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TRACTOR - - MODEL NUMBER 917.271653
BRIGGS & STRATrON ENGINE-MODEL NUMBER 310707, TYPE NUMBER 0137-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 690156 Cylinder Assembly 105 231855 _ Valve-Float Needle
2 399265 Kit-Bushing/Seal 105A 694922 _ Valve-Float Needle
3 391086 • Seal-Oil (Magneto Side) 106 690577 Seat-Inlet
4 494238 Sump-Engine 108 690464 Valve-Choke (Manual Choke)
5 690188 Head-Cylinder 108A 692344 Valve-Choke(Choke-A-Matic)
7 692410 o+ Gasket-Cylinder Head
B 495735 Breather Assembly 1088 695419 VaNe-Choke(Nikk{ Carburetor)
9 27803 • Gasket-Breather 117 692408 O Jet-Main (Standard)
t 0 69 t 666 Screw (Breather Assembly) 692411 Jet-Main (High Altitude)
11 691328 Tube-Breather 117A 695415 O Jet-Main (Standard)
12 692226 • Gasket-Crankcase (.015 695416 O Jet-Main (High Altitude)
Thick, Std) 121 690191 Kit-Carburetor Overhaul
692406 • Gasket-Crankcase (.005 121A 695427 Kit-Carburetor Overhaul
Thick) 125 690194 Carburetor
692405 ° Gasket-Crankcase (.009 125A Carburetor (Nikki) (Service
Thick) with Walbro Carburetor)
13 690360 Screw (Cylinder Head) 127 695005 O Plug-Welch
15 690946 Plug-Oil Drain 127A 690727 1_ Plug-Welch
16 690136 Crankshaft 130 691750 Valve-Throftle
20 291675 ° Seal-Oil 130A 695418 Valve-'rhroftle
22 692125 Screw (Crankcase Cover) 131 494379 Kit-ThrotUe Shaft
23 693557 Flywheel 131A 695421 Kit-Throttle Shaft
24 222698 Key-Flywheel 133 494381 Float-Carburetor
25 692271 Piston Assembly (Standard) 133A 694914 Float-Carburetor
692272 Piston Assembly (.010 O.S.) 137 281165 O_ Gasket-Float Bowl
692273 Piston Assembly (.020 O.S.) 137A 695426 O:1: Gasket-Float Bowl
692274 Piston Assembly (.030 O.S.) 141 495097 Kit-Choke Shaft (Manual
26 690162 Ring Set-Piston (Standard) Choke)
692164 Ring Set-Piston (.010 O.S.) 141A 495931 Kit-Choke Shaft (Choke-A-
692166 Ring Set-Piston (.020 O.S. ! Matic)
692168 Ring Set-Piston (.030 O.S.t 141B 695420 Kit-Choke Shaft (Nikki)
27 691299 Lock-Piston Pin 142 692412 O Nozzle-Carburetor
28 498319 Pin-Piston (Standard) 146 691639 Key-Timing
498320 Pin-Piston (.020 O.S.) 167 692297 Air Cleaner Stud Seal
29 692419 Rod-Connecting (Standard) 176 691917 • O-Ring Seal (Air Cleaner)
499940 Rod-Connecting (.020 U.S.) 186 692317 Connector-Hose
32 692852 Screw (Connecting Rod) 187 691050 Line-Fuel (Cut to Required
33 495856 Valve-Exhaust Length)
34 495857 Valve-Intake 188 691693 Screw (Control Bracket)
35 691279 Spring-Valve (Intake) 192 691986 Adjuster-Rocker Arm
36 691279 Spring-Valve (Exhaust) 202 691841 Link-Mechanical Governor
37 690456 Guard-Flywheel 209 692208 Spring-Governor
40 691752 Retainer-Valve 216 69 t 840 Link-Choke
43 691968 Slinger-Governor/Oil 217 695409 Spring-Choke Return
45 690564 Tappet-Valve 222 694042 Bracket-Control
46 692421 Camshaft 227 691374 Control Lever-Governor
48 692706 Short Block (311707-0028- 231 691636 O Screw (Choke Valve)
E1 Replacement Engine) 231A 690716 _ Screw (Choke Valve)
50 690193 Manifold-Intake 232 691842 Spring-Governor Link
51 692137° _:1:+ Gasket-Intake 238 691843 Cap-Valve
53 690227 Stud (Carburetor) 240 394358 Filter-Fuel
54 691148 Screw (Intake Manifold) 265 691024 Clamp-Casing
73 690492 Screen-Rotating 267 695134 Screw (Casing Clamp)
74 691674 Screw (Rotating Screen) 276 692255 _:l: Sealing Washer
75 690582 Washer (Flywheel) 276A 695410 I_:I: Sealing Washer
78 690661 Screw (Flywheel Guard) RPM Settings: Low Speed: 1900-2100
93 690602 Bushing-Throttle Shaft High Speed: 3000-3200
94 498030 Kit-Idle Mixture
94A 695425 Kit-Idle Mixture Included in Engine Gasket Set, Key. No.
95 691636 _ Screw (Throttle Valve) 358
95A 690718 (_ Screw (Throttle Valve) _ Included in Carburetor Overhaul Kit, Key.
96 495800 Kit-Idle Speed No. 121and121A
98A 695408 Kit-Idle Speed _ included in Carburetor Gasket Set, Key.
104 690525 O Pin-Float Hinge No. 977 and 977A
104A 694918 Q Pin-Float Hinge + included in Valve Gasket Set, Key. No.
1095
NOTE: All component dimensions given in U.S.
inches 1 inch = 25.4 mm
52