Briggs Stratton Air Cleaner 21A900 User Manual

FORM MS506906/17/2008  
REPLACES FORM MS506902/07/08  
FILE IN SECT. 2 OF2SE1RVAICE9MA0NU0AL  
Illustrated Parts List  
Model Series  
21A900  
TYPE NUMBERS  
0101 through 0199.  
TABLE OF CONTENTS  
Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . 10  
Blower Housing . . . . . . . . . . . . . . . . . . . . . 7  
Camshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . 5, 6  
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Cylinder Head . . . . . . . . . . . . . . . . . . . . . . 4  
Electric Starter . . . . . . . . . . . . . . . . . . . . . . 8  
Engine Sump . . . . . . . . . . . . . . . . . . . . . . . 2  
Exhaust System . . . . . . . . . . . . . . . . . . . . 7  
Flywheel . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Fuel Supply . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Gasket Set Engine . . . . . . . . . . . . . . . . . 4  
Gasket Set Valve . . . . . . . . . . . . . . . . . . 4  
Governor Spring . . . . . . . . . . . . . . . . . . . . 9  
Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Intake Manifold . . . . . . . . . . . . . . . . . . . . . 4  
Kit Carburetor Overhaul . . . . . . . . . . . . 5  
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Operator’s Manual . . . . . . . . . . . . . . . . . . 2  
Piston, Rings, Connecting Rod . . . . . . . 3  
Rewind Starter . . . . . . . . . . . . . . . . . . . . . . 8  
Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Warning Label . . . . . . . . . . . . . . . . . . . . . . 2  
PRINTED IN U.S.A.  
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.  
 
21A900  
25  
26  
27  
28  
27  
32  
29  
847  
523  
842  
16  
46  
45  
24  
525  
146  
357  
524  
741  
43  
758  
1270  
759  
757  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50693  
Assemblies include all parts shown in frames.  
06/17/2008  
3
 
21A900  
45  
1026  
5
34  
42  
868  
36  
238  
33  
42  
337  
7
883  
635  
383  
35  
1022  
1034  
830  
51  
617  
1029  
192  
1022  
914  
654  
53  
1023  
14  
51  
50  
617  
705  
13  
850  
54  
358 ENGINE GASKET SET  
943  
3
7
12  
1022  
1095 VALVE GASKET SET  
868  
20  
691  
842  
7
51  
524  
617  
1266  
1022  
868  
883  
1266A  
9
51  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50694  
Assemblies include all parts shown in frames.  
06/17/2008  
4
 
21A900  
125  
141  
141  
See text  
for correct  
Choke  
Shaft Kit.  
131  
634  
108  
141B  
See text  
for correct  
Choke  
141B  
130  
95  
Shaft Kit.  
987  
93  
98  
692  
633  
108  
94  
51  
1091  
142  
143  
LMT / PART  
NUMBER  
127  
106  
LOCATIONS  
133  
105  
104  
975  
137  
276  
950  
WALBRO  
121 CARBURETOR OVERHAUL KIT  
51  
987  
137  
104  
105  
617  
142  
106  
1266  
93  
95  
634  
1266A  
127  
276  
977 CARBURETOR GASKET SET  
51  
137  
276  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50695  
Assemblies include all parts shown in frames.  
06/17/2008  
5
 
21A900  
125A  
141A  
634A  
131A  
117  
118  
108A  
130A  
95A  
987A  
51  
98A  
94A  
1091  
105A  
104A  
127A  
133A  
137A  
135A  
137A  
975A  
137A  
1127  
NIKKI  
121ACARBURETOR OVERHAUL KIT  
987A  
51  
137A  
105A  
1266  
95A  
127A  
1266A  
104A  
617  
634A  
977ACARBURETOR GASKET SET  
137A  
51  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50696  
Assemblies include all parts shown in frames.  
06/17/2008  
6
 
21A900  
1036 EMISSIONS LABEL  
1040  
1040A  
304  
305A  
305  
643  
1397  
1267  
967  
445  
864  
883  
968  
823  
431  
1266A  
1266  
676A  
823  
884  
676  
677  
677  
300  
300A  
883  
613B  
883  
613A  
613B  
300B  
613  
81  
613  
81  
832  
836  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50697  
Assemblies include all parts shown in frames.  
06/17/2008  
7
 
21A900  
415A  
1005A  
1070  
73A  
1005B  
1070A  
1005  
75  
74  
78  
73  
37  
1044  
455  
78A  
37A  
729B  
729A  
697  
608  
55  
65  
309  
363  
23  
801  
1051  
783  
58  
1051  
510  
57  
60  
544  
803  
56  
783  
513  
23A  
310  
459  
689  
456  
1090  
797  
311  
579  
597  
802  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50698  
Assemblies include all parts shown in frames.  
06/17/2008  
8
 
