Briggs Stratton Air Cleaner 21B900 User Manual

FORM MS503606/18/2008  
REPLACES FORM MS503603/04/2008  
FILE IN SECT. 2 OF2SE1RVBICE9MA0NU0AL  
Illustrated Parts List  
Model Series  
21B900  
TYPE NUMBERS  
0015 through 0202.  
TABLE OF CONTENTS  
Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . 6  
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Blower Housing . . . . . . . . . . . . . . . . . . . . . 6  
Camshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . 5  
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
Cylinder Head . . . . . . . . . . . . . . . . . . . . . . 4  
Electric Starter . . . . . . . . . . . . . . . . . . . . . . 7  
Engine Sump . . . . . . . . . . . . . . . . . . . . . . . 2  
Fuel Supply . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Flywheel . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Gasket Set Engine . . . . . . . . . . . . . . . . . 4  
Gasket Set Valve . . . . . . . . . . . . . . . . . . 4  
Governor Spring . . . . . . . . . . . . . . . . . . . . 8  
Exhaust System . . . . . . . . . . . . . . . . . . . . 6  
Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Intake Manifold . . . . . . . . . . . . . . . . . . . . . 4  
Kit Carburetor Overhaul . . . . . . . . . . . . 5  
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . 3  
Operator’s Manual . . . . . . . . . . . . . . . . . . 2  
Piston, Rings, Connecting Rod . . . . . . . 3  
Rewind Starter . . . . . . . . . . . . . . . . . . . . . . 7  
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.  
 
21B900  
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.  
50363  
Assemblies include all parts shown in frames.  
06/18/2008  
3
 
21B900  
45  
13  
1026  
5
34  
42  
868  
36  
238  
33  
42  
337  
7
883  
635  
383  
35  
1022  
1034  
830  
51  
617  
1029  
192  
850  
1022  
914  
654  
53  
1023  
14  
51  
50  
50B  
617  
51  
617  
705  
54  
415  
186  
358 ENGINE GASKET SET  
3
7
943  
12  
1022  
1095 VALVE GASKET SET  
868  
20  
51  
691  
7
842  
868  
1266  
1022  
524  
617  
1266A  
9
883  
51  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50364  
Assemblies include all parts shown in frames.  
06/18/2008  
4
 
21B900  
125A  
141A  
634A  
231  
141  
131  
131A  
117  
118  
108A  
130A  
95A  
130  
95  
634  
108  
987  
93  
987A  
98A  
98  
94A  
51  
1091  
94  
51  
105A  
104A  
127A  
133A  
143  
1091  
142  
LMT / PART  
NUMBER  
LOCATIONS  
127  
106  
105  
133  
104  
135A  
137A  
975A  
137A  
975  
137  
276A  
947A  
276  
950  
1127  
WALBRO  
NIKKI  
121ACARBURETOR OVERHAUL KIT  
51  
105A  
987A  
137A  
121 CARBURETOR OVERHAUL KIT  
95A  
127A  
276A  
1266  
51  
987  
137  
104  
617  
105  
617  
142  
106  
104A  
1266A  
1266  
634A  
93  
95  
634  
1266A  
127  
276  
977ACARBURETOR GASKET SET  
137A  
977 CARBURETOR GASKET SET  
276A  
51  
51  
137  
276  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50365  
Assemblies include all parts shown in frames.  
06/18/2008  
5
 
21B900  
1036 EMISSIONS LABEL  
1040  
1040A  
304  
305A  
305  
643  
1267  
967  
445  
968  
431  
1266A  
1266  
676  
676A  
864  
883  
677  
677  
300G  
883  
300A  
883  
613A  
823  
613B  
613  
613  
81  
81  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50366  
Assemblies include all parts shown in frames.  
06/18/2008  
6
 
21B900  
949  
563  
415A  
1005A  
493  
73A  
75  
74  
73  
1070A  
78  
1005  
37  
1044  
1070  
455  
1005B  
363  
23  
1051  
783  
23A  
78A  
37A  
608  
55  
729B  
729A  
697  
65  
309  
801  
544  
58  
1051  
510  
57  
60  
56  
783  
513  
310  
803  
459  
689  
456  
1090  
311  
579  
797  
802  
597  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50367  
Assemblies include all parts shown in frames.  
06/18/2008  
7
 
21B900  
521  
187  
601  
187A  
601  
1054  
240A  
240  
356  
187B  
387  
385A  
387A  
356A  
527  
387A  
385  
788  
601  
356B  
356C  
527A  
385  
187C  
601  
729  
972  
957  
187B  
789  
601  
958  
918  
601  
601A  
789A  
789B  
729  
334  
333  
851  
203  
920  
205  
616  
227  
562  
404  
614  
505  
621  
507  
520  
359  
373  
188  
222  
268  
269  
270  
216  
209  
271  
265  
267  
216A  
202  
559  
559A  
232  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
50368  
Assemblies include all parts shown in frames.  
06/18/2008  
8
 
