BRIGGS
& STRATTON
4-CYCLE
ENGINE
MODEL NUMBER 123K02-0258-E1
KEY
PART
NO,
NO,
DESCRIPTION
KEY
PART
NO,
NO.
DESCRIPTION
26
499425
Ring Set-Piston (Standard)
443
692523
499426
Ring Set-Piston (.010" Oversize)
445
491588
499427
Ring Set-Piston (.020" Oversize)
455
691219
499428
Ring Set-Piston (.030" Oversize)
456
692299
27
691866
Lock-Piston Pin
459
281505
28
499423
Pin-Piston
505
231082
29
499424
Rod-Connecting
523
495264
32
691664
Screw (Connecting Rod)
524
692296
32A
695759
Screw (Connecting Rod)
525
495265
33
262651
Valve-Exhaust
529
691923
34
262652
Valve-Intake
562
92613
35
691270
Spring-Valve (intake)
564
698589
36
691270
Spring-Valve (Exhaust)
584
692342
37
694086
Guard-Flywheel
585
691879
40
692194
Retainer-Valve
592
690800
43
691997
Slinger-Governor/Oil
597
691696
45
690548
Tappet-Valve
60I
95162
46
69I 449
Camshaft
604
698588
48
498829
Short Block (Replacement
608
497680
Engine 1251<02-0253)
613
691340
50
497465
Manifold-Intake
615
690340
5I
272199
• Gasketqntake
616
698801
54
691650
Screw (Intake Manifold)
617
270344
55
691421
Housing-Rewiod Starter
62I
692310
58
692259
Rope-Starter (Cut to Length)
633
691321
60
281434
Grip-Starter Rope
635
66538
65
690837
Screw (Rewind Starter)
668
493823
78
69I 108
Screw (Flywheel Guard)
670
692294
81
691740
Lock-Muffler Screw
684
690345
95
69I 636
Screw (Throttle Valve)
689
691855
97
696565
Shaft-Throttle
718
690959
104
691242
O Pin-F_oat Hinge
74I
691830
117
498978
Jet-Main (Standard)
745
691648
118
497466
Jet-Main (High Altitude)
842
691031
121
498260
Kit-Carburetor Overhaul
847
692017
125
498170
Carburetor
85I
493880
127
694468
O Plug-Welch
868
697338
130
696564
Valve-Throttle
869
691155
133
398187
FIoat-Carburetor
870
690380
134
398188
OValve-Needle/Seat
871
262001
137
693981
O_Gasket-Fioat
BowI
63709
146
690979
Key-Timing
92I
698587
159
691753
Bracket-Air Cleaner Primer
922
692135
163
272653
,O:l:Gasket-Air Cleaner
923
695891
187
691050
Line-Fuel (Cut to Required Length)
957
397974
188
693399
Screw (Controt Bracket)
966
496I 16
190
690940
Screw (Fuel Tank)
968
692298
202
691829
Link-Mechanical Governor
969
691138
209
690319
Spring-Governor
970
691669
222
692467
Bracket-Control
972
495224
227
690783
ControI Lever-Governor
975
493640
276
271716
O_Seating Washer
976
694395
287
690940
Screw (Dipstick Tube)
977
498261
300
692038
Muffler
1019 494256
304
695892
Housing-Blower
1036 697456
305
691108
Serew(BlowerHcosing)
1059 692311
306
690450
Shield-Cylinder
1210 498144
307
690345
Screw (Cyiioder Shield)
1211 498144
332
690662
Nut (Flywheel)
333
802574
Armature-Magneto
334
69I 06I
Screw (Armature Magneto)
337
802592
Plug-Spark
356
692390
Wire-Stop
358
497316
Engine Gasket Set
363
19069
Fiywheel Pulter
365
692524
Screw (Carburetor)
383
89838
Wrench-Spark
Ptug
404
690272
Washer (Governor Crank)
425
690670
Screw (Air CIeaner Cover)
Screw (Air CIeaner Primer Base)
Filter-Air CIeaner Cartridge
Cup-Flywheel
P_ate-Pawl Friction
Pawi-Ratehet
Nut (Governor Control Lever)
Dipstick
• Seal-Dipstick Tube
Tube-Dipstick
Grommet
Bolt (Governor Control Lever)
Screw (Control Cover)
Cover-Breather Passage
• Gasket-Breather
Passage
Nut (Rewind Starter)
Screw (PawI Friction Plate)
Clamp-Hose
Cover-C_ntrol
Starter-Rewiod
Screw (Muffler)
Retainer-Governor
Shaft
Crank-Governor
•Q¢SeaI-O Ring (Intake Manifold)
Switch-Stop
O:l:SeaI-Throttle Shaft
Boot-Spark Plug
• Spacer (Includes 2)
Spacer-Fuel Tank
Screw (Breather Passage Cover)
Spring-Friction
Pin-Locating
Gear-Timing
Screw (Brake)
• SeaI-O Ring (DipstickTube)
Assembly- Dipstick/Tu be
Terminal-Spark PIug
Seal-Valve
Seat-Valve (Intake)
Seat-Valve (Exhaust)
Bushing-Guide
(Exhaust)
Bushing-Guide
(Intake)
Cover-Blower Housing
Spring-Brake
Brake
Cap-Fuel Tank
Base-Air Cleaner Primer
Cover-Air Cteaner
Screw (Blower Housing Cover)
Screw (Air CIeaner Primer Bracket)
Tank-Fuel
BowFF_oat
Primer-Carburetor
Set-Carburetor Gasket
Kit-Label
Label-Emissions
Kit-ScrewAt_asher
Assembly- Pulley/Spring (Putley)
Assembly- Pulley/Spring (Spring)
RPM Settings:
Low: 1900-2100;
High:3000-3200
included in Engine Gasket Set, Key No. 358
O
included in Carburetor Overhaut Kit, Key No. 121
included in Carburetor Gasket Set, Key No. 977
NOTE: All component dimensions given in U.S. inches
1 inch = 25,4 mm
43