21A900  
521  
187  
601  
187A  
601  
1054  
240A  
240  
356  
187B  
187C  
387  
385A  
387A  
356A  
527  
601  
356B  
356C  
385  
601  
729  
972  
957  
187B  
789  
601  
958  
918  
601  
601A  
789A  
334  
333  
851  
920  
616  
227  
562  
404  
614  
505  
621  
507  
520  
359  
373  
188  
222  
268  
269  
270  
216  
209  
271  
559  
559A  
265  
843  
267  
202  
687  
688  
689A  
1136  
232  
261  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50699  
Assemblies include all parts shown in frames.  
06/17/2008  
9
 
21A900  
DUAL  
DC ONLY  
1059  
5 9 AMP  
10 16 AMP  
CIRCUIT  
1059  
1059 474D  
877C  
1059  
474A  
474B  
877  
474C  
877B  
877A  
578  
578  
578  
878  
526A  
526A  
501C  
526B  
501D  
501A  
1119  
mounting screw.  
NOTE: All stators use a No.  
526B  
501B  
NOTE: The proper flywheel part number and/or the alternator magnet size will  
determinethe alternator type or output. See repair instruction manual  
for additional information.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506910  
Assemblies include all parts shown in frames.  
06/17/2008  
10  
 
21A900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
1
2
697377 Cylinder Assembly  
399265 KitBushing/Seal  
(Magneto Side)  
11  
794683 TubeBreather  
(Used After Code Date  
23A  
693555 Flywheel  
(Rewind Starter)  
Used on Type No(s).  
0117, 0134, 0139,  
0141, 0142, 0149,  
0151, 0161, 0166,  
0168, 0170, 0171,  
0184, 0188, 0190.  
−−−−−− Note −−−−−−  
698283 Flywheel  
(Rewind Starter)  
07071800).  
3 K391086S SealOil  
(Magneto Side)  
697106 SumpEngine  
−−−−−− Note −−−−−−  
697113 TubeBreather  
(Used Before Code  
Date 07071900).  
4
(Used After Code Date  
05100200).  
−−−−−− Note −−−−−−  
795940 SumpEngine  
(Used Before Code  
Date 05100200).  
Must Use Kit 795940,  
Includes Sump And  
Counterweight.  
12 K697110 GasketCrankcase  
(.015” Thick)  
(Standard)  
13  
14  
690360 Screw  
(Cylinder Head)  
790560 Stud  
(Cylinder Head)  
690946 PlugOil Drain  
(3/8” Standard)  
697390 Crankshaft  
Used on Type No(s).  
0127, 0134, 0136,  
0138, 0144.  
24 222698S KeyFlywheel  
25  
15  
792305 Piston Assembly  
(Standard)  
4A  
697188 SumpEngine  
(Used After Code Date  
05100200).  
16A  
−−−−−− Note −−−−−−  
792728 Piston  
Assembly  
20 K791892 SealOil  
(PTO Side)  
692125 Screw  
Used on Type No(s).  
0101, 0105, 0115,  
0119, 0121, 0122,  
0129, 0156, 0157,  
0165, 0172, 0173,  
0176, 0178, 0179,  
0180, 0186, 0187,  
0188, 0189, 0190,  
0191, 0192, 0195,  
0197, 0198, 0199.  
−−−−−− Note −−−−−−  
795957 SumpEngine  
(Used Before Code  
Date 05100200).  
Used on Type No(s).  
0101, 0105, 0115,  
0119, 0121, 0122,  
0129, 0156, 0157,  
0165, 0172, 0173,  
0176, 0178, 0179,  
0180, 0186, 0187,  
0188, 0189, 0190,  
0191, 0192, 0195,  
0197, 0198, 0199.  
Must Use Kit 795957,  
Includes Sump And  
Counterweight.  
22  
(.020” Oversize)  
792306 Ring Set  
(Standard)  
−−−−−− Note −−−−−−  
792643 Ring Set  
(.020” Oversize)  
698469 LockPiston Pin  
(Used After Code Date  
02100300).  
(Crankcase  
Cover/Sump)  
693556 Flywheel  
26  
27  
23  
Used on Type No(s).  
0115, 0137, 0157,  
0192.  
−−−−−− Note −−−−−−  
693557 Flywheel  
Used on Type No(s).  
0145, 0147, 0150,  
0159, 0176, 0191.  
698281 Flywheel  
Used on Type No(s).  
0101, 0104, 0105,  
0119, 0120, 0121,  
0122, 0123, 0124,  
0125, 0128, 0129,  
0131, 0140, 0143,  
0152, 0153, 0155,  
0158, 0162, 0164,  
0169, 0172, 0173,  
0178, 0183, 0185,  
0186, 0187.  
698282 Flywheel  
Used on Type No(s).  
0113, 0133, 0154,  
0156, 0165, 0167,  
0179, 0180, 0189,  
0195, 0197, 0198,  
0199.  
−−−−−− Note −−−−−−  
698138 LockPiston  
Pin  
(Used Before Code  
Date 02100400).  
697099 PinPiston  
791633 RodConnecting  
(Standard)  
28  
29  
−−−−−− Note −−−−−−  
697262 Rod−  
Connecting  
(.020” Undersize)  
(Used Before Code  
Date 05040400).  
791118 Screw  
(Connecting Rod)  
695760 ValveExhaust  
695761 ValveIntake  
691279 SpringValve  
(Intake)  
32  
33  
34  
35  
5
792964 HeadCylinder  
7KΔ273280S GasketCylinder Head  
9
K697109 GasketBreather  
(Used Before Code  
Date 07071900).  
(After Date Code Use  
Liquid Sealant  
790924 Flywheel  
Used on Type No(s).  
0113, 0156, 0167.  
Reference 850)  
697157 Screw  
10  
(Breather Assembly)  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506911  
Assemblies include all parts shown in frames.  
02/07/2008  
11  
 
