Briggs & Stratton 125600 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−6537−05/28/2008

REPLACES FORM MS−6537−04/02/2008

FILE IN SECT. 2 OF SERVICE MANUAL

125600

Illustrated Parts List

Model Series

125600

TYPE NUMBERS

0100 through 0165.

TABLE OF CONTENTS

Air Cleaner 6. . . . . . . . . . . . . . . . . . . . . . . . .

Blower Housing/Shrouds 7. . . . . . . . . . . .

Camshaft 2. . . . . . . . . . . . . . . . . . . . . . . . . . .

Carburetor 4. . . . . . . . . . . . . . . . . . . . . . . . .

Controls 5. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Crankshaft 2. . . . . . . . . . . . . . . . . . . . . . . . .

Cylinder 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cylinder Head 3. . . . . . . . . . . . . . . . . . . . . .

Electric Starter 7. . . . . . . . . . . . . . . . . . . . . .

Engine Sump 2. . . . . . . . . . . . . . . . . . . . . . .

Exhaust System 6. . . . . . . . . . . . . . . . . . . .

Flywheel 7. . . . . . . . . . . . . . . . . . . . . . . . . . .

Flywheel Brake 5. . . . . . . . . . . . . . . . . . . . .

Fuel Supply 4. . . . . . . . . . . . . . . . . . . . . . . .

Governor Spring 5. . . . . . . . . . . . . . . . . . . .

Ignition 5. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Kits/Gaskets Sets 8. . . . . . . . . . . . . . . . . .

Lubrication 2. . . . . . . . . . . . . . . . . . . . . . . .

Piston Group 2. . . . . . . . . . . . . . . . . . . . . . .

Rewind Starter 7. . . . . . . . . . . . . . . . . . . . . .

125600

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

6537−2Assemblies include all parts shown in frames. 05/28/2008

1019 LABEL KIT

584

585

684

306

307

718 8

32A

28 27

357

741

146

46A 46B

43A

374

1055

15 20

15A

20A

4A 4B4

715

721

101

743

847

287

525

523

524

842

1055

737

1027

988

1028

1024 965 943

750

1330 REPAIR MANUAL

1058 OPERATOR’S MANUAL 1319 WARNING LABEL

REQUIRED when replacing parts

with warning labels affixed.

125600

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

6537−3Assemblies include all parts shown in frames. 05/28/2008

1023

1022

914

1022

122

883

718

619

1034

868

993

886

238

1029

830

192

1026

635

337

383

51A

51B

125600

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

6537−4Assemblies include all parts shown in frames. 05/28/2008

PRIMER SYSTEM

633A

130

127

163A

122

276

137

104

125

134

133

975

276

117

276

118

365

190

972

957

1059

187

958

670

601

601A

51B

122A

957B

125600

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

6537−5Assemblies include all parts shown in frames. 05/28/2008

843

188

202

267

265

265A

271

269

268

270

564

604

227 562

505

615

404

616

209A

333

851

334

356

745

922

621

923

621

222A

51A 51B

122 51

222B

51A 51B

578

1119A

474A

356B

789A

125600

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

6537−6Assemblies include all parts shown in frames. 05/28/2008

425

968

445

967

443 443A

529A

163A

976

966

300 613

883

613A

836

836A

836

832

832C

677

676

676C

836A

883

613

613A

300B

125600

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

6537−7Assemblies include all parts shown in frames. 05/28/2008

930 930A

332

455

1005

363

305

592

925

304

608

55 65

592

1211

1210

459

689

456

597

969

921B

969A

1036 EMISSIONS LABEL

309 510 742

937

783

784

785

513

651

783A

801

544

697

803 310

802

853

545

853

697

783A

651

513

785

784

783

937

742

510

309A

125600

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

6537−8Assemblies include all parts shown in frames. 05/28/2008

20A

1022

122

883

868

993

524

842

163A

585

1022

122

883

868

993

1095 VALVE GASKET SET

358 ENGINE GASKET SET

122

163A

633A

137

104

134

276

127

122

163A

633A

137

276

977 CARBURETOR GASKET SET

51A

51B

51A

51B

51A

51B

51A

51B

121 CARBURETOR OVERHAUL KIT

125600

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

6537−9Assemblies include all parts shown in frames. 05/28/2008

1 790363 Cylinder Assembly

(Used After Code Date

04040400).

−−−−−−− Note −−−−−

499678 Cylinder−

Assembly

(Used Before Code

Date 04040500).

2 399269 Kit−Bushing/Seal

(Magneto Side)

3K299819S Seal−Oil

(Magneto Side)

4 493279 Sump−Engine

4A 493365 Sump−Engine

(Auxiliary PTO)

4B 692509 Sump−Engine

5 795501 Head−Cylinder

(Used After Code Date

05110100).

−−−−−−− Note −−−−−

695276 Head−Cylinder

(Used Before Code

Date 05110200).

7KΔ695166 Gasket−Cylinder Head

8 495786 Breather Assembly

9K699833 Gasket−Breather

10 691125 Screw

(Breather Assembly)

11 499675 Tube−Breather

12 K692232 Gasket−Crankcase

13 691137 Screw

(Cylinder Head)

15 691680 Plug−Oil Drain

(Square Socket)

15A 691093 Plug

(Hex Socket)

16 691457 Crankshaft

−−−−−−− Note −−−−−

693291 Crankshaft

Used on Type No(s).

0117, 0158, 0163.

692823 Crankshaft

Used on Type No(s).

0121.

692716 Crankshaft

Used on Type No(s).

0126, 0127.

691456 Crankshaft

Used on Type No(s).

