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TRACTOR - MODEL NUMBER 917.271555
BRIGGS & STRATTON ENGINE-MODEL NUMBER 310707,TYPE NUMBER 0137-E1
PART KEY PART
KEY
NO. NO. DESCRIPTION NO. NO.
1 690156 Cylinder Assembly 105 231855
2 399265 Kit-Bushing/Seal 105A 694922
3 391086 • Seal-Oil (Magneto Side) 106 690577
4 494238 Sump-Engine 108 690464
5 690188 Head-Cylinder 108A 692344
7 692410 o+Gasket-Cylinder Head 106B 695419
8 495735 Breather Assembly
9 27803 • Gasket-Breather 117 692408
10 691666 Screw (Breather Assembly) 692411
11 691328 Tube-Breather 117A 695415
12 692226 • Gasket-Crankcase (.015 695416
Thick, Std) 121 690191
692406 ,Gasket*Crankcase (.005 121A 695427
Thick) 125 690194
692405 • Gasket-Crankcase (.009 125A
Thick)
13 690360 Screw (Cylinder Head) 127 695005
15 690946 Plug-Oil Drain 127A 690727
16 690136 Crankshaft 130 691750
20 291675 • Seal-Oil 130A 695418
22 692125 Screw (Crankcase Cover) 131 494379
23 693557 Flywheel 131A 695421
24 222698 Key-Flywheel 133 494381
25 692271 Piston Assembly (Standard) 133A 694914
692272 Piston Assembly (.010 O.S,) 137 281165
692273 Piston Assembly (.020 O.S.) 137A 695426
692274 Piston Assembly (.030 O.S.) 141 495097
26 690162 Ring Set-Piston (Standard)
692164 Ring Set-Piston (.010 O.S.) 141A 495931
692166 Ring Set-Piston (.020 O.S.)
692168 Ring Set-Piston (,030 O.S.) 141B 695420
27 691299 Lock-Piston Pin 142 692412
28 498319 Pin-Piston (Standard) 146 691639
498320 Pin-Piston (.020 O.S,) 167 692297
29 692419 Rod-Connecting (Standard) 176 691917
499940 Rod-Connecting (.020 U.S,) 186 692317
32 692852 Screw (Connecting Rod) 187 691050
33 495856 Valve-Exhaust
34 495857 Valve-Intake 188 691693
35 691279 Spring-Valve (Intake) 192 691986
36 691279 Spring-Valve (Exhaust) 202 691841
209 692208
37 690456 Guard-Flywheel
40 691752 Retalner-Valve 216 691840
43 691968 Slinger-Governor/Oil 217 695409
45 690564 Tappet-Valve 222 694042
46 692421 Camshaft 227 691374
48 692706 Short Block 231 691636
(311707-0028-E1 231A 690718
Replacement Engine) 232 691842
690193 Manifold-Intake 238 691843
692137, (_:l:+Gasket-lntake 240 394358
690227 265 691024
691148 267 695134
690492 276 692255
691674 276A 695410
690582 RPM Settings:
690661
690602
498030
695425
691636
690718
5O
51
53
54
73
74
75
78
93
94
94A
95
95A
98 495809
98A 695408
104 690525
104A 694918
Stud (Carburetor)
Screw (Intake Manifold)
Screen-Rotating
Screw (Rotating Screen)
Washer (Flywheel)
Screw (Flywheel Guard)
Bushing-Throttle Shaft
Kit-Idle Mixture
Kit-Idle Mixture
(3 Screw (Throttle Valve)
(3 Screw (Throttle Valve)
Kit-Idle Speed
Kit-Idle Speed
(3 Pin-Float Hinge
1_Pin-Float Hinge
DESCRIPTION
a Valve-Float Needle
Valve-Float Needle
Seat-Inlet
Valve-Choke (Manual Choke)
Valve-Choke (Choke-A-Matic)
Valve-Choke(Nikki
Carburetor)
a Jet-Main (Standard)
Jet-Main (High Altitude)
(3 Jet-Main (Standard)
a Jet-Main (High Altitude)
Kit-Carburetor Overhaul
Kit-Carburetor Overhaul
Carburetor
Carburetor (Nikki) (Service
with Walbro Carburetor)
(3 Plug-Welch
Plug-Welch
Valve-Throttle
Valve-Throttle
Kit-ThrottleShaft
Kit-ThrottleShaft
Float-Carburetor
Float-Carburetor
O:1:Gasket-Float Bowl
a:[: Gasket-Float Bowl
Kit-Choke Shaft
(Manual Choke)
Kit-Choke Shaft
(Choke-A-Matic)
Kit-Choke Shaft (Nikki)
O Nozzle-Carburetor
Key-Timing
Air Cleaner Stud Seal
• O-Ring Seal (AirCleaner)
Connector-Hose
Line-Fuel
(Cut to Required Length)
Screw (Control Bracket)
Adjuster-Rocker Arm
Link-Mechanical Governor
Spring-Governor
k-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)
(3.1:Sealing Washer
O_ Sealing Washer
Low Speed: 1900-2100
High Speed: 3000-3200
_ Included in Engine Gasket Set, Key. No.358
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.
52 inches 1 inch =25,4 mm
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