21A900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
36  
691279 SpringValve  
(Exhaust)  
697352 GuardFlywheel  
697626 GuardFlywheel  
(Electric Start)  
78  
691003 Screw  
(Flywheel Guard)  
690364 Screw  
(Flywheel  
Guard)(Electric Start)  
691178 LockMuffler Screw  
121  
790031 KitCarburetor  
Overhaul  
(Walbro)  
698787 KitCarburetor  
78A  
37  
37A  
121A  
Overhaul  
(Nikki)  
81  
Used on Type No(s).  
0117, 0127, 0134,  
93 D690602 BushingThrottle Shaft  
94  
125 790021 Carburetor  
498030 KitIdle Mixture  
(Walbro)  
(Used Before Code  
Date 06121900).  
Used on Type No(s).  
0142, 0166.  
0136, 0138, 0139,  
0141, 0142, 0144,  
0149, 0151, 0161,  
0166, 0168, 0170,  
0171, 0176, 0184,  
0188, 0190.  
(Walbro)  
695425 KitIdle Mixture  
(Nikki)  
94A  
95 D691636 Screw  
(Throttle Valve)  
(Walbro)  
125A  
791266 Carburetor  
(Nikki)  
42  
43  
45  
46  
50  
499586 KeeperValve  
691968 SlingerGovernor/Oil  
690564 TappetValve  
793880 Camshaft  
697361 ManifoldIntake  
95A D690718 Screw  
(Used Before Code  
Date 07122600).  
−−−−−− Note −−−−−−  
794653 Carburetor  
(Nikki)  
(Throttle Valve)(Nikki)  
495800 KitIdle Speed  
(Walbro)  
695408 KitIdle Speed  
(Nikki)  
98  
98A  
51KDzΔ692137 GasketIntake  
(Used After Code Date  
07122500).  
53  
54  
55  
690227 Stud  
(Carburetor)  
691148 Screw  
(Intake Manifold)  
695130 HousingRewind  
Starter  
695129 PulleyStarter  
695131 SpringRewind Starter  
695132 RopeStarter  
494212 GripStarter Rope  
690759 Screw  
104 D690525 PinFloat Hinge  
(Walbro)  
104A D694918 PinFloat Hinge  
(Nikki)  
105 D231855S ValveFloat Needle  
(Walbro)  
105A D696136 ValveFloat Needle  
(Nikki)  
106 D690577 SeatInlet  
(Walbro)(Gravity Feed)  
−−−−−− Note −−−−−−  
D691780 SeatInlet  
125B  
794215 Carburetor  
(Nikki)  
(Used Before Code  
Date 07122600).  
−−−−−− Note −−−−−−  
794653 Carburetor  
(Nikki)  
56  
57  
58  
60  
65  
(Used After Code Date  
07122500).  
127 D694524 PlugWelch  
127A D690727 PlugWelch  
(Rewind Starter)  
(Used After Code Date  
07040800).  
−−−−−− Note −−−−−−  
697725 Screw  
(Rewind Starter)  
(Used Before Code  
Date 07040900).  
ScreenRotating  
(Service With Flywheel  
Fan 794440)  
(Nikki)  
790024 ValveThrottle  
(Walbro)  
698774 ValveThrottle  
(Nikki)  
790901 KitThrottle Shaft  
(Walbro)  
698776 KitThrottle Shaft  
(Nikki)  
494381 FloatCarburetor  
(Walbro)  
694914 FloatCarburetor  
(Nikki)  
698780 TubeFuel Transfer  
(Nikki)  
(Walbro)(Pump Feed)  
691227 ValveChoke  
(Walbro)  
698773 ValveChoke  
(Nikki)  
130  
130A  
131  
108  
108A  
117  
699897 JetMain  
(Standard)  
73  
131A  
133  
(Used Before Code  
Date 07122600).  
−−−−−− Note −−−−−−  
794258 Jet Main  
(Standard)  
(Used After Code Date  
07122500).  
(Used Before Code  
Date 07040900).  
794437 ScreenRotating  
(Used After Code Date  
07040800).  
133A  
135A  
73A  
74  
118  
699898 JetMain  
697897 Screw  
(High Altitude)  
(Used Before Code  
Date 07122600).  
−−−−−− Note −−−−−−  
792022 TubeFuel  
Transfer  
(Nikki)  
(Used After Code Date  
07122500).  
(Rotating Screen)  
(Used Before Code  
Date 07040900).  
690582 Washer  
(Flywheel)  
(Used Before Code  
Date 07122600).  
−−−−−− Note −−−−−−  
791405 Jet Main  
(High Altitude)  
75  
75  
690582 Washer  
(Flywheel)  
(Used After Code Date  
07122500).  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506912  
Assemblies include all parts shown in frames.  
02/07/2008  
12  
 