0100, 0105, 0114,

0119, 0124, 0136,

0144, 0145, 0146,

0149, 0159, 0162,

0164.

17 692517 Bearing−Ball

20 K399781S Seal−Oil

(PTO Side)

20A K691952 Seal−Oil

(PTO Side)

(Auxiliary PTO)

22 691092 Screw

(Crankcase

Cover/Sump)

23 697610 Flywheel

−−−−−−− Note −−−−−

692693 Flywheel

Used on Type No(s).

0127, 0130, 0133,

0140.

692987 Flywheel

Used on Type No(s).

0121.

697637 Flywheel

Used on Type No(s).

0148.

24 222698S Key−Flywheel

25 795429 Piston Assembly

(Standard)

(Used After Code Date

07090300).

−−−−−−− Note −−−−−

792004 Piston

Assembly

(Standard)

(Used Before Code

Date 07090400).

795430 Piston

Assembly

(.020” Oversize)

(Used After Code Date

07090300).

791325 Piston

Assembly

(.020” Oversize)

(Used Before Code

Date 07090400).

26 795431 Ring Set

(Standard)

(Used After Code Date

07090300).

−−−−−−− Note −−−−−

791969 Ring Set

(Standard)

(Used After Code Date

05030700 and Before

Code Date 07090400).

499631 Ring Set

(Standard)

(Used Before Code

Date 05030800).

795432 Ring Set

(.020” Oversize)

(Used After Code Date

07090300).

791324 Ring Set

(.020” Oversize)

(Used After Code Date

05030700 and Before

Code Date 07090400).

692786 Ring Set

(.020” Oversize)

(Used Before Code

Date 05030800).

KIncluded in Engine Gasket Set−Ref. No.358.

DIncluded in Carburetor Overhaul Kit−Ref. No. 121.

zIncluded in Carburetor Gasket Set−Ref. No. 977.

ΔIncluded in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

125600

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

6537−10 Assemblies include all parts shown in frames. 05/28/2008

27 691866 Lock−Piston Pin

28 499423 Pin−Piston

29 499424 Rod−Connecting

32 691664 Screw

(Connecting Rod)

32A 695759 Screw

(Connecting Rod)

(Used After Code Date

00042200).

33 499642 Valve−Exhaust

34 499641 Valve−Intake

35 691304 Spring−Valve

(Intake)

36 691304 Spring−Valve

(Exhaust)

37 694086 Guard−Flywheel

40 692194 Retainer−Valve

43 691997 Slinger−Governor/Oil

43A 692505 Slinger−Governor/Oil

Used on Type No(s).

0142.

45 690977 Tappet−Valve

46 694039 Camshaft

46A 694037 Camshaft

(Counterclockwise)

46B 694040 Camshaft

Used on Type No(s).

0142.

51KzDΔ692668 Gasket−Intake

51AKzDΔ697735 Gasket−Intake

51BKzDΔ692555 Gasket−Intake

55 691421 Housing−Rewind

Starter

58 697316 Rope−Starter

(Cut To Required

Length)

60 281434S Grip−Starter Rope

65 690837 Screw

(Rewind Starter)

73 691222 Screen−Rotating

−−−−−−− Note −−−−−

691221 Screen−

Rotating

Used on Type No(s).

0148.

78 691108 Screw

(Flywheel Guard)

83 691778 Shaft−Auxiliary Drive

−−−−−−− Note −−−−−

690524 Shaft−Auxiliary

Drive

Used on Type No(s).

0112, 0128.

690522 Shaft−Auxiliary

Drive

Used on Type No(s).

0144, 0157.

95 691636 Screw

(Throttle Valve)

97 499682 Shaft−Throttle

(Metal)

−−−−−−− Note −−−−−

790121 Shaft−Throttle

(Plastic)

101 691623 Pin−Shaft

104 D691242 Pin−Float Hinge

117 498981 Jet−Main

(Standard)

(Used After Code Date

03110600).

−−−−−−− Note −−−−−

498978 Jet−Main

(Standard)

(Used Before Code

Date 03110700).

118 497466 Jet−Main

(High Altitude)

(Used After Code Date

03110600).

−−−−−−− Note −−−−−

498975 Jet−Main

(High Altitude)

(Used Before Code

Date 03110700).

121 792383 Kit−Carburetor

Overhaul

122KzDΔ692799 Spacer−Carburetor

122A 792382 Spacer−Carburetor

125 790120 Carburetor

127 D694468 Plug−Welch

130 691203 Valve−Throttle

−−−−−−− Note −−−−−

696564 Valve−Throttle

(Used With Plastic

Throttle Shaft)

133 398187 Float−Carburetor

134 D398188 Kit−Needle/Seat

137 Dz693981 Gasket−Float Bowl

146 690979 Key−Timing

163AKzD692667 Gasket−Air Cleaner

187 791766 Line−Fuel

(Cut to Required

Length)

188 691147 Screw

(Control Bracket)

190 690940 Screw

(Fuel Tank)

192 694543 Adjuster−Rocker Arm

202 691303 Link−Mechanical

Governor

209A 691291 Spring−Governor

−−−−−−− Note −−−−−

691851 Spring−

Governor

Used on Type No(s).

0100, 0117, 0142,

0145, 0147.

690319 Spring−

Governor

Used on Type No(s).

0118, 0133, 0157,

0158.

691292 Spring−

Governor

Used on Type No(s).

0123, 0163.

KIncluded in Engine Gasket Set−Ref. No.358.

DIncluded in Carburetor Overhaul Kit−Ref. No. 121.

zIncluded in Carburetor Gasket Set−Ref. No. 977.

ΔIncluded in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PART

NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION

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