21B900  
DUAL  
TRI  
10 16 AMP  
DC ONLY  
1059  
CIRCUIT  
CIRCUIT  
474D  
877C  
1059  
1059  
1059  
474A  
474B  
877  
474C  
877B  
877A  
578  
578  
578  
878  
526A  
526A  
501C  
526B  
501D  
526B  
501B  
501A  
1119  
NOTE: All stators use a No.  
mounting screw.  
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.  
50369  
Assemblies include all parts shown in frames.  
06/18/2008  
9
 
21B900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
1
2
697377 Cylinder Assembly  
399265 KitBushing/Seal  
(Magneto Side)  
5
792964 HeadCylinder  
23  
698281 Flywheel  
Used on Type No(s).  
7KΔ273280S GasketCylinder Head  
9
0026, 0036, 0038,  
0120, 0121, 0124,  
0129, 0131, 0132,  
0138, 0140, 0141,  
0146, 0147, 0149,  
0152, 0153, 0159,  
0163, 0183, 0190,  
0193, 0203.  
−−−−−− Note −−−−−−  
693556 Flywheel  
Used on Type No(s).  
0020, 0127, 0157,  
0192, 0194, 0198,  
0202.  
693557 Flywheel  
Used on Type No(s).  
0028, 0126, 0154,  
0156, 0164.  
698282 Flywheel  
Used on Type No(s).  
0110, 0119, 0123,  
0130, 0136, 0155,  
0195, 0197.  
K697109 GasketBreather  
(Used Before Code  
Date 07071900).  
3 K391086S SealOil  
(Magneto Side)  
697106 SumpEngine  
4
(After Date Code Use  
Liquid Sealant  
Reference 850)  
(Used After Code Date  
05100200).  
−−−−−− Note −−−−−−  
795940 SumpEngine  
(Used Before Code  
Date 05100200).  
Must Use Kit 795940,  
Includes Sump And  
Counterweight.  
10  
11  
697157 Screw  
(Breather Assembly)  
794683 TubeBreather  
(Used After Code Date  
07071800).  
−−−−−− Note −−−−−−  
697113 TubeBreather  
(Used Before Code  
Date 07071900).  
4A  
697188 SumpEngine  
(Used After Code Date  
05100200).  
12 K697110 GasketCrankcase  
Used on Type No(s).  
0016, 0036, 0038,  
0110, 0114, 0116,  
0117, 0119, 0120,  
0123, 0124, 0126,  
0127, 0129, 0130,  
0136, 0138, 0141,  
0142, 0146, 0147,  
0149, 0152, 0155,  
0156, 0157, 0163,  
0183, 0190, 0193,  
0194, 0195, 0197,  
0198, 0202.  
−−−−−− Note −−−−−−  
795957 SumpEngine  
(Used Before Code  
Date 05100200).  
Used on Type No(s).  
0016, 0036, 0038,  
0110, 0114, 0116,  
0117, 0119, 0120,  
0123, 0124, 0126,  
0127, 0129, 0130,  
0136, 0138, 0141,  
0142, 0146, 0147,  
0149, 0152, 0155,  
0156, 0157, 0163,  
0183, 0190, 0193,  
0194, 0195, 0197,  
0198, 0202.  
(.015” Thick)  
(Standard)  
13  
14  
15  
16  
690360 Screw  
(Cylinder Head)  
790560 Stud  
(Cylinder Head)  
690946 PlugOil Drain  
(3/8” Standard)  
23A  
693555 Flywheel  
(Rewind Starter)  
Used on Type No(s).  
0015, 0016, 0117,  
0142.  
−−−−−− Note −−−−−−  
698283 Flywheel  
(Rewind Starter)  
Used on Type No(s).  
0022, 0116.  
697390 Crankshaft  
20 K791892 SealOil  
(PTO Side)  
22  
692125 Screw  
(Crankcase  
Cover/Sump)  
Must Use Kit 795957,  
Includes Sump And  
Counterweight.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
503610  
Assemblies include all parts shown in frames.  
06/18/2008  
10  
 