21A900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
137Dz281165S GasketFloat Bowl  
192  
202  
691986 AdjusterRocker Arm  
691841 LinkMechanical  
Governor  
792813 SpringGovernor  
(Brown)  
216  
222  
227  
691840 LinkChoke  
694042 BracketControl  
691374 LeverGovernor  
Control  
691842 SpringGovernor Link  
691843 CapValve  
(Walbro)  
137A Dz698781 GasketFloat Bowl  
(Nikki)  
209  
232  
238  
141  
141A  
141B  
790902 KitChoke Shaft  
(Walbro)  
698778 KitChoke Shaft  
(Nikki)  
Used on Type No(s).  
0115, 0117, 0119,  
0120, 0121, 0122,  
0124, 0127, 0128,  
0129, 0131, 0134,  
0136, 0138, 0139,  
0140, 0141, 0142,  
0143, 0144, 0145,  
0147, 0149, 0153,  
0154, 0159, 0161,  
0162, 0164, 0165,  
0166, 0168, 0170,  
0172, 0173, 0176,  
0178, 0180, 0183,  
0184, 0185, 0186,  
0187, 0188, 0189,  
0190, 0191, 0192,  
0197, 0198, 0199.  
−−−−−− Note −−−−−−  
792602 Spring−  
Governor  
239 491657S SwitchOil Pressure  
Used on Type No(s).  
0115, 0188.  
240 298090S FilterFuel  
(Red, 150 Microns)  
Used on Type No(s).  
0129.  
790903 KitChoke Shaft  
(Walbro)  
Used on Type No(s).  
0142, 0166.  
793386 KitChoke Shaft  
(Manual Choke)  
141C  
−−−−−− Note −−−−−−  
394358S FilterFuel  
(White, 75 Microns)  
Used on Type No(s).  
0101, 0104, 0105,  
0113, 0117, 0119,  
0120, 0123, 0124,  
0125, 0127, 0128,  
0131, 0134, 0136,  
0138, 0146, 0152,  
0155, 0156, 0158,  
0167, 0168, 0169,  
0171, 0172, 0176,  
0180, 0183, 0184,  
0186, 0192, 0198.  
142 D790025 NozzleCarburetor  
(Standard)(Walbro)  
143  
790028 NozzleCarburetor  
(High Altitude)(Walbro)  
691639 KeyTiming  
791805 LineFuel  
(Formed)(101/4  
Inches Long)(Cut to  
Required Length)  
791806 LineFuel  
(Formed)(21” Long)  
(Cut To Required  
Length)  
146  
187  
187A  
(Red)  
Used on Type No(s).  
0101, 0113, 0133,  
0156, 0157, 0179,  
0195.  
692208 Spring−  
Governor  
187B  
187C  
188  
791766 LineFuel  
(15” Long)(Cut To  
Required Length)  
791745 LineFuel  
(23 Inches Long)(Cut  
To Required Length)  
691693 Screw  
240A  
691035 FilterFuel  
(Clear, 40 Microns)  
Used on Type No(s).  
0115, 0121, 0122,  
0133, 0137, 0139,  
0140, 0141, 0142,  
0143, 0144, 0145,  
0147, 0149, 0150,  
0151, 0153, 0154,  
0157, 0159, 0161,  
0162, 0164, 0165,  
0166, 0170, 0173,  
0178, 0179, 0185,  
0187, 0188, 0189,  
0190, 0191, 0195,  
0197, 0199.  
(Green)  
Used on Type No(s).  
0104, 0105, 0123,  
0125, 0137, 0146,  
0152, 0155, 0158,  
0167, 0169.  
691795 Spring−  
Governor  
(Yellow)  
Used on Type No(s).  
0171.  
(Control Bracket)  
690576 Spring−  
Governor  
(Gold)  
Used on Type No(s).  
0150, 0151.  
261  
697176 Screw  
(Control Slide)  
Used on Type No(s).  
0139, 0140, 0142,  
0166.  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506913  
Assemblies include all parts shown in frames.  
02/07/2008  
13  
 
