ENGINE,
Briggs
& Stratton,
121R02 - Parts
List
Item
Part #
Description
Item
1
798947
Cylinder Assembly
332
3
299819s
Seal-Oil (Magneto Side)
333
4
493279
Sump-Engine
334
5
796471
Head-Cylinder
334A
7
796475
Gasket-Cylinder
Head
337
11
796478
Tube-Breather
347
12
692232
Gasket-Crankcase
356
13
796451
Screw (Cylinder Head)
356A
15
691680
Plug-Oil Drain
358
16
799337
Crankshaft
385
20
399781s
Seal-Oil (PTO Side)
404
22
691092
Screw (Crankcase CoveflSump)
455
23
796621
Flywheel
505
24
222698s
Key-Rywheei
523
25
590404
Piston Assembly (Standard)
524
x
590405
Piston Assembly (.020" Oversize)
525
26
590402
Ring Set (Standard)
534
x
590403
Ring Set (.020" Oversize)
535
27
691588
Lock-Piston
Pin
536
28
298909
Pin-Piston
562
29
796470
Rod-Connecting
564
32
691664
Screw (Connecting Rod) (1/4-20xl .09)
564A
32A
695759
Screw (Connecting Rod) (1/4-20xl .5)
592
33
499642
Valve-Exhaust
601
34
795443
Valve-Intake
604
35
691304
Spring-Valve
(Intake)
608
38
691304
Spring-Valve
(Exhaust)
613
37
590921
Guard-Flywheel
(Carburetor Side_
615
37A
799155
Guard-Flywheel
(Muffler Side,
616
40
692194
Retainer-Valve
621
43
796651
Slinger-GovernodOil
623
45
690977
Tappet-Valve
633
46
694039
Camshaft
633A
51
796596
Gasket-intake
635
51A
592159
Gasketqntake
870
51B
590398
Gasketqntake
718
58
791382
Rope-Starter
(Cut to Required Length)
741
60
281434s
Grip-Starter Rope
830
78
793480
Screw (Flywheel Guard_
832
81
691740
Lock-Muffler
Screw
836
89
692348
Plug-Oil (Cylinder)
842
98
797156
Kitqdle Speed
847
104
797622
Pin-Float Hinge
851
121
592172
Kit-Carburetor
Overhaul
868
122
796595
Spacer-Carburetor
883
125
799027
Carburetor
883A
127
694468
Plug-Welch
886
130
797630
Valve-Throttle
914
133
797626
Float-Carburetor
925
134
799177
Kit-Needle/Seat
950
137
797625
Gasket-Float
Bowl
957
163
691894
Gasket-Air Cleaner
972
187
791766
Line-Fuel (Cut to Required Length)
975
190
793479
Screw (Fuel Tank)
993
192
796631
Adjuster-Rocker
Arm
1005
202
796631
Link-Mechanical
Governor
1022
209
793604
Spring-Governor
(Purple)
1023
216
798944
Link-Choke
1028
216A
796485
Link-Choke
1029
217
799179
Spring-Choke
Return
1034
222
796482
Bracket-Control
1058
227
796487
Lever-Governor
Control
1059
238
691300
Cap-Valve
1095
276
797632
Washer-Sealing
1263
287
793479
Screw (Dipstick Tube)
1264
291
798938
Thermostat
1375
300
798940
Muffler
1376
304
796692
Housing-Blower
Part #
Description
690662
Nut (Flywheel)
796500
Armature-Magneto
793454
Screw (Magneto Armature) (MSx27mm)
796537
Stud (Magneto Armature)
692051
Plug-Spark
795333
Switch-Rocker
798942
Wire-Stop
798943
Wire-Stop
592173
Gasket Set-Engine
699484
Screw (Carburetor)
690272
Washer (Governor Crank)
796615
Cup-Flywheel
793515
Nut (Governor Control Lever)
796503
Dipstick
692296
Seal-Dipstick
Tube
796502
Tube-Dipstick
798294
Screw (Air Cleaner)
797301
Filter-Air Cleaner Foam
799025
Cleaner-Air
793514
Bolt (Governor Control Lever)
690351
Screw (Control Cover) (#10-32x,50)
799026
Screw (Control Cover) (#8-18x,90)
793481
Nut (Rewind Starter)
791850
Clamp-Hose
(Green)
799024
Cover-Control
796497
Starter-Rewind
796498
Screw (Muffler)
690340
Retainer-Governor
Shaft
798327
Crank-Governor
692310
Switch-Stop
(Control Bracket)
793628
SeaI-O Ring (Carburetor Spacer)
797629
Seal-Choke/Throttle
Shaft (Throttle Shaft)
797629
Seal-Choke!Throttle
Shaft (Choke Shaft)
66538s
Boot-Spark Plug
793485
Spacer-Fuel Tank
690959
Pin-Locating
797521
Gear-Timing
796472
Stud-Rocker
Arm
798951
Guard-Muffler
793500
Screw (Muffler Guard)
691031
SeaI-O Ring (Dipstick Tube)
796501
Dipstick/Tube
Assembly
493880s
Terminal-Spark
Plug
795440
Seal-Valve
793497
Gasket-Exhaust
796677
Gasket-Exhaust
796474
Gasket Kit-Cylinder Head Plate
794451
Screw (Rocker Cover)
796531
Cover-Linkage
799178
Screw-Float
Bowl (Includes Main Jet)
799585
Cap-Fuel Tank
590949
Tank-Fuel
797631
Bowl-Float
796473
Gasket-Cylinder
Head Plate
796614
Fan-Flywheel
796480
Gasket-Rocker
Cover
796479
Cover-Rocker
796481
Rod-Push
691230
Arm-Rocker
691343
Guide-Push Rod
278415
Operator's
Manual
793471
Kit-Screw/Washer
(Fuel Tank)
592174
Gasket Set-Valve
697124
Reed-Breather
793453
Screw (Breather Reed)
796476
Cover-Breather/Reed
794451
Screw (Breather/Reed
Cover)
31