21B900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
24 222698S KeyFlywheel  
51KDzΔ692137 GasketIntake  
81  
691178 LockMuffler Screw  
25  
792305 Piston Assembly  
(Standard)  
53  
54  
55  
690227 Stud  
(Carburetor)  
691148 Screw  
(Intake Manifold)  
695130 HousingRewind  
Starter  
93 D690602 BushingThrottle Shaft  
(Walbro)  
498030 KitIdle Mixture  
(Walbro)  
793610 KitIdle Mixture  
(Nikki)  
−−−−−− Note −−−−−−  
792728 Piston  
Assembly  
94  
94A  
(.020” Oversize)  
792306 Ring Set  
(Standard)  
26  
27  
56  
57  
58  
60  
65  
695129 PulleyStarter  
695131 SpringRewind Starter  
695132 RopeStarter  
493926 GripStarter Rope  
690759 Screw  
95 D691636 Screw  
(ThrottleValve)  
(Walbro)  
−−−−−− Note −−−−−−  
792643 Ring Set  
(.020” Oversize)  
95A D690718 Screw  
(Throttle Valve)(Nikki)  
98  
698469 LockPiston Pin  
(Used After Code Date  
02100300).  
(Rewind Starter)  
495800 KitIdle Speed  
(Walbro)  
(Used After Code Date  
07040800).  
−−−−−− Note −−−−−−  
698138 LockPiston  
Pin  
(Used Before Code  
Date 02100400).  
−−−−−− Note −−−−−−  
697725 Screw  
(Rewind Starter)  
(Used Before Code  
Date 07040900).  
ScreenRotating  
(Service With Flywheel  
Fan 794440)  
98A  
695408 KitIdle Speed  
(Nikki)  
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  
(Walbro)(Pump Feed)  
Used on Type No(s).  
0015, 0016, 0022,  
0026, 0028, 0029,  
0036, 0038, 0117,  
28  
29  
697099 PinPiston  
791633 RodConnecting  
(Standard)  
73  
−−−−−− Note −−−−−−  
697262 Rod−  
Connecting  
(.020” Undersize)  
(Used Before Code  
Date 05040400).  
(Used Before Code  
Date 07040900).  
794437 ScreenRotating  
(Used After Code Date  
07040800).  
73A  
74  
697897 Screw  
32  
791118 Screw  
(Rotating Screen)  
(Used Before Code  
Date 07040900).  
690582 Washer  
(Flywheel)  
691003 Screw  
(Flywheel Guard)  
690364 Screw  
(Connecting Rod)  
695760 ValveExhaust  
695761 ValveIntake  
691279 SpringValve  
(Intake)  
691279 SpringValve  
(Exhaust)  
697352 GuardFlywheel  
697626 GuardFlywheel  
(Electric Start)  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0114, 0116,  
0117, 0121, 0142,  
0192, 0194, 0202.  
499586 KeeperValve  
691968 SlingerGovernor/Oil  
690564 TappetValve  
793880 Camshaft  
697361 ManifoldIntake  
795756 ManifoldIntake  
Used on Type No(s).  
0015G1, 0016G1,  
0026G1, 0029G1,  
0036G1, 0153, 0154,  
0159, 0202G1, 0203.  
33  
34  
35  
75  
78  
36  
0124, 0127, 0129,  
0140, 0152, 0156,  
0157, 0194, 0197,  
0202.  
78A  
37  
37A  
(Flywheel Guard)  
(Electric Start)  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0114, 0116,  
0117, 0121, 0142,  
0192, 0194, 0202.  
108  
691227 ValveChoke  
(Walbro)  
698773 ValveChoke  
(Nikki)  
108A  
42  
43  
45  
46  
50  
50B  
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.  
503611  
Assemblies include all parts shown in frames.  
06/18/2008  
11  
 
