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TRACTOR - - MODEL NUMBER 917.271652
BRIGGS & STRA'n'ON ENGINE-MODEL NUMBER 310707, TYPE NUMBER 0137-E1
KEY PART KEY PART
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 ,+ Gasket-Cylinder Head
8 495735 Breather Assembly 108B 695419
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
691299 Lock-Piston Pin 142 692412
498319 Pin-Piston (Standard) 146 691639
498320 Pin-Piston (.020 O.S.) 167 692297
692419 Rod-Connecting (Standard) 176 691917
499940 Rod-Connecting (.020 U.S.) 186 692317
692852 Screw (Connecting Rod) 187 691050
495856 Valve-Exhaust
495857 Valve-Intake 188 691693
691279 Spring-Valve (Intake) 192 691986
691279 Spring-Valve (Exhaust) 202 691841
690456 Guard-Flywheel 209 692208
691752 Retainer-Valve 216 691840
691968 Slinger-Governor/Oil 217 695409
690564 Tappet-Valve 222 694042
692421 Camshaft 227 691374
692706 Short Block (311707-0028- 231 691636 O
E1 Replacement Engine) 231A 690718 (_
50 690193 Manifold-Intake 232 691842
51 692137° 1_:+ Gasket-Intake 238 691843
53 690227 Stud (Carburetor) 240 394358
54 691148 Screw (Intake Manifold) 265 691024
73 690492 Screen-Rotating 267 695134
74 691674 Screw (Rotating Screen) 276 692255 O:1:
75 690582 Washer (Flywheel) 276A 695410 6:1:
78 690661 Screw (Flywheel Guard) RPM Settings:
93 690602 Bushing-Throttle Shaft
94 498030 Kit-Idle Mixture
94A 695425 Kit-Idle Mixture
95 691636 Q Screw (Throttle Valve)
95A 690718 (_ 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
27
28
29
32
33
34
35
36
37
40
43
45
46
48
DESCRIPTION
1_ Valve-Float Needle
Valve-Float Needle
Seat-Inlet
Valve-Choke (Manual Choke)
Valve-Choke(Choke-A-Matic)
Valve-Choke(Nikki Carburetor)
ID Jet-Main (Standard)
Jet-Main (High Altitude)
(_ Jet-Main (Standard)
O Jet-Main (High Altitude)
Kit-Carburetor Overhaul
Kit-Carburetor Overhaul
Carburetor
Carburetor (Nikki) (Service
with Walbro Carburetor)
Q Plug-Welch
ID Plug-Welch
Valve-Throttle
Valve-Throttle
Kit-Throttle Shaft
Kit-Throttle Shaft
Float-Carburetor
Float-Carburetor
121:1:Gasket-Float Bowl
O_: Gasket-Float Bowl
Kit-Choke Shaft (Manual
Choke)
Kit-Choke Shaft (Choke-A-
Matic)
Kit-Choke Shaft (Nikki)
1_ 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
Screw (Choke Valve)
Screw (Choke Valve)
Spring-Governor Link
Cap-Valve
Filter-Fuel
Clamp-Casing
Screw (Casing Clamp)
Sealing Washer
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
_: 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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