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Briggs & Stratton 21B900 Series Illustrated Parts List
Briggs & Stratton 21B900 Series Illustrated Parts List

Briggs & Stratton 21B900 Series Illustrated Parts List

Briggs & stratton part list
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Illustrated Parts List
Model Series
21B900
TYPE NUMBERS
0015 through 0202.
TABLE OF CONTENTS
Air Cleaner
. . . . . . . . . . . . . . . . . . . . . . . . .
Alternator
. . . . . . . . . . . . . . . . . . . . . . . . . .
Blower Housing
. . . . . . . . . . . . . . . . . . . . .
Camshaft
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Carburetor
. . . . . . . . . . . . . . . . . . . . . . . . . .
Controls
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft
. . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder Head
. . . . . . . . . . . . . . . . . . . . . .
Electric Starter
. . . . . . . . . . . . . . . . . . . . . .
Engine Sump
. . . . . . . . . . . . . . . . . . . . . . .
Fuel Supply
. . . . . . . . . . . . . . . . . . . . . . . . .
Flywheel
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Gasket Set − Engine
Gasket Set − Valve
Governor Spring
. . . . . . . . . . . . . . . . . . . .
Exhaust System
. . . . . . . . . . . . . . . . . . . .
Ignition
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intake Manifold
. . . . . . . . . . . . . . . . . . . . .
Kit − Carburetor Overhaul
Lubrication
. . . . . . . . . . . . . . . . . . . . . . . . .
Operator's Manual
Piston, Rings, Connecting Rod
Rewind Starter
. . . . . . . . . . . . . . . . . . . . . .
Valves
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Label
. . . . . . . . . . . . . . . . . . . . . .
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.
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COPYRIGHT by BRIGGS & STRATTON CORPORATION
FORM MS−5036−06/18/2008
REPLACES FORM MS−5036−03/04/2008
FILE IN SECT. 2 OF SERVICE MANUAL
21B900
PRINTED IN U.S.A.

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Summary of Contents for Briggs & Stratton 21B900 Series

  • Page 1 Illustrated Parts List Model Series 21B900 TYPE NUMBERS 0015 through 0202. TABLE OF CONTENTS Air Cleaner ......
  • Page 2 1058 OPERATOR’S MANUAL Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 5036−2 1319 WARNING LABEL REQUIRED when replacing parts with warning labels affixed. 1024 1024A Assemblies include all parts shown in frames. 1264 1263 1017...
  • Page 3 21B900 1270 Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 5036−3 Assemblies include all parts shown in frames. 06/18/2008...
  • Page 4 1029 1022 1023 1095 VALVE GASKET SET 1022 Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 5036−4 1022 1034 Assemblies include all parts shown in frames. 358 ENGINE GASKET SET 1026 1022 1266...
  • Page 5 LMT / PART NUMBER LOCATIONS WALBRO 121 CARBURETOR OVERHAUL KIT 977 CARBURETOR GASKET SET Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 5036−5 1091 276A 947A 1266 1266A Assemblies include all parts shown in frames. 125A 141A 131A...
  • Page 6 21B900 1036 EMISSIONS LABEL 1040 1040A 305A 1267 1266A 1266 676A 300G 300A 613A 613B Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 5036−6 Assemblies include all parts shown in frames.
  • Page 7 1044 729B 729A 1051 1090 Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 5036−7 1005A 1070 1005B 1051 Assemblies include all parts shown in frames. 415A 1070A 1005 06/18/2008...
  • Page 8 187A 187B 527A 187C 601A 216A Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine. 5036−8 385A 387A 559A Assemblies include all parts shown in frames. 240A 1054 356A 387A 356B 356C 187B...
  • Page 9 DUAL DC ONLY CIRCUIT 1059 474A 474B 877A 526B 501B NOTE: All stators use a No. 1119 NOTE: The proper flywheel part number and/or the alternator magnet size will determine the alternator type or output. See repair instruction manual for additional information. Illustrations cover a range of engines.
  • Page 10 21B900 REF. PART DESCRIPTION 697377 Cylinder Assembly 399265 Kit−Bushing/Seal (Magneto Side) 3 K391086S Seal−Oil (Magneto Side) 697106 Sump−Engine (Used After Code Date 05100200). −−−−−− Note −−−−−− 795940 Sump−Engine (Used Before Code Date 05100200). Must Use Kit 795940, Includes Sump And Counterweight.
  • Page 11 0117, 0121, 0142, 0192, 0194, 0202. Included in Carburetor Gasket Set−Ref. No. 977 or 977A. Δ Included in Valve Gasket Set−Ref. No. 1095. Assemblies include all parts shown in frames. 21B900 REF. PART DESCRIPTION 691178 Lock−Muffler Screw 93 D690602 Bushing−Throttle Shaft (Walbro) 498030 Kit−Idle Mixture...
  • Page 12 21B900 REF. PART DESCRIPTION 794352 Jet−Main (Standard)(Nikki) (Used After Code Date 07011400). −−−−−− Note −−−−−− 699897 Jet−Main (Standard)(Nikki) (Used Before Code Date 07011500). 796079 Jet−Main (Standard)(Nikki) Used on Type No(s). 0015G1, 0016G1, 0026G1, 0029G1, 0036G1. 699898 Jet−Main (High Altitude)(Nikki) −−−−−− Note −−−−−−...
  • Page 13 Used on Type No(s). 0142, 0157, 0202. Included in Carburetor Gasket Set−Ref. No. 977 or 977A. Δ Included in Valve Gasket Set−Ref. No. 1095. Assemblies include all parts shown in frames. 21B900 REF. PART DESCRIPTION 240 298090S Filter−Fuel (Red, 150 Microns) Used on Type No(s).
  • Page 14 21B900 REF. PART DESCRIPTION 300A 697349 Muffler 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. 300G 794660 Muffler Used on Type No(s). 0110, 0116, 0120,...
  • Page 15 Screw in ”R” Hole) Used on Type No(s). 0183, 0190. Included in Carburetor Gasket Set−Ref. No. 977 or 977A. Δ Included in Valve Gasket Set−Ref. No. 1095. Assemblies include all parts shown in frames. 21B900 REF. PART DESCRIPTION 559A 693675 Screw...
  • Page 16 21B900 REF. PART DESCRIPTION 691620 Pin−Cotter 692012 Crank−Governor 617 KD692138 Seal−O Ring (Intake Manifold) 692310 Switch−Stop Used on Type No(s). 0119, 0127. 634 D690802 Spring/Seal Assembly (Walbro) 634A D698779 Spring/Seal Assembly (Nikki) 691909 Boot−Spark Plug 697155 Retainer−Air Filter 690958 Nut (Carburetor) 393761 Deflector−Muffler...
  • Page 17 (Available From A Briggs & Stratton Authorized Dealer) Included in Carburetor Gasket Set−Ref. No. 977 or 977A. Δ Included in Valve Gasket Set−Ref. No. 1095. Assemblies include all parts shown in frames. 21B900 REF. PART DESCRIPTION 1040 698368 Plate−Trim Used on Type No(s).