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TRACTOR - - MODEL NUMBER 917.917.270631
BRIGGS & STRATTON ENGINE-MODEL NUMBER 28U707, TYPE NUMBER 1174-E1
KEY PART
NO. NO.
1 496412
2 399265
3 391086
4 494238
5 495858
7 273280
8 495735
9 27803
10 94621
11 281246
12 271916
271997
271996
13 94728
15 94239
16 498971
94196
20 291675
22 94624
23 492326
24 222698
25 495860
495977
495978
495979
26 495854
495852
495851
495855
27 263129
28 498319
498320
29 494504
495490
32
32A
33
34
35
37
40
45
46
5t
52
53
75
78
87
93
94
95
98
94695
94648
495856
495857
262811
224502
224641
262411
496884
272465
272569
94637
225136
94832
491323
281346
498030
94098
495800
=t
tt_**
KEY PART
DESCRIPTION NO. NO,
CytinderAssembly 104 231789
Bearing, Cylinder 105 231855
Seal, Oil 106 231854
Base, Engine 108 224558
Head, Cylinder !08A 224540
Gasket, CyiinderHead 111 262715
Breather Assembly 117 232118
Gasket, Valve Cover 232119
Screw, Sems 121 499233
Tube, Breather 123 94913
Gasket, Crankcase Cover, ,015" 125 499153
Gasket, Crankcase Cover; _005" 127 - - -
Gasket, Crankcase Cover, _009" 130 224539
Screw, Cylinder Head 131 494379
Plug, Oil Drain 133 494381
Crankshaft 137 281165
_ming Gear Key 138 281164
Seal, OII 141 495097
Screw, Sems, Base Mounting
Flywheeland Ring Gear 141A 495931
Assembly, Magneto
Key, Flywheel 142 232t17
Piston Assembly, Standard Size 146 94196
Piston Assembly, ..010" Oversize 164 214047
Piston Assembly, .020" Oversize 166 94555
Piston Assembly, .030" Oversize 171 281051
Ring Set, Piston, Standard Size 186 493496
Ring Set, Piston, ..010"Oversize 187 298099
Ring Set, Piston, ..020"Oversize 188 94627
Ring Set, Piston, .030" Oversize 192 492160
Lock, Piston Pin 201 262767
Pin Assy. Piston, Standard Size 209 260695
Pin Assyo, Piston, 005" Oversize 216 262766
Rod Assembly, Connecting 219 490615
Rod Assembly, Connecting, 222 49561t
020" Undersize Crankpin Bore 224 94905
Screw, Hex Washer Head, 225 495157
1-57/64 227 493935
Screw, Hex Washer Head, 1-5/8 230 94742
Valve, Exhaust 232 262785
Valve, Intake 238 262836
Spring, Valve 240 394358
Guard, Flywheel 265 221535
Retainer, Valve Spring 284 94704
Tappet, Valve
Gear, Cam
Gasket, Carburetor
(Carburetor to Elbow)
Gasket, Carburetor
(Elbow to Cylinder)
Stud, Carburetor Mounting
Washer, Spr_ng
Screw, Pan Head
NOTE:
Seal, Governor Shaft
Bushing, Throttle Shaft
Valve, Needle
Screw, Throttle
Screw, Idle Speed
DESCRIPTION
*Jr
Pin, F!oat Hinge
'valve Float
Seat, Inlet Valve
Valve, Choke (Lmt 153)
Valve, Choke (Lmt t54)
Spring Choke (Lmt 155)
Jet, Needle Valve (Std_)
Jet, Needle Vaive (Hi-All.)
Carburetor Overhaul Kit
Screw, Elbow Mounting
Carburetor Assembly
Plug, Welch (Sold in Kit Only)
Valve, Throttle
Shaft and Lever, Throttle
Float, Carburetor
Gasket, Float Bowl
Washer, Bowl
Choke, Shaft Kit (Choke-A-
Matic)
Choke, Shaft Kit (Choke-A-
Matic)
Nozzle, Carburetor
Key, Timing Gear
EIbow, Carburetor
Stud, Rocker Arm
Nut, Air Cleaner Mounting
Connector, Hose
Line, Fuel (Cut to Suit)
Screw, Sems
Screw Assembly, RockerArm
Link, Governor
Spring, Governor
Link, Choke
Gear, Govemor
Plate, Governor Control
Screw, Sems, Air Cleaner
Crank, Govemor
Lever Assembly, Governor
Washer, Govemor Crank
Spring, Govemor Link
Cap, Valve
Filter; Fuel (In Fuer Line)
Clamp, Casing
Screw, Hex Head
* Included in Gasket Set (495993)
** Included in Carburetor Kit (499233)
*** Included in both Gasket Set (495993) and
Valve Overhaul Kit (495992)
.... Included in Gasket Set (495993), Carburetor
Kit (499233) and Carburetor Gasket Set
(494385)
All component dimensions given in U.S_inches
1 inch = 25_4 mm
54