Briggs & Stratton 120400 User manual

Briggs & Stratton
Brand
Briggs & Stratton
Model
120400
Category
Engine
Type
User manual

Briggs & Stratton 120400 is a versatile engine with a range of capabilities to power various equipment. It features a reliable and robust design, ensuring durability for demanding tasks. With its efficient performance, this engine delivers consistent power for applications like lawnmowers, generators, pressure washers, and more. The 120400 offers easy maintenance with accessible components and clear instructions in the included illustrated parts list. Trust Briggs & Stratton for dependable power and performance in your outdoor equipment endeavors.

Briggs & Stratton 120400 is a versatile engine with a range of capabilities to power various equipment. It features a reliable and robust design, ensuring durability for demanding tasks. With its efficient performance, this engine delivers consistent power for applications like lawnmowers, generators, pressure washers, and more. The 120400 offers easy maintenance with accessible components and clear instructions in the included illustrated parts list. Trust Briggs & Stratton for dependable power and performance in your outdoor equipment endeavors.

COPYRIGHT by BRIGGS & STRATTON CORPORATION
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,
recording or by any information storage and retrieval system, without permission
in writing from Briggs & Stratton Corporation.
PRINTED IN U.S.A.
FORM MS–6217–7C–1/2003
REPLACES FORM MS–6217–3C–2/2001
FILE IN SECT. 2 OF SERVICE MANUAL
120400
Illustrated Parts List
Model Series
120400
TYPE NUMBERS
0023 through 0242.
For Use On Engines Built Before Date Code – 03010100
TABLE OF CONTENTS
Air Cleaner 8. . . . . . . . . . . . . . . . . . . . . . . . .
Blower Housing/Shrouds 9. . . . . . . . . . . .
Cams 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Carburetor 5. . . . . . . . . . . . . . . . . . . . . . . . .
Controls 6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Crankcase Cover/Sump 2. . . . . . . . . . . . .
Crankshaft 3. . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder 2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Electric Starter 10. . . . . . . . . . . . . . . . . . . . .
Flywheel 9. . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Tank 6. . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Reducer 10. . . . . . . . . . . . . . . . . . . . . .
Governor Spring 7. . . . . . . . . . . . . . . . . . . .
Head 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition 7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Kits/Gaskets – Carburetor 5. . . . . . . . . . .
Kits/Gaskets – Engine 2. . . . . . . . . . . . . . .
Kits/Gaskets – Valve 4. . . . . . . . . . . . . . . .
Muffler 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Piston Group 3. . . . . . . . . . . . . . . . . . . . . . .
Rewind 9. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valves 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–2 Assemblies include all parts shown in frames. 7C–1/2003
2
552
718
15
615
3
306
307
529
12
17
415
20
22
12
20
20A
170
522
12
20
20B
12
20
21
21
1058 OWNER”S MANUAL
12
20
20C
20A
51
7A
993
1022
163A
163
883
883A
3
868
358 ENGINE GASKET SET
1019 LABEL KIT
1019A LABEL KIT
1
616
2
18A
18
18B
18C
12
20
20C
20A
51
7A
993
1022
883
883A
3
868
358A ENGINE GASKET SET
163B
163C
20B
20B
851
333
305A
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–3 Assemblies include all parts shown in frames. 7C–1/2003
3
27
27
30
32
32A
24
598
146
741
357
17
46
46A
746
742
220
15A
27
30
32
32A
25
25A
26
26
28
29A
29
16
219
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–4 Assemblies include all parts shown in frames. 7C–1/2003
4
383
337
635
635A
36
238
40
35
238
40
868
51
7
993
1022
619
830
1029
13
1026
45
914
914A
1022
51
7A
993
1022
868
1095 VALVE GASKET SET
155
34
192
1023
33
122
5
1034
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–5 Assemblies include all parts shown in frames. 7C–1/2003
5
163A
365
51
95
692
104
137
276
633
186
633A
130
163
108
108A
108B
127
127A
130A
163B
163C
633
633
276276
NOTE: This Illustration Represents A Number Of Different Carburetors.