21A900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
265  
267  
691024 ClampCasing  
794904 Screw  
311  
333  
334  
497608 Brush Set  
795315 ArmatureMagneto  
691061 Screw  
387A  
404  
808656 PumpFuel  
691691 Washer  
(Governor Crank)  
690283 Plug  
(Sump)  
794129 Plug  
(Cover/Retainer)  
(Used After Code Date  
07040800).  
697122 ElbowIntake  
(Casing Clamp)  
268  
691025 CasingControl Wire  
(Cut To Required  
Length)  
691026 WireControl  
(Cut To Required  
Length)  
691027 Nut  
(Control Wire Casing)  
691028 LeverControl  
415  
415  
(Magneto Armature)  
337 491055S PlugSpark  
−−−−−− Note −−−−−−  
691043 PlugSpark  
Used on Type No(s).  
0104, 0105, 0113,  
0121, 0122, 0131,  
0146, 0147, 0149,  
0150, 0151, 0152,  
0155, 0156, 0157,  
0158, 0167, 0169,  
0171, 0172, 0173,  
0178, 0179, 0183,  
0186.  
269  
270  
271  
431  
445  
698413 FilterAir Cleaner  
Cartridge  
276 Dz692255 WasherSealing  
300  
(Non Washable)  
697048 Muffler  
Used on Type No(s).  
455  
695113 CupFlywheel  
Used on Type No(s).  
0101, 0105, 0115,  
0117, 0119, 0123,  
0124, 0125, 0127,  
0128, 0134, 0136,  
0138, 0139, 0141,  
0142, 0144, 0145,  
0147, 0149, 0150,  
0151, 0153, 0157,  
0159, 0161, 0162,  
0166, 0168, 0170,  
0171, 0176, 0179,  
0184, 0185, 0187,  
0188, 0190, 0191.  
695128 PlatePawl Friction  
0117, 0119, 0120,  
0129, 0134, 0139,  
0140, 0141, 0143,  
0144, 0145, 0146,  
0147, 0149, 0150,  
0151, 0153, 0154,  
0159, 0161, 0162,  
0166, 0168, 0172,  
0176, 0178, 0180,  
0184, 0185, 0186,  
0187, 0188, 0190,  
0191, 0192, 0195,  
0198, 0199.  
356  
356A  
356B  
356C  
357  
697397 WireStop  
398808 WireStop  
697089 WireStop  
399222 WireStop  
691483 KeyDrive Pulley  
Used on Type No(s).  
0156, 0171.  
697151 Gasket SetEngine  
691077 Washer  
(Ground Terminal)  
19203 PullerFlywheel  
691612 Nut  
(Ground Terminal)  
89838S WrenchSpark Plug  
694476 Screw  
(Fuel Pump)  
690297 Screw  
358  
359  
363  
373  
456  
459 281505S PawlRatchet  
474A  
300A  
697349 Muffler  
Used on Type No(s).  
0115, 0133, 0136,  
0137, 0138, 0142,  
0143, 0157, 0164,  
0165, 0170, 0171,  
0179.  
696578 Alternator  
383  
385  
(DC Only)  
Used on Type No(s).  
0140, 0143, 0145,  
0162, 0164.  
385A  
387  
(Fuel Pump)  
474B  
696459 Alternator  
300B 498984S Muffler  
697090 PumpFuel  
(Includes Mounting  
Bracket)  
Used on Type No(s).  
(Dual Circuit)  
0121, 0122, 0173.  
698473 HousingBlower  
(Black)  
Used on Type No(s).  
0101, 0104, 0105,  
0119, 0120, 0121,  
0122, 0123, 0124,  
0125, 0128, 0131,  
0147, 0150, 0152,  
0153, 0155, 0158,  
0159, 0169, 0172,  
0173, 0178, 0183,  
0185, 0186, 0187,  
0191.  
304  
Used on Type No(s).  
0115, 0121, 0122,  
0133, 0137, 0139,  
0140, 0141, 0142,  
0143, 0144, 0145,  
0147, 0149, 0150,  
0151, 0153, 0154,  
0157, 0159, 0161,  
0162, 0164, 0165,  
0166, 0170, 0172,  
0173, 0178, 0179,  
0185, 0186, 0187,  
0188, 0189, 0190,  
0191, 0195, 0197,  
0199.  
−−−−−− Note −−−−−−  
699085 Housing−  
Blower  
(Red)  
305  
697102 Screw  
(Blower Housing)  
697103 Screw  
(Blower Housing)  
697359 ShieldCylinder  
691003 Screw  
(Cylinder Shield)  
693551 MotorStarter  
690323 Screw  
(Starter Motor)  
305A  
306  
307  
309  
310  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506914  
Assemblies include all parts shown in frames.  
02/07/2008  
14  
 
