Parts ManualParts ManualParts ManualParts Manual
Mfg. No: 121Q02-0125-F1
Copyright © Briggs and Stratton. All Rights reserved
28-Nov-2018
Table Of ContentsTable Of ContentsTable Of ContentsTable Of Contents
Model ComponentsModel ComponentsModel ComponentsModel Components PagePagePagePage
Air Cleaner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Alternator, Electric Starter, Ignition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Blower Housing, Cover/Guards, Flywheel, Rewind Starter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Camshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning Label. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Carburetor, Carburetor Overhaul Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Controls, Governor Spring, Thermostat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Cylinder Head, Gasket Set-Valves, Valves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Exhaust System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Fuel Supply, Lubrication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Gasket Set-Engine, Sump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Replacement Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
3 28-Nov-2018
Air CleanerAir CleanerAir CleanerAir Cleaner
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
4 28-Nov-2018
Air CleanerAir CleanerAir CleanerAir Cleaner
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
11 796478 Tube-Breather
163 691894 Gasket-Air Cleaner
265 691024 CLAMP, Casing
267 691044 SCREW
-(Casing Clamp)
445 795066 Filter-A/C Cartridge
875 796492 Base-Air Cleaner
967 796254 Filter-Pre Cleaner
968 796493 Cover-Air Cleaner
971 690349 Screw
-(Air Cleaner Base to Carburetor/Throttle Body)
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
5 28-Nov-2018
Alternator, Electric Starter, IgnitionAlternator, Electric Starter, IgnitionAlternator, Electric Starter, IgnitionAlternator, Electric Starter, Ignition
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
6 28-Nov-2018
Alternator, Electric Starter, IgnitionAlternator, Electric Starter, IgnitionAlternator, Electric Starter, IgnitionAlternator, Electric Starter, Ignition
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
333 796499 Armature-Magneto
334 793454 Screw
-(Magneto Armature)
337 692051 Plug-Spark
-(Resistor)
356 692390 Wire-Stop
383 19576S WRENCH, Spark Plug
621 692310 Switch-Stop
635 66538S BOOT, Spark Plug
697 691127 SCREW
-(Starter Motor) (Drive Cap)
742 93941 RETAINER, E Ring
851 493880S TERMINAL, Spark Plug
853A 695897 Adapter-Wire
910 796498 Stud
-(Alternator)
1119 794100 Screw
-(Alternator)
1212 796537 Stud
-(Blower Housing)
1212B 797002 Stud
-(Blower Housing) (Used With Alternator Only)
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
7 28-Nov-2018
Blower Housing, Cover/Guards, Flywheel, Rewind StarterBlower Housing, Cover/Guards, Flywheel, Rewind StarterBlower Housing, Cover/Guards, Flywheel, Rewind StarterBlower Housing, Cover/Guards, Flywheel, Rewind Starter
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
8 28-Nov-2018
Blower Housing, Cover/Guards, Flywheel, Rewind StarterBlower Housing, Cover/Guards, Flywheel, Rewind StarterBlower Housing, Cover/Guards, Flywheel, Rewind StarterBlower Housing, Cover/Guards, Flywheel, Rewind Starter
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
23 590420 Flywheel
-(Aluminum)
37 590921 Guard-Flywheel
37B 799155 Guard-Flywheel
58 697316 Rope-Starter
-(Cut To Required Length)
60 281434S Grip-Starter Rope