Parts Shown May Not Be Included In All Kits
51
977A CARBURETOR GASKET SET
276
51
137
633
633A
118
122
117
975
133
134
125
97
109
109A
109B
98
51
104
137
276
121 CARBURETOR OVERHAUL KIT
633
633A
127
127A
163A
163
134
122
51
104
137
276
121A CARBURETOR OVERHAUL KIT
633
633A
127
127A
134
122
163B
163C
163B
163C
977 CARBURETOR GASKET SET
276
51
137
633
633A
163A
163
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–6 Assemblies include all parts shown in frames. 7C–1/2003
6
958
190A
736
240
240A
601
601
601
601
957
957
527
188
427
773
271B
668A
621
281
663
441
449
190
190
187
504
972
187B
187C
187A
222A
972A
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–7 Assemblies include all parts shown in frames. 7C–1/2003
7
1119
334
851
799
668
318
493
1054
364
286
347
729
714
356
356A
356B
356C
356D
209
209A
188
188
427A
621
478
1113
281A
267
265
505
562
1172
792
632
652A
890
652
271
270
268
269
578
564
564A
604
356E
356F
356G
356H
356J
188
1230
621
427
773
271A
668A
485
663
281B
318A
98A
222
504
474
333
843
227
222C
222B
504A
1052
1305
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–8 Assemblies include all parts shown in frames. 7C–1/2003
8
11
163
161
445
967
968
425
971
11A
445A
967A
968A
467
961
717
163A
971B
971A
883
613
300A
300B
836A
832
836
613A
184
285
883
864
823
676A
994
836D
677
832B
677
883A
300C
298
300
819
863
346
677
677
676C
994C
346
613C
864A
823
300D
832C
613B
832A
836B
836C
824
883B
676
875
994A 994B
676B
864A
971B
971A
875A
163B
163C
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–9 Assemblies include all parts shown in frames. 7C–1/2003
9
363
23 23A 23B
1070
1005
455
332
727
305
597
456
689
459
1210
1211 58
59
592
65
55
60B
65A
65A
65A 65A
60A
608
304 304A 304C304B
60
1036 EMISSION LABEL
305A 305A 305A 305A
60C
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–10 Assemblies include all parts shown in frames. 7C–1/2003
10
127B
3
82A
82
88
83
84
87
85
15A
842
441
449
441A
697
802
311
675
797
513
783
1051
803
544
801
310
523
847
309
510
317
1090
86
524
79
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–11 Assemblies include all parts shown in frames. 7C–1/2003
11
1 693811 Cylinder Assembly
(Used Before Code
Date 02011500).
––––––– Note –––––
698223 Cylinder
Assembly
(Used Before Code
Date 02101700 and
After Code Date
02011400).
698485 Cylinder
Assembly
(Used After Code Date
02101600).
694470 Cylinder
Assembly
Used on Type No(s).
0121, 0130.
2 399269 Kit–Bushing/Seal
(Magneto Side)
3 K299819 Seal–Oil
(Magneto Side)
5 693643 Head–Cylinder
7 698210 Gasket–Cylinder Head
11 692600 Tube–Breather
(Flat Panel Air
Cleaner)
11A 693647 Tube–Breather
(High Mount Air
Cleaner)
12 K692549 Gasket–Crankcase
13 691137 Screw
(Cylinder Head)
15 691686 Plug–Oil Drain
(Square Head)
15A 691682 Plug–Oil Drain
(Flush)
16 693887 Crankshaft
––––––– Note –––––
693403 Crankshaft
Used on Type No(s).
0036, 0131.
695237 Crankshaft
Used on Type No(s).
0120, 0145.
695763 Crankshaft
Used on Type No(s).
0124.
693595 Crankshaft
Used on Type No(s).
0242.
17 692517 Bearing–Ball
18 693204 Cover–Crankcase
––––––– Note –––––
694466 Cover–
Crankcase
Used on Type No(s).
0109, 0213.
18A 693605 Cover–Crankcase
Used on Type No(s).
0036.
18B 694833 Cover–Crankcase
Used on Type No(s).
0119, 0127.
18C 695290 Cover–Crankcase
(Used After Code Date
11080200.
Used on Type No(s).
0137.
20 K692550 Seal–Oil
(PTO Side)
20A K691952 Seal–Oil
(PTO Side)
(Auxiliary PTO)
20B K694171 Seal–Oil
(PTO Side)
Used on Type No(s).