21A900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
474C  
696457 Alternator  
(5 To 9 Amp  
523  
699908 Dipstick  
584  
794682 CoverBreather  
524 K691032 SealDipstick Tube  
Passage  
Regulated)  
Used on Type No(s).  
525  
697184 TubeDipstick  
−−−−−− Note −−−−−−  
(Used After Code Date  
07071800).  
0113, 0129, 0133,  
0137, 0146, 0154,  
0156, 0157, 0167,  
0176, 0179, 0180,  
0190, 0192, 0198,  
0199.  
(Use With Liquid  
Sealant Reference  
850)  
−−−−−− Note −−−−−−  
697112 Cover−  
Breather Passage  
(Used Before Code  
Date 07071900).  
697085 TubeDipstick  
Used on Type No(s).  
0115, 0121, 0122,  
0133, 0137, 0139,  
0140, 0141, 0142,  
0143, 0144, 0145,  
0147, 0149, 0150,  
0151, 0153, 0154,  
0157, 0159, 0161,  
0162, 0164, 0165,  
0166, 0170, 0173,  
0178, 0179, 0185,  
0187, 0188, 0189,  
0191, 0197, 0199.  
474D  
501A  
696458 Alternator  
(10 To 16 Amp  
Regulated)  
Used on Type No(s).  
0115, 0165, 0189,  
0197.  
597  
691696 Screw  
(Pawl Friction Plate)  
791850 ClampHose  
691038 ClampHose  
695058 StarterRewind  
691416 Screw  
(Muffler)  
601  
601A  
608  
691188 Regulator  
(5 To 9 Amp  
Regulated)  
613  
526A  
697088 Screw  
Used on Type No(s).  
0113, 0129, 0133,  
0137, 0146, 0154,  
0156, 0157, 0167,  
0179, 0180, 0192,  
0195, 0198, 0199.  
(Regulator)(5 To 9  
Amp Regulated)  
697348 Screw  
792167 ClampTube  
692034 ArmatureStarter  
697144 BushingGovernor  
Crank  
613A  
613B  
691678 Screw  
(Muffler)  
690297 Screw  
(Muffler)  
691620 PinCotter  
692012 CrankGovernor  
526B  
527  
544  
614  
616  
552  
501B  
698315 Regulator  
617 KD692138 SealO Ring  
(5 To 9 Amp  
Regulated)  
Used on Type No(s).  
0176.  
559  
697561 Screw  
(Intake Manifold)  
692310 SwitchStop  
Used on Type No(s).  
(Remote Choke Stop)  
Used on Type No(s).  
0142, 0166, 0170,  
0185.  
621  
0101, 0105, 0119,  
0120, 0134, 0138,  
0139, 0140, 0141,  
0142, 0144, 0145,  
0147, 0149, 0150,  
0151, 0154, 0156,  
0157, 0159, 0161,  
0166, 0168, 0176,  
0179, 0180, 0184,  
0192, 0195, 0198,  
0199.  
501C  
501D  
790292 Regulator  
(Dual Circuit)  
Used on Type No(s).  
0147, 0150.  
559A  
562  
693675 Screw  
(Remote Choke Stop)  
Used on Type No(s).  
0170, 0185.  
691185 Regulator  
(10 To 16 Amp  
Regulated)  
Used on Type No(s).  
0115, 0165, 0189,  
0197.  
691119 Bolt  
(Governor Control  
Lever)  
692306 Wire Assembly  
691029 Nut  
578  
579  
505  
691251 Nut  
(Starter Cable)  
633  
690597 SealChoke/Throttle  
Shaft  
(Governor Control  
Lever)  
691972 Insulator  
693699 DriveStarter  
692024 ClutchDrive  
691084 TerminalGround  
690581 ShieldCable  
Used on Type No(s).  
0121, 0122, 0123,  
Used on Type No(s).  
0142, 0166.  
507  
510  
513  
520  
521  
634 D690802 Spring/Seal Assembly  
(Walbro)  
634A D698779 Spring/Seal Assembly  
(Nikki)  
635  
643  
654  
691909 BootSpark Plug  
697155 RetainerAir Filter  
690958 Nut  
0124, 0125, 0127,  
0128, 0172, 0173,  
0178, 0186.  
(Carburetor)  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506915  
Assemblies include all parts shown in frames.  
02/07/2008  
15  
 
