Briggs & Stratton 126L00 Series Setup guide

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All rights reserved. No part of this material may be reproduced or transmitted,
in any form or by any means, electronic or mechanical, including photocopying,
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PRINTED IN U.S.A.
FORM MS−3974−05/20/2008
REPLACES FORM MS−3974−03/20/2007
FILE IN SECT. 2 OF SERVICE MANUAL
126L00
Illustrated Parts List
Model Series
126L00
TYPE NUMBERS
0010 through 1100.
TABLE OF CONTENTS
Air Cleaner 4. . . . . . . . . . . . . . . . . . . . . . . . .
Alternator 6. . . . . . . . . . . . . . . . . . . . . . . . . .
Blower Housing/Shrouds 5. . . . . . . . . . . .
Camshaft 2. . . . . . . . . . . . . . . . . . . . . . . . . .
Carburetor 3. . . . . . . . . . . . . . . . . . . . . . . . .
Controls 4. . . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft 2. . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder 2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Electric Starter 6. . . . . . . . . . . . . . . . . . . . .
Electrical 6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Sump 2. . . . . . . . . . . . . . . . . . . . . . .
Exhaust System 4. . . . . . . . . . . . . . . . . . . .
Flywheel 6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Flywheel Brake 4. . . . . . . . . . . . . . . . . . . . .
Fuel Supply 3. . . . . . . . . . . . . . . . . . . . . . . .
Governor Spring 4. . . . . . . . . . . . . . . . . . . .
Ignition 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Kits/Gaskets 2 & 3. . . . . . . . . . . . . . . . . . . . . . .
Lubrication 2. . . . . . . . . . . . . . . . . . . . . . . .
Piston Group 2. . . . . . . . . . . . . . . . . . . . . . .
Rewind Starter 5. . . . . . . . . . . . . . . . . . . . .
Valves 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−2Assemblies include all parts shown in frames. 05/20/2008
2
10
3
128
9
718
307
306
383
635
337
13 5
7
33
36
40
22 20
15
12
4
847
523
287
524
525
842
9
883
1095 VALVE GASKET SET
7
45
34
35
40 45
12
9
7
3
358 ENGINE GASKET SET
883
842
617
524
163
20
585
668
32
32A
27
26
27
25
29
28
24
146
741
16
43
46
870
869
871
684
585
584
868
11
1330 REPAIR MANUAL
1058 OPERATOR’S MANUAL
1319 WARNING LABEL
REQUIRED when replacing parts
with warning labels affixed.
51A
50A
54
51A
306A

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−3Assemblies include all parts shown in frames. 05/20/2008
3
670
190
972C
1059
134
121 CARBURETOR OVERHAUL KIT
977 CARBURETOR GASKET SET
163
137 276
104
127
137
163 633
617
633A
276
617
633
633A
240
187B
601
601
957C
339
AUTOCHOKE SYSTEM
97
975
133
134
617
231
130
633
163
276
137
104
276
108A
633A
125B 109B
127
117B
276
118B
365
187D
601
240
97
975
133
134
617
95
130
633
163
276
137
104
365
276
276
CHOKE SYSTEM
108
692
633A
125A
109A
127
118A
117A
118
97
975
133
134
125
PRIMER SYSTEM
617
95
130
633
127
163
276
137
104
365
276
276 117

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−4Assemblies include all parts shown in frames. 05/20/2008
4
613
81
883
443A
445A
967A
968B
425A
300
832
836
616
404
615
505
562
202
188
843A
265
267
270
271
268
227
269
976
163
529
966C
209B
1387
1388
1386
883
291
676C
677
922A
923A
621
922 745
236
923
1160
935
621
222
668
843
222D
668
222C
621
668
222E
668
677
676
346
994

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−5Assemblies include all parts shown in frames. 05/20/2008
5
930
305
304
78
37
1036 EMISSIONS LABEL
60
58
592
65
597
456
689
459
1210
1211
55
608
564C
604E
921V
969A
703
949
563
997

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−6Assemblies include all parts shown in frames. 05/20/2008
6
851
334
333
356B
497
347
627
363
23A
455
332
1005
356
578
853
697
783A
651
513
785
784
783
937
742
510
309A
497
627A
789B
910
474
1119