0120, 0135, 0137.
21 281658 Cap–Oil Fill
22 692551 Screw
(Crankcase
Cover/Sump)
23 694902 Flywheel
Used on Type No(s).
0121.
23A 695298 Flywheel
Used on Type No(s).
0130.
23B 692987 Flywheel
24 222698 Key–Flywheel
25A 690021 Piston Assembly
(Standard)
––––––– Note –––––
694167 Piston
Assembly
(.010” Oversize)
694168 Piston
Assembly
(.020” Oversize)
694169 Piston
Assembly
(.030” Oversize)
26 499631 Ring Set
(Standard)
––––––– Note –––––
692785 Ring Set
(.010” Oversize)
692786 Ring Set
(.020” Oversize)
692787 Ring Set
(.030” Oversize)
27 691866 Lock–Piston Pin
28 499423 Pin–Piston
29 690124 Rod–Connecting
30 692562 Dipper–Connecting
Rod
32 691664 Screw
(Connecting Rod)
32A 695759 Screw
(Connecting Rod)
(Used After Code Date
00042200).
33 499642 Valve–Exhaust
34 499641 Valve–Intake
35 691304 Spring–Valve
(Intake)
36 691304 Spring–Valve
(Exhaust)
K Included in Engine Gasket Set–Ref. No.358.
D Included in Carburetor Overhaul Kit–Ref. No. 121.
z Included 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
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–12 Assemblies include all parts shown in frames. 7C–1/2003
12
40 692194 Retainer–Valve
45 690977 Tappet–Valve
46 693404 Camshaft
46A 694831 Camshaft
––––––– Note –––––
695285 Camshaft
Used on Type No(s).
0127.
51
KzD∅692555 Gasket–Intake
(2 Required)
55 691422 Housing–Rewind
Starter
58 693389 Rope–Starter
(Cut to Required
Length)
59 805957 Insert–Grip
60 715257 Grip–Starter Rope
(2 Piece)
60C 695740 Grip–Starter–Rope
Used on Type No(s).
0139.
65 690837 Screw
(Rewind Starter)
65A 692608 Screw
(Rewind Starter)
79 694511 Case–Gear Reduction
82 690369 Screw
(Gear Reduction Case)
82A 691122 Screw
(Gear Reduction Case)
83 690374 Shaft–Auxiliary Drive
84 691121 Plug–Breather
85 692551 Screw
(Gear Cover to Gear
Reduction Case)
86 690608 Cover–Gear
87 691582 Seal–Gear Reduction
88 691600 Gasket–Gear
Reduction Cover
95 691636 Screw
(Throttle Valve)
97 690024 Shaft–Throttle
98 398185 Kit–Idle Speed
(Carburetor)
98A 493280 Kit–Idle Speed
(Control Bracket)
104 D691242 Pin–Float Hinge
108A 691182 Valve–Choke
(.223” Diameter Holes,
Stamped 223471)
. 108B 692567 Valve–Choke
(.156” Diameter Holes,
Stamped 224449)
109 690023 Shaft–Choke
(Straight Handle)
109A 693628 Shaft–Choke
Used on Type No(s).
0109, 0119, 0124,
0213.
117 694176 Jet–Main
(Standard)
(Used Before Code
Date 02100800).
––––––– Note –––––
690048 Jet–Main
(Standard)
(Used After Code Date
02100700).
690048 Jet–Main
(Standard)
(Used Before Code
Date 02110100).
Used on Type No(s).
0109, 0119, 0124,
0213.
698344 Jet–Main
(Standard)
(Used After Code Date
02103100).
Used on Type No(s).
0109, 0119, 0124,
0213.
498976Jet–Main
(Standard)
Used on Type No(s).
0120, 0133, 0135,
0137, 0138.
691428 Jet–Main
(Standard)
Used on Type No(s).
0145.
118 690048 Jet–Main
(High Altitude)
(Used Before Code
Date 02100800).
––––––– Note –––––
498976 Jet–Main
(High Altitude)
(Used After Code Date
02100700).
498977 Jet–Main
(High Altitude)
(Used Before Code
Date 02110100)
Used on Type No(s).
0109, 0119, 0124,
0213.
694176 Jet–Main
(High Altitude)
(Used After Code Date
02103100).
Used on Type No(s).
