BRIGGS
& STRATTON
4-CYCLE
ENGINE
MODEL
NUMBER
12S505-3856-B1
KEY
PART
KEY
PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRIPTION
524
692296
• Seal-Dipstick Tube
525
495265
Tube-Dipstick
544
690786
Starter-Armature
545
492919
Washer Set
562
92613
Bolt
(Governor Control Lever)
584
697734
Cover-Breather
Passage
585
691879
• Gasket-Breather
Passage
592
690800
Nut (Rewind Starter)
597
691696
Screw (Pawl Friction Plate)
601
791850
Clamp-Hose
608
497680
Starter-Rewind
613
691108
Screw (Muffler)
613A
691140
Screw (Muffler)
615
690340
Retainer-Governor
Shaft
616
698801
Crank-Governor
619
691108
Screw
(Cylinder Head Plate)
621
692310
Switch-Stop
633
691321
O:1:Seal-Throttle Shaft
635
66538s
Boot-Spark Plug
651
690345
Screw (Starter Gear Cover)
670
692294
Spacer-Fuel Tank
684
690345
Screw
(Breather Passage Cover)
689
691855
Spring-Friction
697
691127
Screw (Starter Motor)
718
690959
Pin-Locating
741
790345
Gear-Timing
742
93941
Retainer-E Ring
745
691648
Screw (Brake)
783
691918
Gear-Pinion
783A 691269
Gear-Pinion
784
692341
Cover-Starter Gear
785
692352
Gasket-Starter Cover
789
696547
Harness-Wiring
801
690782
Cap-Drive
802
695267
Cap-End
803
695266
Housing-Starter
830
694544
Stud (Rocker Arm)
842
691031
• SeaI-O Ring
(Dipstick Tube)
847
692047
Assembly-Dipstick/Tu
be
851
493880s
Terminal-Spark
Plug
868
692044
•+ Seal-Valve
883
691893
•+ Gasket-Exhaust
886
696268
Gasket Kit-
Cylinder Head/Plate
914
691108
Screw (Rocker Cover)
914A
691127
Screw (Rocker Cover)
921
691465
Cover-Blower Housing
922
692135
Spring-Brake
923
695891
Brake
935
398758
Switch-Interlock
937
691325
Spline-Starter
957
699985
Cap-Fuel Tank
966
690243
Base-Air Cleaner Primer
967
273356
Filter-Pre Cleaner
968
691342
Cover-Air Cleaner
969
691138
Screw
(Blower Housing Cover)
972
699374
Tank-Fuel
975
493640
Bowl-Float
976
694395
Primer-Carburetor
977
792385
Set-Carburetor
Gasket
993
694088
•+ Gasket -
Cylinder Head Plate
1022
691890
•+ Gasket-Rocker
Cover
1023
499624
Cover-Rocker Arm
1026
692045
Rod-Push
1029
691230
Arm-Rocker
1034
691343
Guide-Push Rod
1036
- - -
Label-Emissions
(Available
from an Authorized Briggs
& Stratton Service Dealer)
1058
MS3782
Operator's Manual
1059
692311
Kit-Screw/Washer
1095
792386
Set-Valve Gasket
1160
691627
Screw (Interlock Switch)
1210
498144
Assembly-Pulley/Spring
(Pulley)
1211
498144
Assembly-Pulley/Spring
(Spring)
1329
12S507-0062
Replacement Engine
(Replacement
Engine listed
is not available in the State
of California.
Repair with
individual parts.)
1330
272147
Repair Manual
- -
398067
Spark Arrester
(available accessory)
•
Included in Engine Gasket Set,
Key Number 358
O Included in Carburetor Overhaul Kit,
Key Number 121
:1: Included in Carburetor Gasket Set,
Key Number 977
NOTE: All component dimensions given in U.S.
inches.
1 inch = 25.4 mm
50