BRIGGS
& STRATTON
4-CYCLE
ENGINE
MODEL NUMBER 128602-0551-E1
KEY
PART
NO.
NO.
DESCRIPTION
KEY
PART
NO.
NO.
DESCRIPTION
134
137
163
187
791766
188
691147
190
690940
192
694543
202
691303
209
691851
222
697614
227
691467
238
691300
259
691189
276
271716 O$
287
690940
300
697590
304
695976
305
691108
306
691232
307
690345
324
695161
332
690662
333
802574
334
691061
337
692051
356
692390
358
792384
363
19069
365
691129
383
19374s
404
690272
425
690244
443
690255
445
697029
456
692299
459
281505s
505
691251
523
499621
524
692296
•
525
495265
562
92613
584
697734
585
691879
•
592
690800
597
691696
601
791850
608
497680
613
691108
613A 691140
615
690340
616
698801
619
691108
621
692310
633
6913210$
635
66538s
398188
O Valve-Needle/Seat
693981 O:1: Gasket-Float
Bowl
691894•O:l:+Gasket-Air
Cleaner
Line-Fuel (Cut to Length)
Screw (Control Bracket)
Screw (Fuel Tank)
Bali-Rocker Arm
Link-Mechanical
Governor
Spring-Governor
Bracket-Control
Control Lever-Governor
Cap-Valve
Bracket-Casing
Clamp
Washer-Sealing
Screw (Dipstick Tube)
Muffler
Housing-Blower
Screw (Blower Housing)
Shield-Cylinder
Screw (Cylinder Shield)
Cup/Screen Assembly
Nut (Flywheel)
Armature-Magneto
Screw (Armature Magneto)
Plug-Spark
Wire-Stop
Gasket Set-Engine
Puller-Flywheel
Screw (Carburetor)
Wrench-Spark
Plug
Washer (Governor Crank)
Screw (Air Cleaner Cover)
Screw (Air Cleaner Base)
Filter-Air Cleaner Cartridge
Plate-Pawl Friction
PawI-Ratchet
Nut (Gov. Control Lever)
Dipstick
Seal-Dipstick Tube
Tube-Dipstick
Bolt (Gov. Control Lever)
Cover-Breather
Passage
Gasket-Breather
Passage
Nut (Rewind Starter)
Screw (Pawl Friction Plate)
Clamp-Hose
Starter-Rewind
Screw (Muffler)
Screw (Muffler)
Retainer-Governor
Shaft
C rank-Governor
Screw (Cylinder Head Plate)
Switch-Stop
Seal-Throttle
Shaft
Boot-Spark Plug
670
692294
684
690345
689
691855
718
690959
741
790345
745
691648
830
694544
842
691031
847
692047
851
493880s
868
692044
883
691893
886
696268
914
691108
914A 691127
921
691465
922
692135
923
695891
957
692046
966
690243
967
273356
968
691342
969
691138
972
699374
975
493640
976
694395
977
792385
993
694088
1022 691890
1023 499624
1026 692045
1029 691230
1034 691343
1036 792166
1058 275054
1059 692311
1095 792386
1210 498144
1211 498144
1329
1330
Spacer-Fuel Tank
Screw (Breather Cover)
Spring-Friction
Pin-Locating
Gear-Timing
Screw (Brake)
Stud (Rocker Arm)
• SeaI-O Ring (Dipstick Tube)
Assembly-Dipstick/Tube
Terminal-Spark
Plug
•+ Seal-Valve
•+ Gasket-Exhaust
Gasket Kit -
Cylinder Head / Plate
Screw (Rocker Cover)
Screw (Rocker Cover)
Cover-Blower
Housing
Spring-Brake
Brake
Cap-Fuel Tank
Base-Air Cleaner Primer
Filter-Pre Cleaner
Cover-Air Cleaner
Screw (Blower Cover)
Tank-Fuel
Bowl-Float
Primer-Carburetor
Set-Carburetor
Gasket
•+ Gasket-Cylinder
Head Plate
•+ Gasket-Rocker
Cover
Cover-Rocker
Arm
Rod-Push
Arm-Rocker
Guide-Push
Rod
Label-Emissions
Owner's Manual
Kit-Screw/Washer
Set-Valve Gasket
Pulley/Spring Assy. (Pulley)
Pulley/Spring Assy. (Spring)
121602-0625
Replacement
Engine
272147
Repair Manual
398067
Spark Arrester
(available accessory)
• Included in Engine Gasket Set, Key No. 358
O Included in Carb. Overhaul Kit, Key No. 121
:1: Included in Carb. Gasket Set, Key No. 977
+ Included in Valve Gasket Set, Key No. 1095
NOTE: All component dimensions
given in U.S.
inches.
1 inch = 25.4 mm
45