0109, 0119, 0124,
0213.
694975 Jet–Main
(High Altitude)
Used on Type No(s).
0120, 0133, 0135,
0137, 0138.
695042 Jet–Main
(High Altitude)
Used on Type No(s).
0145.
121 695157 Kit–Carburetor
Overhaul
121A 696998 Kit–Carburetor
Overhaul
(High Vent)
122 D693749 Spacer–Carburetor
125 694174 Carburetor
(Used Before Code
Date 02100800).
––––––– Note –––––
698474 Carburetor
(High Vent)
(Used After Code Date
02100700).
693518 Carburetor
(Used Before Code
Date 02110100).
Used on Type No(s).
0109, 0119, 0124,
0213.
698475 Carburetor
(High Vent)
(Used After Code Date
02103100).
Used on Type No(s).
0109, 0119, 0124,
0213.
694508 Carburetor
Used on Type No(s).
0120, 0133, 0135,
0137, 0138.
127 D691739 Plug–Welch
(5/16” Diameter)
127A D694468 Plug–Welch
(3/8” Diameter)
127B 691585 Plug–Welch
K Included in Engine Gasket Set–Ref. No.358.
D Included in Carburetor Overhaul Kit–Ref. No. 121.
z Included 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
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–13 Assemblies include all parts shown in frames. 7C–1/2003
13
130 691181 Valve–Throttle
130A 691203 Valve–Throttle
Used on Type No(s).
0120, 0133, 0135,
0137, 0138.
133 398187 Float–Carburetor
134 D398188 Kit–Needle/Seat
137 D
z693981 Gasket–Float Bowl
146 690979 Key–Timing
155 698214 Plate–Cylinder Head
161 692579 Base–Air Cleaner
(Flat Panel Air
Cleaner)
(Used Before Code
Date 02100800).
––––––– Note –––––
696063 Base–Air
Cleaner
(Flat Panel Air
Cleaner)
(Used After Code Date
02100700).
163
KzD272948 Gasket–Air Cleaner
(Flat Panel)
(Used Before Code
Date 02100800).
163A
KzD693458 Gasket–Air Cleaner
(High Mount)
(Used Before Code
Date 02110100).
Used on Type No(s).
0109, 0119, 0124,
0213.
163B 696024 Gasket–Air Cleaner
(Flat Panel Air
Cleaner)
(Used After Code Date
02100700).
163C 696979 Gasket–Air Cleaner
(High Mount)
(Used After Code Date
02103100).
Used on Type No(s).
0109, 0119, 0124,
0213.
184 691685 Screw
(Muffler Strap)
186 692317 Connector–Hose
187 691050 Line–Fuel
(Straight)
(Cut to Required
Length)
187A 692601 Line–Fuel
(Molded)
187B 693401 Line–Fuel
(Molded)
188 690877 Screw
(Control Bracket)
190 692127 Screw
(Fuel Tank)
190A 690877 Screw
(Fuel Tank)
(Used Before Code
Date 99070500).
192 694543 Adjustor–Rocker Arm
209 692571 Spring–Governor
(Silver)
––––––– Note –––––
693206 Spring–
Governor
(Yellow)
Used on Type No(s).
0023, 0119, 0120,
0121, 0124, 0135,
0147.
691798 Spring–
Governor
(Brown)
Used on Type No(s).
0036, 0101, 0105,
0111, 0113, 0115,
0116, 0117, 0118,
0119, 0121, 0124.
209A 691278 Spring–Governor
219 693578 Gear–Governor
220 691724 Washer
(Governor Gear)
222 695742 Bracket–Control
222A 694253 Bracket–Control
222B 694263 Bracket–Control
(Used Before Code
Date 99070500).
Used on Type No(s).
0036, 0101, 0111,
0113.
222C 696288 Bracket–Control
Used on Type No(s).
0124.
227 692573 Lever–Governor
Control
238 691300 Cap–Valve
240A 298090 Filter–Fuel
265 691024 Clamp–Casing
267 692577 Screw
(Casing Clamp)
268 691025 Casing–Control Wire
(72” Long)
(Cut to Required
Length)
269 691026 Wire–Control
(78” Long)
(Cut to Required
Length)
270 691027 Nut
(Control Wire Casing)
271 691028 Lever–Control
271A 695743 Lever–Control
271B 694256 Lever–Control
276 D
z271716 Washer–Sealing
281 694252 Panel–Control
(Used After Code Date
99070400).