21B900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
117  
794352 JetMain  
(Standard)(Nikki)  
125A  
794294 Carburetor  
(Nikki With Solenoid)  
127 D694524 PlugWelch  
(Walbro)  
(Used After Code Date  
07011400).  
Used on Type No(s).  
0110, 0114, 0116,  
0119, 0120, 0121,  
0123, 0126, 0130,  
0136, 0137, 0139,  
0146, 0147, 0149,  
0153, 0155, 0159,  
0163, 0164, 0183,  
0190, 0192, 0193,  
0195, 0198, 0203.  
−−−−−− Note −−−−−−  
790023 Carburetor  
(Nikki With Solenoid)  
Used on Type No(s).  
0020, 0117, 0124,  
0127, 0129, 0131,  
0132, 0138, 0141,  
0142, 0152, 0154,  
0156, 0157, 0194,  
0197, 0202.  
794653 Carburetor  
(Used After Code Date  
07122500).  
(Nikki Without  
Solenoid)  
Used on Type No(s).  
0015E1, 0016E1,  
0022, 0026E1, 0028,  
0029E1, 0036B1,  
0036E1, 0038, 0140.  
791266 Carburetor  
(Nikki Without  
127A D690727 PlugWelch  
(Nikki)  
790024 ValveThrottle  
−−−−−− Note −−−−−−  
699897 JetMain  
(Standard)(Nikki)  
(Used Before Code  
Date 07011500).  
796079 JetMain  
(Standard)(Nikki)  
Used on Type No(s).  
0015G1, 0016G1,  
0026G1, 0029G1,  
0036G1.  
130  
(Walbro)  
(Used After Code Date  
04100300).  
−−−−−− Note −−−−−−  
690468 ValveThrottle  
(Walbro)  
(Used Before Code  
Date 04100400).  
698774 ValveThrottle  
130A  
131  
(Nikki)  
118  
699898 JetMain  
790901 KitThrottle Shaft  
(Walbro)  
(High Altitude)(Nikki)  
−−−−−− Note −−−−−−  
796080 JetMain  
(High Altitude)(Nikki)  
Used on Type No(s).  
0015G1, 0016G1,  
0026G1, 0029G1,  
0036G1.  
131A  
133  
698776 KitThrottle Shaft  
(Nikki)  
494381 FloatCarburetor  
(Walbro)  
133A  
135A  
694914 FloatCarburetor  
(Nikki)  
698780 TubeFuel Transfer  
(Nikki)(Gravity Feed)  
−−−−−− Note −−−−−−  
792022 TubeFuel  
Transfer  
121  
790031 KitCarburetor  
Overhaul  
(Walbro)  
698787 KitCarburetor  
Overhaul  
121A  
(Nikki)(Pump Feed)  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0117, 0124, 0127,  
0129, 0131, 0132,  
0138, 0140, 0141,  
0142, 0152, 0156,  
0157, 0194, 0197,  
0202.  
(Nikki)  
Solenoid)  
(Used Before Code  
Date 07122600).  
Used on Type No(s).  
0015, 0016, 0022,  
0026, 0028, 0029,  
0036, 0038, 0140.  
796077 Carburetor  
(Nikki With Solenoid)  
Used on Type No(s).  
0015G1, 0016G1,  
0026G1, 0029G1,  
0036G1.  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
503612  
Assemblies include all parts shown in frames.  
06/18/2008  
12  
 
21B900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
137Dz281165S GasketFloat Bowl  
202  
691841 LinkMechanical  
Governor  
691381 CrankBell  
Used on Type No(s).  
0020, 0028.  
691693 Screw  
(Bell Crank)  
792602 SpringGovernor  
(Red)  
240 298090S FilterFuel  
(Red, 150 Microns)  
(Walbro)  
137A Dz698781 GasketFloat Bowl  
(Nikki)  
203  
Used on Type No(s).  
0110.  
141  
790902 KitChoke Shaft  
(Walbro)  
−−−−−− Note −−−−−−  
394358Ss FilterFuel  
(White, 75 Microns)  
Used on Type No(s).  
0114, 0116, 0119,  
0120, 0121, 0123,  
0126, 0130, 0136,  
0137, 0139, 0146,  
0147, 0149, 0153,  
0159, 0155, 0163,  
0164, 0183, 0190,  
0192, 0193, 0195,  
0198, 0203.  
205  
209  
141A  
698778 KitChoke Shaft  
(Nikki)  
142 D790025 NozzleCarburetor  
(Standard)(Walbro)  
(Used After Code Date  
04100300).  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0116, 0117, 0119,  
0120, 0126, 0127,  
0129, 0130, 0136,  
0140, 0142, 0146,  
0147, 0152, 0153,  
0154, 0155, 0156,  
0163, 0183, 0190,  
0194, 0195, 0198,  
0203.  
−−−−−− Note −−−−−−  
697491 Nozzle−  
Carburetor  
(Standard)(Walbro)  
(Used Before Code  
Date 04100400).  
240A  
691035 FilterFuel  
143 D790028 NozzleCarburetor  
(High Altitude)(Walbro)  
(Used After Code Date  
04100300).  
(Clear, 40 Microns)  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0117, 0124, 0127,  
0129, 0131, 0132,  
0138, 0140, 0141,  
0142, 0152, 0154,  
0156, 0157, 0194,  
0197, 0202.  
−−−−−− Note −−−−−−  
792813 Spring−  
Governor  
−−−−−− Note −−−−−−  
697492 Nozzle−  
Carburetor  
(Brown)  
(High Altitude)(Walbro)  
(Used Before Code  
Date 04100400).  
Used on Type No(s).  
0110, 0114, 0121,  
0123, 0124, 0137,  
0138, 0141, 0157,  
0192, 0197, 0202.  
692208 Spring−  
Governor  
146  
186  
187  
691639 KeyTiming  
794873 ConnectorHose  
791805 LineFuel  
(Formed)(101/4  
265  
267  
691024 ClampCasing  
794904 Screw  
(Casing Clamp)  
Inches Long)(Cut To  
Required Length)  
791806 LineFuel  
(Formed)(21 Inches  
Long)(Cut To Required  
Length)  
(Green)  
268  
269  
691025 CasingControl Wire  
(Cut To Required  
Length)  
691026 WireControl  
(Cut To Required  
Length)  
Used on Type No(s).  
0131, 0132, 0139,  
0149, 0159, 0164,  
0193.  
187A  
216  
216A  
691840 LinkChoke  
691281 LinkChoke  
Used on Type No(s).  
0020, 0022, 0028,  
0038.  
694042 BracketControl  
691374 LeverGovernor  
Control  
187B  
187C  
791766 LineFuel  
(15 Inches Long)(Cut  
To Required Length)  
791745 LineFuel  
(23 Inches Long)(Cut  
To Required Length)  
691693 Screw  
270  
271  
691027 Nut  
(Control Wire Casing)  
691028 LeverControl  
276 Dz692255 WasherSealing  
(Walbro)  
276A Dz695410 WasherSealing  
(Nikki)  
222  
227  
188  
192  
(Control Bracket)  
691986 AdjusterRocker Arm  
231  
691636 Screw  
(Choke Valve)  
232  
238  
691842 SpringGovernor Link  
691843 CapValve  
239 491657S SwitchOil Pressure  
Used on Type No(s).  
0142, 0157, 0202.  
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.  
503613  
Assemblies include all parts shown in frames.  
06/18/2008  
13  
 
