Briggs & Stratton 21A900 Series Setup guide

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−5069−06/17/2008

REPLACES FORM MS−5069−02/07/08

FILE IN SECT. 2 OF SERVICE MANUAL

21A900

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. . . . . . . . . . . . . . . . . . . . . .

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−2Assemblies include all parts shown in frames. 06/17/2008

307

306

691

718

552

584

1263

1264

750

1027

943

1024

965

44A

1017

415

239

1058 OPERATOR’S MANUAL

REQUIRED when replacing parts

with warning labels affixed.

1319 WARNING LABEL

1024A

850

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−3Assemblies include all parts shown in frames. 06/17/2008

842

524

847

523

525

741

146

357

1270

757

758

759

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−4Assemblies include all parts shown in frames. 06/17/2008

654

617

635

830

1034

1022

883

238

36 868

1022

1023

914

1022

868

1095 VALVE GASKET SET

383

192

1022

943

358 ENGINE GASKET SET

868

691

524

617 883

1266

842

1029

1026

1266A

337

705

617 51

850

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−5Assemblies include all parts shown in frames. 06/17/2008

104

105

106

137

142

987

127

634

276

121 CARBURETOR OVERHAUL KIT

977 CARBURETOR GASKET SET

51 137 276

1266

1266A

950

276

137

104

105

142 1091

987

130

LMT / PART

NUMBER

LOCATIONS 106

125

131

133

975

WALBRO

143

633

108

141B

692

127

634 108

141

See text

for correct

Choke

Shaft Kit.

141

See text

for correct

Choke

Shaft Kit.

141B

617

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−6Assemblies include all parts shown in frames. 06/17/2008

977A CARBURETOR GASKET SET

121A CARBURETOR OVERHAUL KIT

95A

104A

105A

127A

617 634A

1266

1266A

987A

137A

141A

108A

634A

1127

104A

105A

987A

95A

130A

NIKKI

98A

133A

94A

975A

131A

127A

117 118

137A

1091

125A

135A

137A

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−7Assemblies include all parts shown in frames. 06/17/2008

445

1267

967

305

305A

643

968

304

1040

613

613A

883

823

613B

677

864

676

613

300A

300B

884

823

1040A

1266A

1266

431

1036 EMISSIONS LABEL

883

613B

832

1397

676A

677

836

300

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−8Assemblies include all parts shown in frames. 06/17/2008

697

783

1051

363

729A

802

579

1051

310

803

544

801

311

797

513

783

37A

597

456

689

459

1044

309

510

608

1090

455

23A

78A

729B

1070

1005

1005A 415A

1070A

73A

1005B

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−9Assemblies include all parts shown in frames. 06/17/2008

920

527

356B

1054

356

729

851

334

333

240 240A

918

601

187

601

385A

387

387A

385

957

972

601

187B

521

789

356A

356C

789A

601

187A

601

187B

601

187C

958

601A

216

202

232

267

265

209

222

188

616

404

614

562

505

227

559

621

268

269

271

270

359

507 520

373

1136

688

843

689A

261

687

559A

21A900

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−10 Assemblies include all parts shown in frames. 06/17/2008

877C

10 −16 AMP

474D

578 878

474B 474C

877A 877B

877

DUAL

CIRCUIT

DC ONLY

NOTE: All stators use a No. mounting screw.

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.

474A 1059 10591059

501A

526A

5 −9 AMP

1059

578578

501C

526A

501D

526B

501B

526B

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