governor
Link-Choke
Spring-Choke Return
Bracket-Control
Control Lever-Governor
{3 Screw (Choke Valve)
{3 Screw (Choke Valve)
Spring-Governor Link
Cap-Valve
Filter-Fuel
Clamp-Casing
Screw (Casing Clamp)
{3:): Sealing Washer
{3:1:Sealing Washer
Screw (Dipstick Tube)
Housing-Blower
Low Speed: 1900-2100
High Speed: 3000-3200
Engine Gasket Set, Key. No.
{3 Included in Carburetor Overhaul Kit, Key.
NO. 121and121A
:I: 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 1inch = 25.4 mm
52
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