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−7Assemblies include all parts shown in frames. 05/20/2008
7
1 697322 Cylinder Assembly
2 399269 Kit−Bushing/Seal
(Magneto Side)
3K299819S Seal−Oil
(Magneto Side)
4 493279 Sump−Engine
5 691160 Head−Cylinder
7K∅692249 Gasket−Cylinder Head
8 695250 Breather Assembly
9K∅696125 Gasket−Breather
10 691125 Screw
(Breather Assembly)
11 691781 Tube−Breather
12 K692232 Gasket−Crankcase
13 690912 Screw
(Cylinder Head)
15 691680 Plug−Oil Drain
(Square Socket)
16 691455 Crankshaft
Used on Type No(s).
0531.
−−−−−−− Note −−−−−
691450 Crankshaft
Used on Type No(s).
0113, 0114, 0115,
0558, 0625, 0662,
0675, 0677, 0678,
1080, 1082, 1083,
1084.
691451 Crankshaft
Used on Type No(s).
0010, 0615, 1100.
696009 Crankshaft
Used on Type No(s).
0213.
694849 Crankshaft
Used on Type No(s).
0111, 0117, 0119.
20 K399781S Seal−Oil
(PTO Side)
22 691092 Screw
(Crankcase Cover/
Sump)
23A 691992 Flywheel
Used on Type No(s).
0010, 0111, 0117,
0119, 0531, 1100.
−−−−−−− Note −−−−−
691987 Flywheel
Used on Type No(s).
0113, 0114, 0115,
0213, 0558, 0615,
0625, 0662, 0675,
0677, 0678, 1080,
1082, 1083, 1084.
24 222698S Key−Flywheel
25 795429 Piston Assembly
(Standard)
(Used After Code Date
07090300).
−−−−−−− Note −−−−−
791097 Piston
Assembly
(Standard)
(Used Before Code
Date 07090400).
795430 Piston
Assembly
(.020” Oversize)
(Used After Code Date
07090300).
791326 Piston
Assembly
(.020” Oversize)
(Used Before Code
Date 07090400).
26 795431 Ring Set
(Standard)
(Used After Code Date
07090300).
−−−−−−− Note −−−−−
791098 Ring Set
(Standard)
(Used Before Code
Date 07090400).
795432 Ring Set
(.020” Oversize)
(Used After Code Date
07090300).
791324 Ring Set
(.020” Oversize)
(Used Before Code
Date 07090400).
27 691866 Lock−Piston Pin
28 499423 Pin−Piston
(Standard)
29 499424 Rod−Connecting
(Standard)
32 691664 Screw
(Connecting Rod)
32A 695759 Screw
(Connecting Rod)
33 262651S Valve−Exhaust
34 262652S Valve−Intake
35 691270 Spring−Valve
(Intake)
36 691270 Spring−Valve
(Exhaust)
37 694086 Guard−Flywheel
40 692194 Retainer−Valve
43 691997 Slinger−Governor/Oil
45 690548 Tappet−Valve
46 691449 Camshaft
50A 794305 Manifold−Intake
KIncluded in Engine Gasket Set−Ref. No.358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
∅Included in Valve Gasket Set−Ref. No 1095.
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−8Assemblies include all parts shown in frames. 05/20/2008
8
51A K794306 Gasket−Intake
54 691650 Screw
(Intake Manifold)
55 691421 Housing−Rewind
Starter
58 697316 Rope−Starter
(Cut To Required
Length)
−−−−−−− Note −−−−−
791362 Rope−Starter
Used on Type No(s).
0114, 0115.
60 281434S Grip−Starter Rope
65 690837 Screw
(Rewind Starter)
78 691108 Screw
(Flywheel Guard)
81 691740 Lock−Muffler Screw
95 691636 Screw
(Throttle Valve)
97 493267 Shaft−Throttle
(Metal)
−−−−−−− Note −−−−−
696565 Shaft−Throttle
(Plastic)
104 D691242 Pin−Float Hinge
108 691182 Valve−Choke
108A 795935 Valve−Choke
(Used After Code Date
08031200).
−−−−−−− Note −−−−−
790844 Valve−Choke
(Used Before Code
Date 08031300).
109A 498593 Shaft−Choke
109B 795936 Shaft−Choke
(Used After Code Date
08031200).
−−−−−−− Note −−−−−
790843 Shaft−Choke
(Used Before Code
Date 08031300).
117 498978 Jet−Main
(Standard)
117A 498981 Jet−Main
(Standard)
117B 691428 Jet−Main
(Standard)
118 497466 Jet−Main
(High Altitude)
118A 494870 Jet−Main
(High Altitude)
118B 695042 Jet−Main
(High Altitude)
121 498260 Kit−Carburetor
Overhaul
125 498170 Carburetor
(Primer System)
125A 792253 Carburetor
(Choke System)