60A 799716 Grip-Starter Rope
-(Ergonomic Grip)
75 691736 Washer
-(Flywheel)
78 793480 SCREW
-(Flywheel Guard)
304 796692 Housing-Blower
-(Rewind Start)
332 690662 Nut
-(Flywheel)
363 19069 Puller-Flywheel
455 796615 CUP, Flywheel
608 796497 Starter-Rewind
668A 797383 Spacer
925 796531 Cover-Linkage
1005 796614 Fan-Flywheel
1212 796537 Stud
-(Blower Housing)
1212A 793479 Stud
-(Blower Housing)
1212B 797002 Stud
-(Blower Housing) (Used With Alternator Only)
1335 793481 Nut
-(Blower Housing)
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
9 28-Nov-2018
Camshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning LabelCamshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning LabelCamshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning LabelCamshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning Label
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
10 28-Nov-2018
Camshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning LabelCamshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning LabelCamshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning LabelCamshaft, Crankshaft, Cylinder, Piston/Rings/Connecting Rod, Warning Label
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
1 798947 Cylinder Assembly
3 299819S SEAL, Oil
-(Magneto Side)
16 796468 CRANKSHAFT
24 222698S KEY, Flywheel
25 591284 Piston Assembly
-(Standard)
25 591285 Piston Assembly
-(.020" Oversize)
26 591286 Ring Set
-(Standard)
-Used After Code Date 11063000
26 591287 Ring Set
-(.020" Oversize)
-Used After Code Date 11063000
26 590405 Piston Assembly
-(.020" Oversize)
-Used Before Code Date 11070100
26 590404 Ring Set
-(Standard)
-Used Before Code Date 11070100
27 691588 Lock-Piston Pin
28 298909 Pin-Piston
29 796470 Rod-Connecting
32 691664 Screw
-(Connecting Rod)
32A 695759 Screw
-(Connecting Rod)
43 796650 Slinger-Governor/Oil
46 694039 Camshaft
404 690272 WASHER
-(Governor Crank)
598 592587 Shim-End Play
-(Crankshaft or Camshaft Bearing)
615 690340 RETAINER, Governor Shaft
616 798327 Crank-Governor
718 690959 PIN, Locating
741 797521 Gear-Timing
1036 ----- Label-Emissions
-(Available From A Briggs & Stratton Authorized Dealer)
1263 697124 REED, Breather
1264 793453 SCREW
-(Breather Reed)
1319 794467 LABEL, Warning
1319A 797669 LABEL, Warning
1330 279000 Repair Manual
1375 796476 Cover-Breather Reed
1376 794451 Screw
-(Breather Reed Cover)
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
11 28-Nov-2018
Carburetor, Carburetor Overhaul KitCarburetor, Carburetor Overhaul KitCarburetor, Carburetor Overhaul KitCarburetor, Carburetor Overhaul Kit
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
12 28-Nov-2018
Carburetor, Carburetor Overhaul KitCarburetor, Carburetor Overhaul KitCarburetor, Carburetor Overhaul KitCarburetor, Carburetor Overhaul Kit
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
51 796596 Gasket-Intake
104 797622 Pin-Float Hinge
117 697355 Jet-Main
-(Standard)
-Used Before Code Date 11070100
117 798661 Jet-Main
-(Standard)
-Used After Code Date 11063000
118 494870 Jet-Main
-(High Altitude)
-Used Before Code Date 11070100
118 799605 Jet-Main
-(High Altitude)
-Used After Code Date 11063000
121 592172 Kit-Carburetor Overhaul
-Used After Code Date 11063000
121 796612 Kit-Carburetor Overhaul
-Used Before Code Date 11070100
122 796595 Spacer-Carburetor
125 796608 Carburetor
-Used Before Code Date 11070100
125 591137 Carburetor
-Used After Code Date 11063000
133 398187 Float-Carburetor
-Used Before Code Date 11070100
133 797626 Float-Carburetor
