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BRIGGS
& STRATTON
4-CYCLE
ENGINE
MODEL NUMBER 122T05-0903-B1
KEY PART
NO.
NO.
DESCRIPTION
1
697322
Cylinder Assembly
2
399269
Kit-Bushing/Seal
3
299819s
• Seal-Oil (Magneto Side)
4
493279
Sump-Engine
5
691160
Head-Cylinder
7
692249
• Gasket-Cylinder
Head
8
695250
Breather Assembly
9
696125
Gasket-Breather
10
691125
Screw (Breather Assembly)
11
691781
Tube-Breather
12
692232
• Gasket-Crankcase
13
690912
Screw (Cylinder Head)
15
691680
Plug-Oil Drain
16
691450
Crankshaft
20
399781s
• Seal-Oil (PTO Side)
22
691092
Screw (Engine Sump)
23
691987
Flywheel
24
222698s
Key-Flywheel
25
790359
Piston Assembly (Standard)
791326
Piston Assembly
(.020" Oversize)
26
790360
Ring Set (Standard)
791324
Ring Set (.020" Oversize)
27
691866
Lock-Piston Pin
28
499423
Pin-Piston
29
499424
Rod-Connecting
32
691664
Screw (Connecting Rod)
32A
695759
Screw (Connecting Rod)
33
262651s
Valve-Exhaust
34
262652s
Valve-Intake
35
691270
Spring-Valve (Intake)
36
691270
Spring-Valve (Exhaust)
37
694086
Guard-Flywheel
40
692194
Retainer-Valve
43
691997
Slinger-Governor/Oil
45
690548
Tappet-Valve
46
691449
Camshaft
48
792741
Short Block
50
497465
Manifold-Intake
51
272199s
• Gasket-Intake
54
691650
Screw (Intake Manifold)
55
691421
Housing-Rewind
Starter
58
697316
Rope-Starter
(Cut to Required Length)
60
281434s
Grip-Starter Rope
65
690837
Screw (Rewind Starter)
78
691108
Screw (Flywheel Guard)
81
691740
Lock-Muffler Screw
KEY
NO.
95
97
1O4
117
118
121
125
127
130
133
134
137
163
187
188
190
202
209
222
227
276
287
300
304
305
306
307
309
310
455
332
333
334
337
356
358
363
365
383
404
425
443
445
456
459
505
510
PART
NO.
DESCRIPTION
691636
Screw (Throttle Valve)
696565
Shaft-Throttle
691242
O Pin-Float Hinge
494870
Jet-Main (Standard)
498667
Jet-Main (High Altitude)
498260
Kit-Carburetor
Overhaul
790821
Carburetor
694468
O Plug-Welch
696564
Valve-Throttle
398187
Float-Carburetor
398188
O Valve-Needle/Seat
693981 O:1:Gasket-Float Bowl
272653s°O:l:Gasket-Air
Cleaner
791873
693399
690940
691829
699056
791128
690783
271716
690940
692038
493293
691108
690450
690345
695550
692327
791960
690662
802574
691061
802592s
692390
497316
19069
692524
89838s
690272
690670
692523
491588s
692299
281505s
691251
494147
Line-Fuel (Molded)
Screw (Control Bracket)
Screw (Fuel Tank)
Link-Mechanical
Governor
Spring-Governor
Bracket-Control
Control Lever-Governor
O:1:Sealing Washer
Screw (Dipstick Tube)
Muffler
Housing-Blower
Screw (Blower Housing)
Shield-Cylinder
Screw (Cylinder Shield)
Motor-Starter
Screw (Starter Motor)
Cup-Flywheel
Nut (Flywheel)
Armature-Magneto
Screw (Armature Magneto)
Plug-Spark
Wire-Stop
Engine Gasket Set
Flywheel Puller
Screw (Carburetor)
Wrench-Spark
Plug
Washer (Governor Crank)
Screw (Air Cleaner Cover)
Screw
(Air Cleaner Primer Base)
Filter-Air Cleaner Cartridge
Plate-Pawl Friction
PawI-Ratchet
Nut (Governor Control Lever)
Drive-Starter
46
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