21B900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
300A  
697349 Muffler  
Used on Type No(s).  
356  
356A  
356B  
356C  
357  
697397 WireStop  
398808 WireStop  
697089 WireStop  
399222 WireStop  
691483 KeyDrive Pulley  
Used on Type No(s).  
0119, 0127, 0130,  
0136, 0155, 0156,  
0195, 0198.  
697151 Gasket SetEngine  
691077 Washer  
(Ground Terminal)  
Used on Type No(s).  
0119, 0127.  
455  
695113 CupFlywheel  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0117, 0121, 0126,  
0127, 0129, 0140,  
0142, 0152, 0156,  
0157, 0194.  
0015, 0016, 0020,  
0022, 0028, 0029,  
0114, 0117, 0121,  
0126, 0127, 0137,  
0138, 0139, 0141,  
0142, 0146, 0154,  
0156, 0157, 0164,  
0192, 0194, 0202.  
358  
359  
300G  
304  
794660 Muffler  
Used on Type No(s).  
0110, 0116, 0120,  
0123, 0124, 0138,  
0141, 0146, 0154,  
0192, 0197, 0202.  
698473 HousingBlower  
(Black)  
456  
695128 PlatePawl Friction  
459 281505S PawlRatchet  
474A  
696578 Alternator  
(DC Only)  
Used on Type No(s).  
0120, 0131, 0132,  
0146.  
363  
373  
19203 PullerFlywheel  
691612 Nut  
(Ground Terminal)  
Used on Type No(s).  
0119, 0127.  
−−−−−− Note −−−−−−  
699085 Housing−  
Blower  
474B  
696459 Alternator  
383  
385  
89838S WrenchSpark Plug  
694476 Screw  
(Fuel Pump)  
690297 Screw  
(Dual Circuit)  
Used on Type No(s).  
0026, 0028, 0029,  
0036, 0038, 0114,  
0121, 0124, 0126,  
0129, 0137, 0138,  
0139, 0140, 0141,  
0147, 0149, 0152,  
0153, 0154, 0159,  
0163, 0164, 0183,  
0190, 0193, 0203.  
(Red)  
305  
697102 Screw  
(Blower Housing)  
697103 Screw  
(Blower Housing)  
697359 ShieldCylinder  
691003 Screw  
(Cylinder Shield)  
693551 MotorStarter  
690323 Screw  
385A  
387  
(Fuel Pump)  
305A  
697090 PumpFuel  
(Includes Mounting  
Bracket)  
306  
307  
Used on Type No(s).  
0015, 0016, 0026,  
0029, 0036, 0117,  
0124, 0127, 0129,  
0131, 0132, 0138,  
0140, 0141, 0142,  
0152, 0154, 0156,  
0157, 0194, 0197,  
0202.  
309  
310  
(Starter Motor)  
474C  
696457 Alternator  
311  
333  
334  
497608 Brush Set  
795315 ArmatureMagneto  
691061 Screw  
(Tri Circuit)  
Used on Type No(s).  
0020, 0110, 0119,  
0123, 0127, 0130,  
0136, 0155, 0156,  
0192, 0194, 0195,  
0197, 0198, 0202.  
(Magneto Armature)  
337 491055S PlugSpark  
387A  
404  
808656 PumpFuel  
691691 Washer  
(Governor Crank)  
690283 Plug  
−−−−−− Note −−−−−−  
691043 PlugSpark  
Used on Type No(s).  
0117, 0119, 0123,  
0124, 0126, 0127,  
0130, 0131, 0132,  
0136, 0138, 0141,  
0142, 0153, 0155,  
0156, 0159, 0164,  
0190, 0194, 0195,  
0198, 0203.  
415  
415A  
474D  
493  
696458 Alternator  
794129 Plug  
(1016 AMP)  
Used on Type No(s).  
0157.  
(Cover/Retainer)  
(Used After Code Date  
07040800).  
695450 BracketMounting  
(Debris Screen Guard)  
Used on Type No(s).  
0116, 0120.  
431  
445  
697122 ElbowIntake  
698413 FilterAir Cleaner  
Cartridge  
(Non Washable)  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
503614  
Assemblies include all parts shown in frames.  
06/18/2008  
14  
 
