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TRACTOR-- MODEL NUMBER 917.271661
BRIGGS & STRATTON ENGINE-MODEL NUMBER 310707, TYPE NUMBER 0137-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 690168 Head-Cylinder
7 692410 -+ 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.)
692168 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 (311797-9028-E1
Replacement Engine)
50 690193 Manifold-Intake
51 692137. Q_:+ 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-Idle Mixture
95 691636 _ Screw (Throttle Valve)
95A 690718 1_ Screw (Throttle Valve)
98 495800 Kit-idle Speed
98A 695408 Kit-Idle Speed
104 690525 O Pin-Float Hinge
104A 694918 O Pin-Float Hinge
KEY PART
NO. NO.
105 231855
105A 694922
106 690577
108 690464
108A 692344
108B 695419
117 692408
692411
117A 695415
695416
121 690191
121A 695427
125 690194
125A
127 695005
127A 690727
130 691750
130A 695418
131 494379
131A 695421
133 494381
133A 694914
DESCRIPTION
Valve-Float Needle
Valve-Float Needle
Seat-inlet
Valve-Choke (Manual Choke)
Valve-Choke(Choke-A-Matic)
Valve-Choke(Nikki Carburetor)
O Jet-Main (Standard)
Jet-Main (High Altitude)
Jet-Main (Standard)
Jet-Main (High Altitude)
Kit-Carburetor Overhaul
Kit÷Carburetor Overhaul
Carburetor
Carburetor (Nikki) (Service
with Walbro Carburetor)
Q Plug-Welch
Plug-Welch
Valve-Throttle
Valve-Throttle
Kit-Threttle Shaft
Kit-Throttle Shaft
Float-Carburetor
Float-Carburetor
137 281165 _:1: Gasket-Float Bowl
137A 695426 _:I: Gasket-Float Bowl
141 495097 Kit_Choke Shaft (Manual
Choke)
141A 495931 Kit-Choke Shaft (Choke-A-
Matic)
141B 695429 Kit-Choke Shaft (Nikki)
142 692412 O Nozzle-Carburetor
146 691639 Key-Timing
167 692297 Air Cleaner Stud Seal
176 691917 ° O-Ring Seal (Air Cleaner)
186 692317 Connector-Hose
187 691050 Line-Fuel (Cut to Required
Length)
188 691693.. Screw (Control Bracket)
192 691986 Ad uster-Rocker Arm
202 691841 Link-Mechancal Governor
209 692208 Spring-Governor
216 691840 Link-Choke
217 695409 Spring-Choke Return
222 694042 Bracket-Control
227 691374 Control Lever-Governor
231 691636 O Screw (Choke Valve) i*
231A 690716 a Screw (Choke Valve)
232 691842 Spring-Governor Link
238 691843 Cap-Valve
240 394356 Filter-Fuel
265 691024 Clamp-Casing
267 695134 Screw (Casing Clamp)
276 692255 O1: Sealing Washer
276A 695410 (_t Sealing Washer
RPM Settings: Low Speed: 1900-2100
High Speed: 3900-3200
Included in Engine Gasket Set, Key. No.
358
1_ Included in Carburetor Overhaul Kit, Key.
No. 121 and121A
: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
56
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