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BRIGGS & STRATTON 4-CYCLE ENGINE MODEL NUMBER 12S505-3856-B1
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 692670
2 399269
3 299819s
4 493279
5 792381
7 697230
8 495786
9 699833
10 691125
11 691260
11A 692937
12 692232
13 691137
15 691680
16 691456
20 399781s
22 691092
23 697610
24 222698s
25 791968
791326
26 791969
791324
27 691866
28 499423
29 499424
32 691664
32A 695759
33 499642
34 499641
35 691304
36 691304
40 692194
43 691997
45 690977
46 694039
48 692748
51
51A
51B
55 691421
58 697316
60 281434
65 690837
95 691636
97 790121
104 691242
117 498981
,+
Cylinder Assembly
Kit-Bushing/Seal
Seal-Oil (Magneto Side)
Sump-Engine
Head-Cylinder
Gasket-Cylinder Head
Breather Assembly
Gasket-Breather
Screw (Breather Assembly)
Tube-Breather
Tube-Breather
Gasket-Crankcase
Screw (Cylinder Head)
Plug-Oil Drain
Crankshaft
Seal-Oil (PTO Side)
Screw (Engine Sump)
Flywheel
Key-Flywheel
Piston Assembly
(Standard)
Piston Assembly
(.020" Oversize
Ring Set-Piston Standard)
Ring Set-Piston
(.020" Oversize
Lock-Piston Pin
Pin-Piston
Rod-Connecting
Screw (Connecting Rod)
Screw (Connecting Rod)
Valve-Exhaust
Valve-Intake
Spring-Valve (Intake)
Spring-Valve (Exhaust)
Retainer-Valve
Slinger-Governor/Oil
Tappet-Valve
Camshaft
Short Block
692668, O5+Gasket-lntake
692555,05+ Gasket-Intake
697735, O5+Gasket-lntake
Housing-Rewind Starter
Rope-Starter
(Cut to Required Length)
Grip-Starter Rope
Screw (Rewind Starter)
Screw (Throttle Valve)
Shaft-Throttle
O Pin-Float Hinge
Jet-Main (Standard)
118 498978
121 792383
122 792382
125 790120
127 694468 O
130 696564
133 398187
134 398188 O
137 693981 O5
163 691894,05+
187 791766
188 691147
190 690940
192 694543
202 691303
209 691851
222 792404
227 691467
238 691300
259 691189
276 271716
287 690940
300 697590
304 499677
305 691108
306 691232
307 690345
309 695550
310 692327
332 690662
333 802574
334 691061
337 692051
356 692390
358 792384
363 19069
365 691129
383 19374s
404 690272
425 690244
443 690255
445 697029
455 791960
456 692299
459 281505s
505 691251
510 494147
513 692358
523 499621
49
05
Jet-Main (High Altitude)
Kit-Carburetor Overhaul
Spacer-Carburetor
Carburetor
Plug-Welch
Valve-Throttle
Float-Carburetor
Valve-Needle/Seat
Gasket-Float Bowl
Gasket-Air Cleaner
Line-Fuel
(Cut to Required Length)
Screw (Control Bracket)
Screw (Fuel Tank)
Bali-Rocker Arm
Link-Mechanical Governor
Spring-Governor
Bracket-Control
Control Lever-Governor
Cap-Valve
Bracket-Casing Clamp
Sealing Washer
Screw (Dipstick Tube)
Muffler
Housing-Blower
Screw (Blower Housing)
Shield-Cylinder
Screw (Cylinder Shield)
Motor-Starter
Screw (Starter Motor)
Nut (Flywheel)
Armature-Magneto
Screw (Armature Magneto)
Plug-Spark
Wire-Stop
Gasket Set-Engine
Puller-Flywheel
Screw (Carburetor)
Wrench-Spark Plug
Washer (Governor Crank)
Screw (Air Cleaner Cover)
Screw
(Air Cleaner Primer Base)
Filter-Air Cleaner Cartridge
Cup-Flywheel
Plate-Pawl Friction
PawI-Ratchet
Nut
(Governor Control Lever)
Drive-Starter
Clutch-Drive
Dipstick
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