-Used After Code Date 11063000
134 398188 Kit-Needle/Seat
-Used Before Code Date 11070100
134 799177 Kit-Needle/Seat
-Used After Code Date 11063000
137 797625 Gasket-Float Bowl
-Used After Code Date 11063000
137 796610 Gasket-Float Bowl
-Used Before Code Date 11070100
163 691894 Gasket-Air Cleaner
202 796657 Link-Mechanical Governor
216 796485 Link-Choke
-Used Before Code Date 11070100
216A 798944 Link-Choke
-Used After Code Date 11063000
217 798900 Spring-Choke Return
-Used Before Code Date 11070100
217 799179 Spring-Choke Return
-Used After Code Date 11063000
276 271716 Washer-Sealing
-Used Before Code Date 11070100
276 797632 Washer-Sealing
-Used After Code Date 11063000
365 793458 Screw
-(Carburetor/Throttle Body)
623 793628 Seal-O Ring
-(Carburetor Spacer)
975 796611 Bowl-Float
-Used Before Code Date 11070100
975 797631 Bowl-Float
-Used After Code Date 11063000
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
13 28-Nov-2018
Controls, Governor Spring, ThermostatControls, Governor Spring, ThermostatControls, Governor Spring, ThermostatControls, Governor Spring, Thermostat
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
14 28-Nov-2018
Controls, Governor Spring, ThermostatControls, Governor Spring, ThermostatControls, Governor Spring, ThermostatControls, Governor Spring, Thermostat
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
202 796657 Link-Mechanical Governor
209 796484 SPRING, Governor
216 796485 Link-Choke
-Used Before Code Date 11070100
216A 798944 Link-Choke
-Used After Code Date 11063000
222 796482 Bracket-Control
-(Manual Friction, Remote, & Fixed Speed Control)
227 796487 Lever-Governor Control
236 691826 Link-Lockout
265 691024 CLAMP, Casing
267 691044 SCREW
-(Casing Clamp)
268 691025 CASING, Control Wire
-(Cut To Required Length)
269 691026 WIRE, Control
-(Cut To Required Length)
270 691027 NUT
-(Control Wire Casing)
271 691028 Lever-Control
291A 798938 Thermostat
505 793515 NUT
-(Governor Control Lever)
562 793514 Bolt
-(Governor Control Lever)
621 692310 Switch-Stop
745 793491 Screw
-(Brake)
843 691884 Sleeve-Lever
883 793497 Gasket-Exhaust
883A 796677 Gasket-Exhaust
922 692135 Spring-Brake
923 796635 Brake
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
15 28-Nov-2018
Cylinder Head, Gasket Set-Valves, ValvesCylinder Head, Gasket Set-Valves, ValvesCylinder Head, Gasket Set-Valves, ValvesCylinder Head, Gasket Set-Valves, Valves
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
16 28-Nov-2018
Cylinder Head, Gasket Set-Valves, ValvesCylinder Head, Gasket Set-Valves, ValvesCylinder Head, Gasket Set-Valves, ValvesCylinder Head, Gasket Set-Valves, Valves
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
5 796471 Head-Cylinder
7 796475 Gasket-Cylinder Head
13 793451 Screw
-(Cylinder Head)
33 499642 Valve-Exhaust
34 795443 Valve-Intake
35 691304 Spring-Valve
-(Intake)
36 691304 Spring-Valve
-(Exhaust)
40 692194 Retainer-Valve
45 690977 TAPPET, Valve
51 796596 Gasket-Intake
163 691894 Gasket-Air Cleaner
192 796631 Adjuster-Rocker Arm
238 691300 Cap-Valve
337 692051 Plug-Spark
-(Resistor)
383 19576S WRENCH, Spark Plug
623 793628 Seal-O Ring
-(Carburetor Spacer)
635 66538S BOOT, Spark Plug
718 690959 PIN, Locating
830 796472 Stud-Rocker Arm
868 795440 Seal-Valve
883 793497 Gasket-Exhaust
883A 796677 Gasket-Exhaust
886 799492 Gasket Kit-Cylinder Head/Plate
914 794451 Screw
-(Rocker Cover)
993 796473 Gasket-Cylinder Head Plate
1022 796480 Gasket-Rocker Cover
1023 796479 Cover-Rocker
1026 796481 Rod-Push