281A 693407 Panel–Control
(Used Before Code
Date 99070500).
285 692595 Strap–Muffler
286 698611 Module–Oil Sensor
(Used After Code Date
03010500).
––––––– Note –––––
698317 Module–Oil
Sensor
(Used Before Code
Date 03010600).
K Included in Engine Gasket Set–Ref. No.358.
D Included in Carburetor Overhaul Kit–Ref. No. 121.
z Included 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
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–14 Assemblies include all parts shown in frames. 7C–1/2003
14
300 695735 Muffler
(Lo Tone)
300A 694429 Muffler
(Super Lo Tone)
300B 693593 Muffler
(Lo Tone)
304 697910 Housing–Blower
(Electric Start)
(Black)
(Used After Code Date
02021400).
Used on Type No(s).
0121, 0130.
––––––– Note –––––
694378 Housing–
Blower
(Electric Start)
(Black)
(Used Before Code
Date 02021500).
Used on Type No(s).
0121, 0130.
304A 697909 Housing–Blower
(Rewind Start)
(Black)
(Used After Code Date
02021400).
––––––– Note –––––
693621 Housing–
Blower
(Rewind Start)
(Black)
(Used Before Code
Date 02021500).
305 690960 Screw
(Blower Housing)
305A 691140 Screw
(Blower Housing)
306 693610 Shield–Cylinder
307 690345 Screw
(Cylinder Shield)
309 694504 Motor–Starter
310 690323 Bolt
(Starter Motor)
311 497608 Brush Set
317 695494 Cover–Starter
318 693609 Screw
(Mounting Bracket)
318A 690370 Screw
(Mounting Bracket)
332 690662 Nut
(Flywheel)
333 695711 Armature–Magneto
334 691061 Screw
(Magneto Armature)
337 491055 Plug–Spark
––––––– Note –––––
691043 Plug–Spark
Used on Type No(s).
0124, 0128, 0130.
347 696213 Switch–Rocker
(3 Tines, No ON/OFF
Marking, 3 Position,
Non–Lighted)
––––––– Note –––––
692599 Switch–Rocker
(2 Tines, ON/OFF
Marking, 2 Position,
Non–Lighted)
356 693650 Wire–Stop
(1 Wire, 6–1/4”Long)
(Ring Terminal, And
Push–On Insulated Pin
Socket)
356A 692390 Stop Wire
(1 Wire, 17” Long)
(Snap Connect
Insulated Female
Blade Terminal, And
Bare Wire End)
356B 692602 Stop Wire
(1 Wire, 14” Long)
(Snap Connect
Insulated Female
Blade Terminal, And
Insulated Push–On
Female Blade
Terminal)
356C 695630 Stop Wire
(1 Wire, 6–1/2” Long)
(Push–On Female
Blade Terminal, And
Ring Terminal)
358 695155 Gasket Set–Engine
358A 697000 Gasket Set–Engine
(High Vent)
363 19069 Flywheel Puller
364 695693 Terminal–Oil Plug
365 692568 Screw
(Carburetor)
383 19374 Wrench–Spark Plug
415 693463 Plug
(Crankcase Cover/
Sump)
425 692583 Screw
(Air Cleaner Cover)
427 694255 Nut
(Control Bracket)
(Used After Code Date
99070400).
427A 692575 Nut
(Control Bracket)
(Used Before Code
Date 99070500).
441 694262 Bracket–Oil Fill
445 491588 Filter–Air Cleaner
Cartridge
(Flat Panel)
445A 697029 Filter–Air Cleaner
Cartridge
(High Mount)
449 691693 Screw
(Oil Fill Bracket)
455 692591 Cup–Flywheel
456 692299 Plate–Pawl Friction
459 281505 Pawl–Rachet
467 691668 Knob–Air Cleaner
474 694457 Alternator
478 693709 Panel
(Used Before Code
Date 99070500).
485 695755 Knob–Control
493 693599 Bracket–Mounting
K Included in Engine Gasket Set–Ref. No.358.