21A900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
676  
393761 DeflectorMuffler  
(Side Out)  
757  
758  
697607 LinkCounterweight  
697391 Counterweight  
(Used After Code Date  
05100200).  
843  
697158 SleeveLever  
Used on Type No(s).  
0139, 0140, 0142,  
0166.  
790442 Dipstick/Tube  
Used on Type No(s).  
0101, 0105, 0115,  
0117, 0119, 0120,  
0121, 0122, 0134,  
0136, 0137, 0138,  
0139, 0140, 0141,  
0142, 0144, 0145,  
0147, 0149, 0150,  
0151, 0153, 0154,  
0157, 0159, 0161,  
0162, 0166, 0168,  
0172, 0173, 0176,  
0179, 0180, 0184,  
0185, 0186, 0187,  
0188, 0191, 0192,  
0195, 0198, 0199.  
396903 DeflectorMuffler  
(Side Out)  
847  
−−−−−− Note −−−−−−  
795940 Counterweight  
(Used Before Code  
Date 05100300).  
Must Use Kit 795940,  
Includes Sump And  
Counterweight.  
795957 Counterweight  
(Used Before Code  
Date 05100300).  
Used on Type No(s).  
0101, 0105, 0115,  
0119, 0121, 0122,  
0129, 0156, 0157,  
0165, 0172, 0173,  
0176, 0178, 0179,  
0180, 0186, 0187,  
0188, 0189, 0190,  
0191, 0192, 0195,  
0197, 0198, 0199.  
Must Use Kit 795957,  
Includes Sump And  
Counterweight.  
Assembly  
−−−−−− Note −−−−−−  
790443 Dipstick/Tube  
Assembly  
Used on Type No(s).  
0115, 0121, 0122,  
0133, 0137, 0139,  
0140, 0141, 0142,  
0143, 0144, 0145,  
0147, 0149, 0150,  
0151, 0153, 0154,  
0157, 0159, 0161,  
0162, 0164, 0165,  
0166, 0170, 0173,  
0178, 0179, 0185,  
0187, 0188, 0189,  
0191, 0197, 0199.  
676A  
Used on Type No(s).  
0178.  
690661 Screw  
677  
687  
850  
100100 SealantLiquid  
(Muffler Deflector)  
697175 SlideControl  
Used on Type No(s).  
0139, 0140, 0142,  
0166.  
690395 CapFriction  
Used on Type No(s).  
0139, 0140, 0142,  
0166.  
691855 SpringFriction  
690529 SpringFriction  
Used on Type No(s).  
0139, 0140, 0142,  
0166.  
(Rocker Cover Gasket  
and Breather Gasket)  
(Used After Code Date  
07071800).  
851  
864  
692424 TerminalSpark Plug  
697346 AdapterMuffler  
688  
759  
783  
789  
789A  
797  
697392 PinCounterweight  
693713 GearPinion  
698329 HarnessWiring  
790544 HarnessWiring  
693167 Nut  
868 KΔ690968 SealValve  
877  
877A  
877B  
393456 Wire/Connector−  
Alternator  
(Dual Circuit)  
393814 Wire/Connector−  
Alternator  
(DC Only)  
393537 Wire/Connector−  
Alternator  
(5 To 9 Amp  
Regulated)  
399916 Wire/Connector−  
Alternator  
689  
689A  
(Brush Retainer)  
801  
802  
803  
691283 CapDrive  
691286 CapEnd  
HousingStarter  
(Not Serviced  
Separately, Order  
Starter Motor 693551)  
698941 Screw  
691 K692407 SealGovernor Shaft  
692  
697  
691301 SpringDetent  
690372 Screw  
(Drive Cap)  
790561 Nut  
877C  
705  
823  
(Fuel Tank)  
(10 To 16 Amp  
Regulated)  
(Muffler Adapter)  
718  
729  
690959 PinLocating  
691335 ClipWire  
(Wire Retainer)  
691224 ClipWire  
(Starter Motor)  
694123 ClipWire  
697128 GearTiming  
790832 Screw  
830  
832  
691095 StudRocker Arm  
790293 GuardMuffler  
Used on Type No(s).  
0147, 0149, 0150,  
0151, 0184.  
729A  
729B  
741  
750  
836  
690367 ScrewMuffler Guard  
842 K691031 SealO Ring  
(Dipstick Tube)  
(Oil Pump Cover)  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506916  
Assemblies include all parts shown in frames.  
02/07/2008  
16  
 
