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12X812-0121-B1 Briggs and Stratton Engine

Model: 12X812-0121-B1

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Air Cleaner, Controls, Electrical, Exhaust System, Flywheel Brake, Fuel Supply, Governor Spring, Ignition

...
...
11B
TUBE, Breather BS-691923
...
81
LOCK, Muffler Screw BS-691740
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159
BASE-AIR CLEANER PRIM BS-795259
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163
GASKET-AIR CLEANER (Air Cleaner) BS-795629
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187
LINE, Fuel (Cut To Required Length) BS-791766
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188
SCREW (Control Bracket) BS-690877
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190
SCREW (Fuel Tank) BS-690940
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202
LINK, Mechanical Governor BS-691829
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209
SPRING, Governor BS-690241
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222
BRACKET, Control (Remote/Manual Friction)(Primer) BS-790143
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222E
BRACKET, Control (Fixed Speed And 5 Position Manual Choke) BS-692982
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227
LEVER, Gov Control BS-690783
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236
LINK, Lockout BS-691826
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265
CLAMP, Casing BS-690798
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267
SCREW (Casing Clamp) BS-691044
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268
CASING, Control Wire (Cut To Required Length) BS-691025
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269
WIRE, Control (Cut To Required Length) BS-26634
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270
NUT (Control Wire Casing) BS-691027
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271
LEVER, Control BS-691028
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300B
MUFFLER (Super Lo Tone Catalyst) BS-694048
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333
ARMATURE-MAGNETO BS-590454
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333A
ARMATURE-MAGNETO BS-590454
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333A
ARMATURE-MAGNETO (Screw On Spark Plug Boot) BS-590454
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334
SCREW (Magneto Armature) BS-691061
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346
SCREW (Spark Arrestor) BS-690661
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347
SWITCH, Rocker BS-691396
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356
WIRE, Stop BS-692390
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356B
WIRE, Stop BS-693010
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404
WASHER (Governor Crank) BS-690272
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425A
SCREW (Air Cleaner Cover) BS-690670
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443A
SCREW (Air Cleaner Primer Base) BS-692523
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445A
FILTER, A/C Cartridge BS-491588S
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497
SCREW (Stopswitch Bracket) BS-690664
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505
NUT (Governor Control Lever) BS-691251
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562
BOLT (Governor Lever) BS-92613
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578
WIRE ASSEMBLY BS-398153
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601
CLAMP, Hose BS-791850
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613B
SCREW (Muffler) BS-691114
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615
RETAINER, Governor Shaft BS-690340
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616
CRANK, Governor BS-698801
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621
SWITCH, Stop BS-692310
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627
BRACKET-STOPSWITCH BS-792565
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635A
SHIELD, SPARK PLUG (Snap In Style) BS-84013618
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635A
SHIELD, SPARK PLUG (Screw On Style) BS-84013618
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668
SPACER (Includes 2) BS-493823
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670
SPACER, Fuel Tank BS-692294
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676
DEFLECTOR, Muffler (Single Louver) BS-396548
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677
SCREW (Muffler Deflector) BS-690661
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745
SCREW (Brake) BS-691648
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832B
GUARD, Muffler BS-497683
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836
SCREW (Muffler Guard) BS-690664
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836B
SCREW (Muffler Guard) BS-691147
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843
SLEEVE, Lever (Speed Control) BS-691884
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843A
SLEEVE, Lever (Choke) BS-691895
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851
TERMINAL, Spark Plug BS-493880S
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851A
TERMINAL, Spark Plug BS-692424
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883
GASKET, Exhaust BS-691881
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922
SPRING-BRAKE BS-691831
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923
BRAKE BS-796387
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957
CAP-FUEL TANK (Plastic) BS-796577
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957B
CAP-FUEL TANK (Plastic) BS-796577
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966A
BASE-AIR CLEANER PRIM (Primer) BS-795259
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967A
FILTER, Air Cleaner Foam BS-493537S
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968B
COVER, Air Cleaner BS-692298
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970
SCREW (Air Cleaner Primer Bracket) BS-691669
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972B
TANK, Fuel (Plastic) BS-699374
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976
PRIMER, Carburetor BS-694395
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994B
ARRESTOR, Spark BS-792245
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1059
KIT, Screw/Washer BS-692311