D Included in Carburetor Overhaul Kit–Ref. No. 121.
z Included 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
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–15 Assemblies include all parts shown in frames. 7C–1/2003
15
504 694254 Washer Set–Friction
(Used After Code Date
99070400).
504A 495659 Washer Set–Friction
(Used Before Code
Date 99070500).
505 691251 Nut
(Governor Control
Lever)
510 499308 Drive–Starter
513 692024 Clutch–Drive
522 697689 Plug–Dipstick/Fill
523 693618 Dipstick
524 281370 Seal–Dipstick Tube
527 690394 Clamp–Tube
544 692966 Armature–Starter
552 692346 Bushing–Governor
Crank
562 94852 Bolt
(Governor Control
Lever)
564 692577 Screw
(Control Cover)
564A 692198 Screw
(Control Cover)
592 690800 Nut
(Rewind Starter)
597 691696 Screw
(Pawl Friction Plate)
598 220624 Shim–Endplay
601 95162 Clamp–Hose
604 696078 Cover–Control
––––––– Note –––––
697326 Cover–Control
0124, 0135, 0145.
608 693394 Starter–Rewind
––––––– Note –––––
697549 Starter–Re-
wind
Used on Type No(s).
0139.
613 691665 Screw
(Muffler)
613A 694460 Screw
(Muffler)
613B 691108 Screw
(Muffler)
615 692576 Retainer–Governor
Shaft
616 692547 Crank–Governor
619 691108 Screw
(Cylinder Head Plate)
621 692310 Switch–Stop
632 693408 Spring/Link–
Mechanical Governor
633 D
z693867 Seal–Choke/Throttle
Shaft
633A Dz691321 Seal–Choke/Throttle
Shaft
635 692076 Boot–Spark Plug
635A 692927 Boot–Spark Plug
652 691108 Screw
(Support Bracket)
652A 695629 Screw
(Support Bracket)
663 694593 Screw
(Control Panel)
668 693604 Spacer
(Oil Sensor)
668A 694257 Spacer
(Control Bracket)
675 691261 Washer
(Brush Retainer)
676 393757 Deflector–Muffler
(Side Out)
676B 395700 Deflector–Muffler
(Direct Out)
677 690661 Screw
(Muffler Deflector)
689 691855 Spring–Friction
(Rewind Starter)
692 690572 Spring–Detent
697 690372 Screw
(Drive Cap)
(Starter Motor)
714 693649 Nut
(Stop Wire)
717 693462 Bracket–Air Cleaner
718 690959 Pin–Locating
727 694467 Cover–Starter Drive
Used on Type No(s).
0121, 0130.
729 694371 Clip–Wire
736 693560 Nut–Clip
(Fuel Tank)
(Used Before Code
Date 99070500).
741 692565 Gear–Timing
––––––– Note –––––
695087 Gear–Timing
Used on Type No(s).
0124, 0135.
742 692564 Retainer–E Ring
(Idler Gear)
746 692566 Gear–Idler
773 694258 Retainer
(Control Bracket)
783 692353 Gear–Pinion
792 694259 Bracket–Fixed Speed
(Used After Code Date
99070400).
797 691029 Nut
(Brush Retainer)
799 693609 Screw
(Oil Sensor)
801 694482 Cap–Drive
802 691286 Cap–End
803 693757 Housing–Starter
819 691685 Screw
(Muffler Bracket)
823 691665 Screw
(Muffler Adapter)
824 696017 Shield–Heat
830 694544 Stud
(Rocker Arm)
832 693583 Guard–Muffler
(Lo Tone)
832A 694459 Guard–Muffler
(Super Lo Tone)
832C 697818 Guard–Muffler
836 690661 Screw
(Muffler Guard)
836A 693624 Screw
(Muffler Guard)
836B 691003 Screw
(Muffler Guard)
(Super Lo Tone)
836C 691665 Screw
(Muffler Guard)
(Super Lo Tone)
842 691031 Seal–O Ring
(Dipstick Tube)
843 694061 Sleeve–Lever
847 693617 Dipstick/Tube
Assembly
851 493880 Terminal–Spark Plug
863 692596 Bracket–Muffler
864 694430 Adapter–Muffler
868 K∅692044 Seal–Valve
K Included in Engine Gasket Set–Ref. No.358.
