Briggs & Stratton 21B900 User Manual
Briggs & Stratton Air purifiers
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−5036−06/18/2008
REPLACES FORM MS−5036−03/04/2008
FILE IN SECT. 2 OF SERVICE MANUAL
21B900
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
. . . . . . . . . . . . . . . . . . . . . .