Blower Housing/Shrouds, Flywheel, Rewind Starter

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23A
FLYWHEEL (Electric Start) BS-591282
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37
GUARD-FLYWHEEL BS-793756
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55
HOUSING, Rewind Starter BS-691421
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58
ROPE, Starter (Cut To Required Length) BS-697316
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60
GRIP, Starter Rope BS-281434S
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60C
GRIP, Starter Rope BS-799716
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65
SCREW (Rewind Starter) BS-690837
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78
SCREW (Flywheel Guard) BS-691108
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304
HOUSING, Blower BS-694879
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305
SCREW (Blower Housing) BS-691108
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332
NUT (Flywheel) BS-690662
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363
PULLER, Flywheel BS-19069
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455
CUP, Flywheel BS-791960
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456
PLATE-PAWL FRICTION BS-692299
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459
PAWL-RATCHET BS-281505S
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592
NUT (Rewind Starter) BS-690800
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597
SCREW (Pawl Friction Plate) BS-691696
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608
STARTER, Rewind BS-497680
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689
SPRING-FRICTION BS-691855
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921C
HOUSING, Blower (Static Guard)(Satin Black) BS-694880
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969A
SCREW (Blower Housing) BS-691138
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1005
FAN, Flywheel BS-691346
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1210
PULLEY/SPRING ASSY (Pulley) BS-498144
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1211
PULLEY/SPRING ASSY (Spring) BS-498144

Cams, Crankshaft, Cylinder, Engine Sump, Kit/Gaskets, Lubrication, Piston Group, Valves