D Included in Carburetor Overhaul Kit–Ref. No. 121.
z Included 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
120400
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
6217–16 Assemblies include all parts shown in frames. 7C–1/2003
16
875 693459 Base–Air Cleaner
(Plastic High Mount)
(Used Before Code
Date 02110100).
Used on Type No(s).
0109, 0119, 0124,
0213.
875A 697030 Base–Air Cleaner
(Plastic High Mount)
(Used After Code Date
02103100).
Used on Type No(s).
0109, 0119, 0124,
0213.
883 691893 Gasket–Exhaust
(Adapter to Cylinder)
883A 692237 Gasket–Exhaust
890 694933 Bracket–Support
914 692198 Screw
(Rocker Cover)
914A 692557 Screw
(Rocker Cover)
957 694261 Cap–Fuel Tank
(Used After Code Date
99070400).
––––––– Note –––––
493988 Cap–Fuel
Tank
(Used Before Code
Date 99070500).
958 692586 Valve–Fuel Shut Off
961 693598 Screw
(Air Cleaner Bracket)
(Used Before Code
Date 02080500)
––––––– Note –––––
698304 Screw
(Air Cleaner Bracket)
(Used After Code Date
02080400).
967 493537 Filter–Pre Cleaner
(Flat Panel)
967A 273356 Filter–Pre Cleaner
(High Mount)
968 692584 Cover–Air Cleaner
(Flat Panel Air
Cleaner)
––––––– Note –––––
698811 Cover–Air
Cleaner
(Flat Panel Air
Cleaner)
Used on Type No(s).
0145.
968A 693460 Cover–Air Cleaner
(High Mount Air
Cleaner)
971 690370 Screw
(Air Cleaner Base)
971A 690349 Screw
(Air Cleaner Base)
971B 691693 Screw
(Air Cleaner Base)
972 694260 Tank–Fuel
(Used After Code Date
99070400).
972A 694263 Tank–Fuel
(Used Before Code
Date 99070500).
975 493640 Bowl–Float
977 695156 Gasket Set–Carburetor
977A 697001 Gasket Set–Carburetor
(High Vent)
993 K∅694088 Gasket–Cylinder Head
Plate
994C 697817 Arrester–Spark
(Used After Code Date
02031800).
Used on Type No(s).
0135.
1005 692592 Fan–Flywheel
1019 694852 Kit–Label
(Used After Code Date
97082700).
––––––– Note –––––
690035 Kit–Label
(Used Before Code
Date 97082800).
1022 K∅691890 Gasket–Rocker Cover
1023 499924 Cover–Rocker Arm
1026 693517 Rod–Push
1029 691230 Arm–Rocker
1034 691343 Guide–Push Rod
1036 697004 Label–Emission
(Used After Code Date
01100800).
––––––– Note –––––
696766 Label–
Emission
(Used Before Code
Date 01100700).
1051 691265 Ring–Retaining
(Starter Drive)
1052 698674 Sensor–Oil
1054 280275 Tie–Cable
1058 275092 Owner’s Manual
(Emission Engines)
1070 692590 Screw
(Flywheel Fan)
1090 691293 Retainer–Brush
1095 695289 Gasket Set–Valve
1113 692577 Screw
(Panel)
1119 691183 Screw
(Alternator)
1172 691676 Screw
(Fixed Speed Bracket)
1210 498144 Pulley/Spring
Assembly
(Pulley)
1211 498144 Pulley/Spring
Assembly
(Spring)
1230 695709 Stud
(Control Bracket)
1305 691140 Screw
(Oil Sensor Module)
K Included in Engine Gasket Set–Ref. No.358.
D Included in Carburetor Overhaul Kit–Ref. No. 121.
z Included 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
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Briggs & Stratton 120400 User manual

Briggs & Stratton
Brand
Briggs & Stratton
Model
120400
Category
Engine
Type
User manual

Briggs & Stratton 120400 is a versatile engine with a range of capabilities to power various equipment. It features a reliable and robust design, ensuring durability for demanding tasks. With its efficient performance, this engine delivers consistent power for applications like lawnmowers, generators, pressure washers, and more. The 120400 offers easy maintenance with accessible components and clear instructions in the included illustrated parts list. Trust Briggs & Stratton for dependable power and performance in your outdoor equipment endeavors.

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