21B900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
501A  
794360 Regulator  
(5 To 9 Amp  
525  
697184 TubeDipstick  
Used on Type No(s).  
559A  
693675 Screw  
(Remote Choke Stop)  
Regulated)  
Used on Type No(s).  
0110, 0119, 0123,  
0127, 0130, 0136,  
0155, 0156, 0195,  
0197, 0198.  
0110, 0114, 0116,  
0120, 0121, 0123,  
0126, 0130, 0136,  
0137, 0139, 0146,  
0147, 0149, 0153,  
0155, 0159, 0163,  
0164, 0183, 0190,  
0192, 0193, 0195,  
0198, 203.  
−−−−−− Note −−−−−−  
697085 TubeDipstick  
(Used On Engines  
With Fuel Pump)  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0117, 0124, 0127,  
0129, 0131, 0132,  
0138, 0140, 0141,  
0142, 0152, 0154,  
0156, 0157, 0194,  
0197, 0202.  
(Assemble Speed  
Limiter Screw in  
Number ”2” Hole)  
Used on Type No(s).  
0190.  
562  
563  
691119 Bolt  
501B  
698315 Regulator  
(Governor Control  
Lever)  
(5 To 9 Amp  
Regulated)  
Used on Type No(s).  
0020, 0192, 0194,  
0202.  
695449 Screw  
(Debris Screen Guard)  
692306 Wire Assembly  
691029 Nut  
(Starter Cable)  
578  
579  
501C  
501D  
790292 Regulator  
(Dual)  
Used on Type No(s).  
0154.  
584  
794682 CoverBreather  
Passage  
(Used After Code Date  
07071800).  
691185 Regulator  
(10 To 16 Amp  
Regulated)  
Used on Type No(s).  
0157.  
(Use With Liquid  
Sealant Reference  
850)  
−−−−−− Note −−−−−−  
697112 Cover−  
Breather Passage  
(Used Before Code  
Date 07071900).  
505  
507  
691251 Nut  
(Governor Control  
Lever)  
691972 Insulator  
Used on Type No(s).  
0119, 0127.  
693699 DriveStarter  
692024 ClutchDrive  
691084 TerminalGround  
Used on Type No(s).  
0119, 0127.  
690581 ShieldCable  
Used on Type No(s).  
0124, 0137, 0138,  
0139, 0141, 0164,  
0183, 0192.  
526A  
526B  
697088 Screw  
(Regulator)(5 To 9  
Amp Regulated)  
697348 Screw  
597  
691696 Screw  
(Pawl Friction Plate)  
791850 ClampHose  
510  
513  
520  
(Regulator)(5 To 9  
Amp Regulated)  
Used on Type No(s).  
0020, 0157, 0192,  
0194, 0202.  
601  
601A  
608  
691038 ClampHose  
695058 StarterRewind  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0028, 0029,  
0114, 0116, 0117,  
0120, 0121, 0126,  
0127, 0137, 0138,  
0139, 0141, 0142,  
0146, 0154, 0156,  
0157, 0164, 0192,  
0194, 0202.  
691416 Screw  
(Muffler)  
691678 Screw  
(Muffler)  
690297 Screw  
(Muffler)  
521  
527  
698467 ClampTube  
Used on Type No(s).  
0190.  
792167 ClampTube  
Used on Type No(s).  
0020, 0022, 0028,  
0038, 0152, 0154.  
692034 ArmatureStarter  
697144 BushingGovernor  
Crank  
527A  
523  
699908 Dipstick  
524 K691032 SealDipstick Tube  
544  
552  
613  
613A  
613B  
559  
697561 Screw  
(Remote Choke Stop)  
(Assemble Remote/  
Manual Choke Stop  
Screw in ”R” Hole)  
Used on Type No(s).  
0183, 0190.  
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.  
503615  
Assemblies include all parts shown in frames.  
06/18/2008  
15  
 