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...
1
CYLINDER ASSEMBLY Used After Code Date 11063000 BS-592645
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1
CYLINDER ASSEMBLY Used Before Code Date 11070100 BS-592645
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2
KIT, Bushing/Seal (Magneto Side) BS-796961
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3
SEAL, Oil (Magneto Side) BS-299819S
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4
SUMP, Engine BS-498983
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5
HEAD, Cylinder Used After Code Date 11063000 BS-590411
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5
HEAD-CYLINDER Used Before Code Date 11070100 BS-594989
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7
GASKET, Cylinder Head Used Before Code Date 11070100 BS-692249
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7
GASKET, Cylinder Head Used After Code Date 11063000 BS-799875
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8
BREATHER ASSEMBLY Used Before Code Date 11070100 BS-590395
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8
BREATHER ASSEMBLY Used After Code Date 11063000 BS-590395
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9
GASKET-BREATHER Used Before Code Date 11070100 BS-699833
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9
GASKET-BREATHER Used After Code Date 11063000 BS-699833
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10
SCREW (Breather Assembly) BS-691125
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11
TUBE-BREATHER BS-691781
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12
GASKET, Crankcase BS-692232
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13
SCREW (Cylinder Head) Used Before Code Date 11070100 BS-690912
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13
SCREW (Cylinder Head) Used After Code Date 11063000 BS-590422
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15
PLUG, Oil Drain (Square Socket) BS-691680
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15A
PLUG, Oil Drain (Hex Socket) BS-691093
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16
CRANKSHAFT BS-691482
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20
SEAL, Oil (PTO Side) BS-399781S
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20A
SEAL, Oil (PTO Side) (Auxiliary PTO) BS-691952
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22
SCREW (Crankcase Cover/Sump) BS-691092
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24
KEY, Flywheel BS-222698S
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25
PISTON ASSEMBLY-020 (.020 Oversize) Used After Code Date 09041600 Used Before Code Date 11070100 BS-590407
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25
PISTON ASSEMBLY (.020 Oversize) (.020 Oversize) Used Before Code Date 04102200 BS-799064
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25
PISTON ASSEMBLY (Standard) Used After Code Date 11063000 BS-590404
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25
PISTON ASSEMBLY-020 (.020 Oversize) Used After Code Date 11063000 BS-590407
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25
PISTON ASSEMBLY (Standard) Used Before Code Date 07090400 BS-799063
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25
PISTON ASSEMBLY (.020 Oversize) Used After Code Date 04102100 Used Before Code Date 07090400 BS-799064
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25
PISTON ASSEMBLY (Standard) Used After Code Date 07090300 Used Before Code Date 09041700 BS-799063
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25
PISTON ASSEMBLY (.020 Oversize) Used After Code Date 07090300 Used Before Code Date 09041700 BS-799064
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25
PISTON ASSEMBLY (Standard) Used After Code Date 09041600 Used Before Code Date 11070100 BS-590404
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26
PISTON ASSEMBLY-020 (.020 Oversize) Used After Code Date 09041600 Used Before Code Date 11070100 BS-590407
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26
SET, Ring (Standard) Used Before Code Date 04031500 BS-499425
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26
SET, Ring (.020 Oversize) Used Before Code Date 04102200 BS-499427
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26
SET, Ring (Standard) Used After Code Date 11063000 BS-590402
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26
SET, Ring (.020 Oversize) Used After Code Date 11063000 BS-590403
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26
SET, Ring (Standard) Used After Code Date 04031400 Used Before Code Date 07090400 BS-791098
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26
SET, Ring (.020 Oversize) Used After Code Date 04102100 Used Before Code Date 07090400 BS-791324
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26
RING SET (Standard) Used After Code Date 07090300 Used Before Code Date 09041700 BS-795431
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26
SET, Ring (.020 Oversize) Used After Code Date 07090300 Used Before Code Date 09041700 BS-795432
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26
PISTON ASSEMBLY (Standard) Used After Code Date 09041600 Used Before Code Date 11070100 BS-590404
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27
LOCK, Piston Pin Used After Code Date 09041600 BS-691588
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27
LOCK-PISTON PIN Used Before Code Date 09041700 BS-691866
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28
PIN. Piston (Standard) Used After Code Date 09041600 BS-298909
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28
PIN-PISTON/STD (Standard) Used Before Code Date 09041700 BS-499423
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29
PISTON ASSEMBLY (Standard) Used Before Code Date 09041700 BS-590406
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29
ROD, Connecting (Standard) Used After Code Date 09041600 BS-797306
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32
SCREW (Connecting Rod) BS-691664
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32A
SCREW (Connecting Rod) Used After Code Date 00042200 BS-695759
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33
VALVE-EXHAUST Used After Code Date 11063000 BS-590394
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33
VALVE-EXHAUST Used Before Code Date 11070100 BS-590394
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34
VALVE-INTAKE Used Before Code Date 11070100 BS-590393
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34
VALVE-INTAKE Used After Code Date 11063000 BS-590393
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35
SPRING, Valve (Intake) BS-691270
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36
SPRING, Valve (Exhaust) BS-691270
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40
RETAINER, Valve BS-692194
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43
SLINGER, Governor/Oil BS-691997
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45
TAPPET, Valve BS-690548
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46
CAMSHAFT BS-691449
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46A
CAMSHAFT (Counterclockwise) BS-691459
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50
MANIFOLD, Intake BS-794305
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51
GASKET, Intake BS-272199S
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54
SCREW (Intake Manifold) BS-691650
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83
SHAFT, Auxiliary Drive BS-691778
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101
PIN, Shaft BS-691623
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146
KEY, Woodruff BS-690979
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163
GASKET-AIR CLEANER (Air Cleaner) BS-795629
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287
SCREW (Dipstick Tube) BS-690940
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306
SHIELD, Cylinder BS-690450
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307
SCREW (Cylinder Shield) BS-690345
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337
PLUG, Spark (EMS) Used Before Code Date 11070100 BS-697451
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337
PLUG, Spark (Resistor) Used Before Code Date 11070100 BS-796112S
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337
PLUG, Spark Used After Code Date 11063000 BS-591868
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358
GASKET SET, Engine Used After Code Date 11063000 BS-590508
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358
GASKET SET, Engine Used Before Code Date 11070100 BS-590508
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374
WASHER (Camshaft) BS-691074
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383
WRENCH, Spark Plug BS-89838S
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523
DIPSTICK BS-499621
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524
SEAL-DIPSTICK TUBE (Dipstick Tube) BS-692296
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525
TUBE, Dipstick BS-495265
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584
COVER-BREA PASSAGE BS-697734
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585
GASKET-BREA PASSAGE BS-691879
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617
SEAL, O-Ring (Intake Manifold) BS-270344S
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635
BOOT, Spark PLug BS-66538S
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635A
SHIELD, SPARK PLUG (Screw On Style) BS-84013618
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635A
SHIELD, SPARK PLUG (Snap In Style) BS-84013618
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668
SPACER (Includes 2) BS-493823
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684
SCREW (Breather Passage Cover) BS-690345
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715
SCREW (Stop Shaft) BS-691147
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718
PIN, Locating BS-690959
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721
STOP, Shaft BS-690449
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741
GEAR, Timing (Use Without Woodruff Key) Used After Code Date 07093000 Used Before Code Date 08021800 BS-794388
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741
GEAR, Timing (Plastic) Used After Code Date 08021700 BS-797521
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741
GEAR, Timing (Metal) Used After Code Date 08021700 BS-797521
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741
GEAR-TIMING (Uses Woodruff Key) BS-691830
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741
GEAR, Timing (Use Without Woodruff Key) Used Before Code Date 07100100 BS-790345
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743
GEAR, Drive (Counterclockwise) BS-691772
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842
SEAL, O-Ring (Dipstick Tube) BS-691031
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847
DIPSTICK/TUBE ASSY BS-692047
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868
SEAL, Valve Used After Code Date 11063000 BS-590410
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868
SEAL, Valve Used Before Code Date 11070100 BS-697338
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869
SEAT, Valve (Intake) BS-691155
...
870
SEAT, Valve (Exhaust) BS-690380
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871
BUSHING, Valve Guide (Intake) Used Before Code Date 11070100 BS-63709
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871
BUSHING-VALVE GUIDE (Exhaust) Used Before Code Date 11070100 BS-262001
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871
BUSHING, Valve Guide Used After Code Date 11063000 BS-590409
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883
GASKET, Exhaust BS-691881
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1019
KIT, Label BS-494256
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1058
MANUAL, Operator's Used Before Code Date 11070100 BS-380567TRI
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1058
MANUAL, Operator's Used After Code Date 11063000 BS-380567TRI
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1095
GASKET SET, Valve Used Before Code Date 11070100 BS-498528
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1095
GASKET SET, Valve Used After Code Date 11063000 BS-590507
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1102
PILOT, Guide BS-691255
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1319
LABEL, Warning BS-794467
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1330
REP MAN-1 CYL L-HD BS-270962