125B 794304 Carburetor
(Autochoke System)
127 D694468 Plug−Welch
130 696564 Valve−Throttle
133 398187 Float−Carburetor
134 D398188 Kit−Needle/Seat
137 Dz693981 Gasket−Float Bowl
146 690979 Key−Timing
163KDz272653 Gasket−Air Cleaner
187B 791891 Line−Fuel
(Includes Filter)
187D 795090 Line−Fuel
(Molded)
188 693399 Screw
(Control Bracket)
190 690940 Screw
(Fuel Tank)
202 691829 Link−Mechanical
Governor
209B 790944 Spring−Governor
Used on Type No(s).
0531.
−−−−−−− Note −−−−−
691851 Spring−
Governer
Used on Type No(s).
0113, 0114, 0115.
699056 Spring−
Governor
Used on Type No(s).
0558, 0615, 0625,
0662, 0675, 0677,
0678, 1080, 1082,
1083, 1084.
691292 Spring−
Governor
Used on Type No(s).
0213.
691290 Spring−
Governor
Used on Type No(s).
0111, 0117, 0119.
691291 Spring−
Governor
Used on Type No(s).
0010, 1100.
222 790143 Bracket−Control
(Remote/Manual
Friction)(Primer)
222C 692150 Bracket−Control
(Variable Speed)
(5 Postion Manual
Choke)
222D 791128 Bracket−Control
(Fixed Speed)
222E 692982 Bracket−Control
(Manual Friction 5
Position Manual
Choke)
KIncluded in Engine Gasket Set−Ref. No.358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
∅Included in Valve Gasket Set−Ref. No 1095.
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−9Assemblies include all parts shown in frames. 05/20/2008
9
227 690783 Lever−Governor
Control
231 691636 Screw
(Choke Valve)
236 691826 Link−Lockout
240 298090S Filter−Fuel
265 690798 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
276 Dz271716 Washer−Sealing
(Main Jet)
287 690940 Screw
(Dipstick Tube)
291 790830 Thermostat
300 692038 Muffler
Used on Type No(s).
0010, 0119, 0531,
1100.
−−−−−−− Note −−−−−
790828 Muffler
Used on Type No(s).
0111, 0113, 0114,
0115, 0117, 0213,
0558, 0615, 0625,
0662, 0675, 0677,
0678, 1080, 1082,
1083, 1084.
304 493294 Housing−Blower
Used on Type No(s).
0010, 0119, 0531,
1100.
−−−−−−− Note −−−−−
790826 Housing−
Blower
Used on Type No(s).
0113, 0115, 0558,
0615, 0625, 0675,
1080, 1082.
790983 Housing−
Blower
Used on Type No(s).
0114, 0213, 0662,
0677, 0678, 1083,
1084.
791291 Housing−
Blower
Used on Type No(s).
0111, 0117.
305 691108 Screw
(Blower Housing)
306 690450 Shield−Cylinder
306A 790836 Shield−Cylinder
307 690345 Screw
(Cylinder Shield)
309A 795092 Motor−Starter
332 690662 Nut
(Flywheel)
333 802574 Armature−Magneto
334 691061 Screw
(Magneto Armature)
337 802592S Plug−Spark
(Resistor)
339 794797 Tube/Connector
Assembly
346 690661 Screw
(Spark Arrester)
347 691396 Switch−Rocker
356 692390 Wire−Stop
356B 693010 Wire−Stop
358 497316 Gasket Set−Engine
363 19069 Flywheel Puller
365 691688 Screw
(Carburetor)
383 89838S Wrench−Spark Plug
404 690272 Washer
(Governor Crank)
425A 690670 Screw
(Air Cleaner Cover)
443A 692523 Screw
(Air Cleaner Primer
Base)
445A 491588S Filter−Air Cleaner
Cartridge
455 791960 Cup−Flywheel
456 692299 Plate−Pawl Friction
459 281505S Plate−Ratchet
474 691991 Alternator
497 690664 Screw
(Stop Switch Bracket)
505 691251 Nut
(Governor Control
Lever)
510 795093 Drive−Starter
513 692358 Drive−Clutch
523 499621 Dipstick
524 K692296 Seal−Dipstick Tube
525 495265 Tube−Dipstick
529 691923 Grommet
562 92613 Bolt
(Governor Control
Lever)
563 691138 Screw
(Debris Guard Screen)
564C 690351 Screw
(Control Cover)
578 398153 Wire Assembly
584 697734 Cover−Breather
Passage
585 K691879 Gasket−Breather
Passage
KIncluded in Engine Gasket Set−Ref. No.358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
∅Included in Valve Gasket Set−Ref. No 1095.
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