21A900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
878  
398661 HarnessAlternator  
968  
697420 CoverAir Cleaner  
(Black)  
1040  
1040A  
1044  
698368 PlateTrim  
Used on Type No(s).  
883 K692236 GasketExhaust  
884  
691956 ClampMuffler  
Used on Type No(s).  
0121, 0122, 0173.  
691108 Screw  
(Rocker Cover)  
791851 HoseVacuum  
(Molded)  
691656 SolenoidStarter  
Used on Type No(s).  
0147, 0150, 0172,  
0186.  
−−−−−− Note −−−−−−  
697422 CoverAir  
Cleaner  
0104, 0113, 0121,  
0122, 0133, 0137,  
0140, 0143, 0152,  
0155, 0158, 0164,  
0167, 0169, 0172,  
0173, 0178, 0186.  
(Red)  
914  
918  
920  
972  
975  
792168 TankFuel  
(Plastic)  
495933 BowlFloat  
(Walbro)  
698783 BowlFloat  
(Nikki)  
690192 Gasket SetCarburetor  
790032 Gasket SetCarburetor  
(Nikki)  
697381 PlateTrim  
Used on Type No(s).  
0101, 0105, 0119,  
0120, 0129, 0131,  
0154, 0156, 0165,  
0180, 0183, 0189,  
0189, 0192, 0195,  
0197, 0198, 0199.  
975A  
977  
977A  
943 K690589 SealO Ring  
(Oil Pump Cover)  
691657 ScrewFloat Bowl  
950  
957  
958  
987 D691326 SealThrottle Shaft  
987A D698777 SealThrottle Shaft  
(Nikki)  
1005  
1005A  
1005B  
698139 Screw  
(Bottom Of Bowl)  
792647 CapFuel Tank  
(Plastic)  
698183 ValveFuel Shut Off  
(Plastic)  
(Flywheel)  
691265 RingRetaining  
280275 TieCable  
276344 ManualOperator’s  
−−−−−− Note −−−−−−  
MS3787 Manual−  
Operator’s  
1051  
1054  
1058  
794439 FanFlywheel  
(Used After Code Date  
07040800).  
794440 FanFlywheel  
Used on Type No(s).  
0141, 0144, 0146,  
0154, 0156, 0157,  
0159, 0161, 0167,  
0171, 0172, 0179,  
0185, 0186, 0190,  
0191.  
(Used Before Code  
Date 07040900).  
FanFlywheel  
(No Longer Available)  
(See Reference1005A  
For Service Flywheel  
Fan).  
Used on Type No(s).  
0101, 0134, 0164,  
0165, 0170, 0189,  
0197.  
MS3788 Manual−  
Operator’s  
965  
967  
499613 CoverOil Pump  
697292 FilterPre Cleaner  
1017  
690770 ScreenOil Pump  
Used on Type No(s).  
0105, 0191.  
698516 KitScrew/Washer  
1022KΔ272475S GasketRocker Cover  
(Used Before Code  
Date 07091000).  
1059  
1070  
690372 Screw  
(After Date Code Use  
liquid Sealant  
(Flywheel Fan)  
(Used Before Code  
Date 07040900).  
690363 Screw  
Reference 850)  
1023  
1024  
794659 CoverRocker  
499054 PumpOil  
(Used Before Code  
Date 07051700).  
794644 PumpOil  
(Used After Code Date  
07051600).  
1070A  
(Flywheel Fan)  
(Used After Code Date  
07040800).  
1024A  
1026  
1090  
1091  
1095  
1119  
691293 RetainerBrush  
691333 CapLimiter  
691581 Gasket SetValve  
691183 Screw  
(Alternator)  
695407 Screw  
697395 RodPush  
(Exhaust)  
−−−−−− Note −−−−−−  
697394 RodPush  
(Intake)  
1127  
1136  
(Float Bowl)  
690278 Screw  
1027 492932S FilterOil  
(Control Bracket)(High  
Speed Control)  
Used on Type No(s).  
0139, 0140, 0142,  
0166.  
1029  
1034  
1036  
691751 ArmRocker  
690822 GuidePush Rod  
LabelEmissions  
(Available From A  
Briggs & Stratton  
1146  
793380 Screw  
Authorized Dealer)  
(Choke Shaft)(Manual  
Choke)  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506917  
Assemblies include all parts shown in frames.  
02/07/2008  
17  
 
21A900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
1263  
1264  
697124 ReedBreather  
697104 Screw  
1267  
697419 LatchBlower Housing  
(Black)  
1270  
697156 PlugAVS  
Counterweight  
794467 LabelWarning  
(Breather Reed)  
−−−−−− Note −−−−−−  
697424 LatchBlower  
Housing  
1319  
1397  
791219 Washer  
1266 KD691917 SealO Ring  
(Intake Elbow)  
(Blower Housing)  
(Red)  
1266A KD697123 SealO Ring  
(Intake Elbow)  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
506918  
Assemblies include all parts shown in frames.  
02/07/2008  
18  
 

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