Carburetor

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...
95
SCREW (Throttle Valve) BS-691636
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97
SHAFT-THROTTLE BS-493267
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104
PIN, Float Hinge BS-797622
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108
VALVE-CHOKE BS-691182
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109A
SHAFT, Choke BS-498593
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117
JET, Main (Standard) BS-494870
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117A
JET, Main (Standard) BS-498978
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118
JET, Main (High Altitude) BS-498977
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118A
JET, Main (High Altitude) BS-497315
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121
KIT, Carburetor Overhaul BS-498260
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125
CARBURETOR BS-799868
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125A
CARBURETOR BS-499059
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127
PLUG, Welch (Bowl Vent) BS-694468
...
130
VALVE, Throttle BS-691203
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133
FLOAT-CARBURETOR BS-398187
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134
KIT-NEEDLE/SEAT BS-398188
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137
GASKET, Float Bowl BS-796610
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137
GASKET-FLOAT BOWL (1/16) BS-693981
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163
GASKET-AIR CLEANER (Air Cleaner) BS-795629
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276
WASHER-SEALING BS-271716
...
365
SCREW (Carburetor) BS-691688
...
617
SEAL, O-Ring (Intake Manifold) BS-270344S
...
633
SEAL, Choke/Throttle Shaft (Throttle Shaft) BS-691321
...
633A
SEAL, Choke/Throttle Shaft (Choke Shaft) BS-693867
...
975
BOWL, Float BS-796611
...
977
KIT, Carburetor Overhaul BS-498260

Replacement Engine - US & Canada

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