126L00
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3974−10 Assemblies include all parts shown in frames. 05/20/2008
10
592 690800 Nut
(Rewind Starter)
597 691696 Screw
(Pawl Friction Plate)
601 791850 Clamp−Hose
604E 794794 Cover−Control
608 497680 Starter−Rewind
−−−−−−− Note −−−−−
791363 Starter−
Rewind
Used on Type No(s).
0114, 0115.
697671 Starter−
Rewind
Used on Type No(s).
1100.
613 691340 Screw
(Muffler)
−−−−−−− Note −−−−−
790833 Screw
(Muffler)
Used on Type No(s).
0111, 0113, 0114,
0115, 0117, 0213,
0558, 0615, 0625,
0662, 0675, 0677,
0678, 1080, 1082,
1083, 1084.
615 690340 Retainer−Governor
Shaft
616 698801 Crank−Governor
617KDz270344 Seal−O Ring
(Intake Manifold)
621 692310 Switch−Stop
627 792565 Bracket−Stop Switch
627A 793211 Bracket−Stop Switch
633 Dz691321 Seal−Choke/Throttle
Shaft
633A Dz693867 Seal−Choke/Throttle
Shaft
635 66538S Boot−Spark Plug
651 691660 Screw
(Starter Gear Cover)
668 K493823 Spacer
670 692294 Spacer−Fuel Tank
676 396548 Deflector−Muffler
676C 493871 Deflector−Muffler
677 690661 Screw
(Muffler Deflector)
684 690345 Screw
(Breather Passage
Cover)
689 691855 Spring−Detent
692 690572 Spring−Friction
697 691127 Screw
(Drive Cap)
703 696309 Clip
718 690959 Pin−Locating
741 795755 Gear−Timing
(Plastic)
−−−−−−− Note −−−−−
794388 Gear−Timing
(Use Without Woodruff
Key)
(Used After Code Date
07093000).
790345 Gear−Timing
(Use Without Woodruff
Key)
(Used Before Code
Date 07100100).
691830 Gear−Timing
(Uses Woodruff Key)
742 93941 Retainer−E Ring
745 691648 Screw
(Brake)
783 691918 Gear−Pinion
(Starter Drive)
(19 Teeth)
783A 691269 Gear−Pinion
(12 Teeth)
784 795095 Cover−Starter Gear
785 692352 Gasket−Starter Cover
789B 792685 Harness−Wiring
832 499034 Guard−Muffler
836 690664 Screw
(Muffler Guard)
842 K691031 Seal−O Ring
(Dipstick Tube)
843 691884 Sleeve−Lever
(Speed Control)
843A 691895 Sleeve−Lever
(Choke)
847 692047 Dipstick/Tube
Assembly
851 493880S Terminal−Spark Plug
853 695268 Adapter−Wire
868 697338 Seal−Valve
869 691155 Seat−Valve
(Intake)
870 690380 Seat−Valve
(Exhaust)
871 262001 Bushing−Valve Guide
(Exhaust)
−−−−−−− Note −−−−−
63709 Bushing−Valve
Guide
(Intake)
883 K∅691881 Gasket−Exhaust
910 691094 Stud
(Alternator)
921V 795089 Cover−Blower Housing
922 691831 Spring−Brake
922A 692135 Spring−Brake
923 691994 Brake
923A 695891 Brake
930 691919 Guard−Rewind
935 499421 Switch−Interlock
937 691325 Spline−Starter
949 696306 Guard−Debris Screen
957C 794793 Cap−Fuel Tank
(Plastic)
KIncluded in Engine Gasket Set−Ref. No.358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
∅Included in Valve Gasket Set−Ref. No 1095.
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION