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TRACTOR -- MODEL NUMBER 917.270534
BRIGGS & STRATrON ENGINE-MODEL NUMBER 28U707, TYPE NUMBER 1174-E3
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1496412 Cylinder Assembly 78 94896 Screw (Flywheel Guard)
2 399265 Bushing/Seal Kit 93 690602 Bushing-Throttle Shaft
3 391086 -_ Sea_-Oil 94 498030 Idle Mixture Kit
4 494238 Sump*Engine 95 94098 •Screw (Throttle Valve)
5 691165 Head-Cylinder 98 495800 Kit-Idle Speed
7 273280 -_'+ Gasket-Cylinder Head 104 690525 • Pin-Float Hinge
8 495735 Breather Assembly 105 231855 •Valve-Float Needle
9 27803 _ Gasket-Breather 106 231854 I0 Seat-Inlet
10 691666 Screw (Breather Assembly) 108 690464 Valve-Choke (Manual
12 271916 -A-Gasket-Crankcase (.015 Choke)
Thick, Std.) 108A 692344 Valve-Choke (Choke A
271997 _ Gasket-Crankcase (.005 Matic)
Thick) 117 692408 •Jet- Main (Standard)
271996 -_ Gasket-Crankcase (.009 692411 Jet- Main (High Altitude)
Thick) 121 690191 Carburetor Overhaul Kit
13 690360 Screw (Cylinder Head, 3-9/ 125 690194 Carburetor
16") 127 695005 •Plug-Welch
15 94239 Plug-Oil Drain 130 224539 Valve-Throttle
t6 690136 Crankshaft 131 494379 Throttle Shaft Kit
20 291675 _ SeaI-Oi_ 133 494381 Float-Carburetor
22 692125 Screw (Crankcase Cover) 137 281165 04, Gasket-Float Bowl
23 693557 Flywheel (Steel Ring Gear) 141 495097 Choke Shaft Kit (Manual
23A 492326 Flywheel (Plastic Ring Choke)
Gear) 141A 495931 Choke Shaft Kit (Choke A
24 222698 Key-Flywheel Matic)
25 499284 Piston Assembly (Std.) 142 692412 • Nozzle-Carburetor
499288 Piston Assembly (.010 146 94196 Key-Timing
O.S.) 165 693148 Nut (RingGear)
499292 Piston Assembly (.020 t 67 28 t 051 Nut (Air Cleaner)
176 281106 -tr O-Ring Seal (Air Cleaner
o.s.)
499296 Piston Assembly (.030 Base)
O.S.) 185 94010 Nut (Air Cleaner Base)
26 495854 Ring Set, Piston (Std.) 186 493496 Connector-Hose
495852 Ring Set,(.010 O.S.) 187 492790 Line-Fuel (Cut to Required
495851 Ring Set,(.020 O.S.) Length)
495855 Ring Set,(.030 O.S.) 188 94929 Screw (Control Bracket)
27 691299 Lock-Piston Pin 192 492160 Adjuster- Rocker Arm
28 498319 Piston Pin (Std.) 202 262767 Mechanical Govemor Link
498320 Piston Pin (.005 O.S.) 209 260695 Spring- Governor
29 692419 Rod-Connecting (Std.) 216 262766 Link-Choke
692420 Rod-Connecting (.020 222 694042 Bracket- Control
U.S.) 227 691374 Governor Control Lever
32 692852 Screw (Connecting Rod) 231 94098 • Screw (Choke Valve)
33 495856 Valve-Exhaust 232 262785 Spring-Link
34 495857 Valve- Intake 238 262836 Cap- Valve
35 691279 Spdng- Valve (Intake) 240 394358 Filter-Fuel
36 691279 Spring- Valve (Exhaust) 265 221535 Clamp-Casing
37 690456 Guard-Flywheel 267 94906 Screw (Casing Clamp)
40 224641 Retainer- Valve 276 281164 0- Sealing Washer
43 490815 Governor-Oil Slinger 287 94903 Screw (Dipstick Tube)
45 690564 Tappet- Valve 304 691399 Housing-Blower
46 692421 Camshaft 305 690960 Screw (B_ower Housing)
48 496050 Short Block 305A 692127 Screw (Blower Housing)
50 690193 Manifold- Intake 306 690499 Shield- Cylinder
51 272465 -A-+Gasket-Intake RPM Settings: Low Speed: 1900-2100
51A 273650 Gasket-Intake High Speed: 3000-3200
53 690227 Stud (Carburetor) ,_ Included in Gasket Set, Ref Number
54 691148 Screw (intake Manifold) 358.
73 494439 Screen- Rotating • Included in Carburetor Kit, Ref Number
74 691057 Screw (Rotating Screen) 121.
75 225136 Washer (Flywheel , Included in Carburetor Gasket Set, Ref
Number 977.
+Included in Value Overhaul Kit, Ref
Number 1033.
53
NOTE:
inches All component dimensions given in U.S.
1 inch = 25.4 mm
t, ,9,.
_t
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