ENGINE, Briggs & Stratton, 121P02 – Parts List
Item
Part #
Description
1
595286
Cylinder Assembly
3
299819s Seal-Oil (Magneto Side)
4
493279
Sump-Engine
5
796471
Head-Cylinder
7
796475
Gasket-Cylinder Head
7A
799275
Gasket-Cylinder Head (Fire Ring)
11
595283
Tube-Breather
12
692232
Gasket-Crankcase
13
793451
Screw (Cylinder Head)
15
691680
Plug-Oil Drain
16
799337
Crankshaft
20
399781s Seal-Oil (PTO Side)
22
691092
Screw (Crankcase Cover/Sump) (1/4-20x1.5)
23
595288
Flywheel
24
222698s Key-Flywheel (Aluminum)
25
590404
Piston Assembly (Standard)
x
590405
Piston Assembly (.020" Oversize)
26
590402
Ring Set (Standard)
x
590403
Ring Set (.020" Oversize)
27
691588
Lock-Piston Pin
28
298909
Pin-Piston
29
796470
Rod-Connecting
32
691664
Screw (Connecting Rod) (1/4-20x1.09)
32A
695759
Screw (Connecting Rod) (1/4-20x1.5)
33
499642
Valve-Exhaust
34
795443
Valve-Intake
35
691304
Spring-Valve (Intake)
36
691304
Spring-Valve (Exhaust)
37
595290
Guard-Flywheel
40
692194
Retainer-Valve
43
593913
Slinger-Governor/Oil
45
690977
Tappet-Valve
46
694039
Camshaft
51
796596
Gasket-Intake
51A
592159
Gasket-Intake
58
591108
Rope-Starter
60
281434s Grip-Starter Rope
75
691736
Washer (Flywheel)
78
793480
Screw (Flywheel Guard) (M5x14mm)
81
691740
Lock-Muffler Screw
89
692348
Plug (Cylinder) (Before Date Code: 16080100).
98
797156
Kit-Idle Speed
104
797622
Pin-Float Hinge
117
798660
Jet-Main
121
592172
Kit-Carburetor Overhaul
122
595285
Spacer-Carburetor
125
799447
Carburetor
127
694468
Plug-Welch (D = 9.51mm)
127A 797633
Plug-Welch (D = 7.95mm)
130
797630
Valve-Throttle
133
797626
Float-Carburetor
134
799177
Kit-Needle/Seat
137
797625
Gasket-Float Bowl
163
691894
Gasket-Air Cleaner
187
791766
Line-Fuel (Cut to Required Length)
192
796631
Adjuster-Rocker Arm
202
595282
Link-Mechanical Governor
209
799507
Spring-Governor (Yellow)
211
799508
Spring-Governed Idle (Green)
216
595299
Link-Choke
217
799179
Spring-Choke Return
222
796482
Bracket-Control
227
595284
Lever-Governor Control
238
691300
Cap-Valve
Item
Part #
Description
276
797632
Washer-Sealing
291
798938
Thermostat
300
798940
Muffler
305
590586
Screw (Blower Housing) (M5x29.8mm)
332
690662
Nut (Flywheel)
333
595291
Armature-Magneto
334
793454
Screw (Magneto Armature)
337
594264
Plug-Spark
347
592694
Switch-Rocker
356
798942
Wire-Stop
356A 798943
Wire-Stop
358
592173
Gasket Set-Engine
365
699484
Screw (Carburetor) (M6x35mm)
404
690272
Washer (Governor Crank)
455
593960
Cup-Flywheel
505
793515
Nut (Governor Control Lever)
523
796503
Dipstick
524
691876
Seal- Dipstick Tube
535
595297
Filter-Air Cleaner Foam (Dry)
562
793514
Bolt (Governor Control Lever)
598
592587
Shim-End Play (Crankshaft)
601
791850
Clamp-Hose (Green)
613
796496
Screw (Muffler) (M6x87.7mm)
615
690340
Retainer-Governor Shaft
616
798327
Crank-Governor
623
793628
Seal-O Ring (Carburetor Spacer)
633
797929
Seal-Choke/Throttle Shaft (Throttle Shaft)
633A 797929
Seal-Choke/Throttle Shaft (Choke Shaft)
635
692076
Boot-Spark Plug
668
590546
Spacer
718
690959
Pin-Locating
741
797521
Gear-Timing
770
595292
Kit-Rewind/Blower Housing
830
796472
Stud-Rocker Arm
832
593411
Guard-Muffler
836
793500
Screw (Muffler Guard) (M5x12.3mm)
842
691031
Seal-O Ring (Dipstick) (Blue)
847
596092
Dipstick/Tube Assembly
850
100106
Sealant-Liquid
868
795440
Seal-Valve
875
595295
Base-Air Cleaner
883
793497
Gasket-Exhaust
883A 796677
Gasket-Exhaust
886
799492
Gasket Kit-Cylinder/Plate
914
794451
Screw (Rocker Cover) (Included in Rocker
914A 794451
Screw (Rocker Cover)
957
594061
Cap-Fuel Tank
968
595294
Cover-Air Cleaner
971
595296
Screw (Air Cleaner Base) (#10-32x1.0)
972
594112
Tank-Fuel
975
797631
Bowl-Fuel
993
796473
Gasket-Cylinder Head Plate
1005 595289
Fan-Flywheel
1011 595293
Tube-Vent
1022 796480
Gasket-Rocker Cover
1023 796479
Cover-Rocker
1026 796481
Rod-Push (Intake and Exhaust)
1029 691230
Arm-Rocker
1034 691343
Guide-Push Rod
1095 592174
Gasket Set-Valve
1263 697124
Reed -Breather
1264 793453
Screw (Breather Reed)
1430 799494
Gasket-Breather/Reed
29
Cover)