21B900  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
DESCRIPTION  
614  
616  
691620 PinCotter  
692012 CrankGovernor  
757  
758  
697607 LinkCounterweight  
697391 Counterweight  
(Used After Code Date  
05100200).  
847  
790442 Dipstick/Tube  
Assembly  
Used on Type No(s).  
617 KD692138 SealO Ring  
0110, 0114, 0116,  
0120, 0121, 0123,  
0126, 0130, 0136,  
0137, 0139, 0146,  
0147, 0149, 0153,  
0155, 0159, 0163,  
0164, 0183, 0190,  
0192, 0193, 0195,  
0198, 0203.  
(Intake Manifold)  
−−−−−− 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).  
0016, 0036, 0038,  
0110, 0114, 0116,  
0117, 0119, 0120,  
0123, 0124, 0126,  
0127, 0129, 0130,  
0136, 0138, 0141,  
0142, 0146, 0147,  
0149, 0152, 0155,  
0156, 0157, 0163,  
0183, 0190, 0193,  
0194, 0195, 0197,  
0198, 0202.  
621  
692310 SwitchStop  
Used on Type No(s).  
0119, 0127.  
634 D690802 Spring/Seal Assembly  
(Walbro)  
634A D698779 Spring/Seal Assembly  
(Nikki)  
635  
643  
654  
691909 BootSpark Plug  
697155 RetainerAir Filter  
690958 Nut  
(Carburetor)  
393761 DeflectorMuffler  
(Side Out)  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0123, 0127, 0129,  
0138, 0140, 0141,  
0152, 0154, 0156,  
0157, 0197, 0202.  
396903 DeflectorMuffler  
(Direct Out)  
−−−−−− Note −−−−−−  
790443 Dipstick/Tube  
Assembly  
(Used On Engines  
With Fuel Pump)  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0117, 0124, 0127,  
0129, 0131, 0132,  
0138, 0140, 0141,  
0142, 0152, 0154,  
0156, 0157, 0194,  
0197, 0202.  
676  
676A  
Must Use Kit 795957,  
Includes Sump And  
Counterweight.  
850  
100100 SealantLiquid  
Used on Type No(s).  
0124.  
690661 Screw  
(Muffler Deflector)  
691855 SpringFriction  
(Rocker Cover Gasket  
and Breather Gasket)  
(Used After Code Date  
07071800).  
677  
689  
759  
783  
788  
697392 PinCounterweight  
693713 GearPinion  
699347 BracketFuel Pump  
Used on Type No(s).  
0020, 0022, 0028,  
0038.  
698329 HarnessWiring  
790544 HarnessWiring  
692037 HarnessWiring  
693167 Nut  
851  
864  
793351 TerminalSpark Plug  
697346 AdapterMuffler  
Used on Type No(s).  
0015, 0016, 0020,  
0022, 0026, 0028,  
0029, 0036, 0038,  
0110, 0116, 0117,  
691 K692407 SealGovernor Shaft  
697  
690372 Screw  
(Drive Cap)  
790561 Nut  
(Fuel Tank)  
690959 PinLocating  
691335 ClipWire  
(Wire Retainer)  
691224 ClipWire  
(Starter Motor)  
694123 ClipWire  
697128 GearTiming  
790832 Screw  
705  
789  
789A  
789B  
797  
718  
729  
0120, 0121, 0123,  
0124, 0126, 0127,  
0129, 0138, 0140,  
0141, 0142, 0146,  
0152, 0154, 0156,  
0157, 0192, 0194,  
0197, 0202.  
(Brush Retainer)  
729A  
801  
802  
803  
691283 CapDrive  
691286 CapEnd  
HousingStarter  
729B  
741  
750  
(Not Serviced  
Separately, Order  
Starter Motor 693551)  
698941 Screw  
(Muffler Adapter)  
691095 StudRocker Arm  
(Oil Pump Cover)  
868 KΔ690968 SealValve  
823  
830  
877  
877A  
877B  
393456 Wire/Connector−  
Alternator  
(Dual Circuit)  
393814 Wire/Connector−  
Alternator  
(DC Only)  
393537 Wire/Connector−  
842 K691031 SealO Ring  
(Dipstick Tube)  
Alternator  
(5 To 9 Amp  
Regulated)  
z Included in Carburetor Gasket SetRef. No. 977 or 977A.  
Δ Included in Valve Gasket SetRef. No. 1095.  
K Included in Engine Gasket SetRef. No. 358.  
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.  
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.  
503616  
Assemblies include all parts shown in frames.  
06/18/2008  
16  
 