1029 691230 Arm-Rocker
1034 691343 Guide-Push Rod
1095 592174 Gasket Set-Valve
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
17 28-Nov-2018
Exhaust SystemExhaust SystemExhaust SystemExhaust System
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
18 28-Nov-2018
Exhaust SystemExhaust SystemExhaust SystemExhaust System
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
81 691740 Lock-Muffler Screw
300A 798940 Muffler
613 796496 Screw
-(Muffler)
676 692010 Deflector-Muffler
676A 799187 Deflector-Muffler
677 690661 SCREW
-(Muffler Deflector)
832A 593411 Guard-Muffler
836 793500 Screw
-(Muffler Guard)
837 797735 Spacer-Muffler
883 793497 Gasket-Exhaust
883A 796677 Gasket-Exhaust
994 690813 Arrestor-Spark
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
19 28-Nov-2018
Fuel Supply, LubricationFuel Supply, LubricationFuel Supply, LubricationFuel Supply, Lubrication
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
20 28-Nov-2018
Fuel Supply, LubricationFuel Supply, LubricationFuel Supply, LubricationFuel Supply, Lubrication
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
187 791766 LINE, Fuel
-(Cut To Required Length)
187A 796491 Line-Fuel
-(Formed Hose)
523 796503 DIPSTICK
524 692296 Seal-Dipstick Tube
525 796502 Tube-Dipstick
601 791850 CLAMP, Hose
670 793485 Spacer-Fuel Tank
842 691031 SEAL, O-Ring
-(Dipstick Tube)
847 796501 Dipstick/Tube Assembly
957 799585 Cap-Fuel Tank
957C 796577 Cap-Fuel Tank
958 698183 VALVE, Fuel Shut Off
972 590949 Tank-Fuel
1059 793471 Kit-Screw/Washer
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
21 28-Nov-2018
Gasket Set-Engine, SumpGasket Set-Engine, SumpGasket Set-Engine, SumpGasket Set-Engine, Sump
Mfg. No: 121Q02-0125-F1
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
22 28-Nov-2018
Gasket Set-Engine, SumpGasket Set-Engine, SumpGasket Set-Engine, SumpGasket Set-Engine, Sump
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
3 299819S SEAL, Oil
-(Magneto Side)
4 493279 Sump, Engine
7 796475 Gasket-Cylinder Head
12 692232 Gasket-Crankcase
15 691680 PLUG, Oil Drain
-(Square Socket)
17 798538 Bearing-Ball
20 399781S Seal-Oil
-(PTO Side)
22 691092 Screw
-(Crankcase Cover/Sump)
51 796596 Gasket-Intake
163 691894 Gasket-Air Cleaner
358 592173 Gasket Set-Engine
524 692296 Seal-Dipstick Tube
623 793628 Seal-O Ring
-(Carburetor Spacer)
718 690959 PIN, Locating
737 692511 Screw
-(Oil Filter Adapter)
750 691147 Screw
-(Oil Pump Cover)
842 691031 SEAL, O-Ring
-(Dipstick Tube)
868 795440 Seal-Valve
883 793497 Gasket-Exhaust
883A 796677 Gasket-Exhaust
943 692514 Seal-O Ring
-(Oil Pump Cover)
965 692507 Cover-Oil Pump
988 692515 Gasket-Oil Adapter
993 796473 Gasket-Cylinder Head Plate
1022 796480 Gasket-Rocker Cover
1024 692508 Pump-Oil
1027 795990 Filter-Oil
1028 796522 Adapter-Oil Filter
1055 796524 Tube-Oil Pump
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
23 28-Nov-2018
Replacement EngineReplacement EngineReplacement EngineReplacement Engine
REF NOREF NOREF NOREF NO PART NOPART NOPART NOPART NO QTYQTYQTYQTY DESCRIPTIONDESCRIPTIONDESCRIPTIONDESCRIPTION
121Q022025 1 Replacement Engine
798773 1 Replacement Short Block
698183 1 VALVE, Fuel Shut Off
-Add Part
----- Top No-Load Speed: 3300
-Trim: ALL
----- Service Note: Transfer Muffler and/or Spark Arrester Assembly from the original
engine if suitable for additional service or add new parts as required
Not For
Reproduction
Copyright © Briggs and Stratton. All Rights reserved
24 28-Nov-2018
Copyright © Briggs and Stratton. All Rights reserved
28-Nov-2018