21B900  
DESCRIPTION  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
REF.  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
877C  
399916 Wire/Connector−  
Alternator  
(10 To 16 Amp  
Regulated)  
398661 HarnessAlternator  
975A  
699502 BowlFloat  
1040  
698368 PlateTrim  
Used on Type No(s).  
0131, 0132, 0159.  
697381 PlateTrim  
(Nikki)  
−−−−−− Note −−−−−−  
698783 BowlFloat  
(Nikki)  
(Used After Code Date  
04100300).  
1040A  
Used on Type No(s).  
0026, 0036, 0038,  
0110, 0119, 0123,  
0124, 0129, 0130,  
0136, 0140, 0147,  
0149, 0152, 0153,  
0155, 0163, 0183,  
0190, 0193, 0195,  
0197, 0198, 0203.  
878  
883 K692236 GasketExhaust  
914  
691108 Screw  
(Rocker Cover)  
791851 HoseVacuum  
Used on Type No(s).  
0015, 0016, 0022,  
0026, 0028, 0029,  
0036, 0038, 0140.  
690192 Gasket SetCarburetor  
(Walbro)  
918  
(Molded)  
Used on Type No(s).  
977  
0015, 0016, 0026,  
0029, 0036, 0117,  
0124, 0127, 0129,  
0131, 0132, 0138,  
0140, 0141, 0142,  
0152, 0154, 0156,  
0157, 0194, 0197,  
0202.  
977A  
790032 Gasket SetCarburetor  
(Nikki)  
1044  
698139 Screw  
(Flywheel)  
691265 RingRetaining  
280275 TieCable  
276344 Operator’s Manual  
698516 KitScrew/Washer  
690372 Screw  
1051  
1054  
1058  
1059  
1070  
987 D691326 SealThrottle Shaft  
987A D698777 SealThrottle Shaft  
1005  
1005A  
1005B  
794439 FanFlywheel  
(Used After Code Date  
07040800).  
794440 FanFlywheel  
(Flywheel Fan)  
(Used Before Code  
Date 07040900).  
920  
691656 SolenoidStarter  
Used on Type No(s).  
0130, 0136, 0154.  
(Used Before Code  
Date 07040900).  
FanFlywheel  
(No Longer Available)  
(See Reference1005A  
For Service Flywheel  
Fan).  
1070A  
690363 Screw  
943 K690589 SealO Ring  
(Oil Pump Cover)  
947A  
949  
(Flywheel Fan)  
(Used After Code Date  
07040800).  
699915 SolenoidFuel  
695448 GuardDebris Screen  
Used on Type No(s).  
0116, 0120.  
691657 ScrewFloat Bowl  
(Bottom Of Bowl)  
792647 CapFuel Tank  
(Plastic)  
1090  
1091  
1095  
1119  
691293 RetainerBrush  
691333 CapLimiter  
691581 Gasket SetValve  
691183 Screw  
(Alternator)  
695407 Screw  
(Float Bowl)  
697124 ReedBreather  
697104 Screw  
1017  
690770 ScreenOil Pump  
1022KΔ272475S GasketRocker Cover  
(Used Before Code  
Date 07091000).  
950  
957  
958  
1127  
(After Date Code Use  
liquid Sealant  
Reference 850)  
698183 ValveFuel Shut Off  
(Plastic)  
1263  
1264  
1023  
1024  
791079 CoverRocker  
499054 PumpOil  
(Used Before Code  
Date 07051700).  
794644 PumpOil  
(Used After Code Date  
07051600).  
(Breather Reed)  
Used on Type No(s).  
0119, 0123, 0124,  
0127, 0129, 0152,  
0155, 0156, 0193,  
0198.  
1266 KD691917 SealO Ring  
(Intake Elbow)  
1266A KD697123 SealO Ring  
(Intake Elbow)  
1024A  
1026  
1267  
697419 LatchBlower Housing  
965  
967  
968  
499613 CoverOil Pump  
697292 FilterPre Cleaner  
697420 CoverAir Cleaner  
(Black)  
697395 RodPush  
(Exhaust)  
(Black)  
−−−−−− Note −−−−−−  
697424 LatchBlower  
Housing  
−−−−−− Note −−−−−−  
697394 RodPush  
(Intake)  
−−−−−− Note −−−−−−  
697422 CoverAir  
Cleaner  
(Red)  
1027 492932S FilterOil  
1270  
1319  
697156 PlugAVS  
Counterweight  
794467 LabelWarning  
1029  
1034  
1036  
691751 ArmRocker  
690822 GuidePush Rod  
LabelEmissions  
(Red)  
972  
975  
792168 TankFuel  
(Plastic)  
495933 BowlFloat  
(Walbro)  
(Available From A  
Briggs & Stratton  
Authorized Dealer)  
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.  
503617  
Assemblies include all parts shown in frames.  
06/18/2008  
17  
 

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