Briggs & Stratton 123K00 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−5054−07/09/2008

REPLACES FORM MS−5054−05/16/2008

FILE IN SECT. 2 OF SERVICE MANUAL

123K00

Illustrated Parts List

Model Series

123K00

TYPE NUMBERS

0005 through 3717.

TABLE OF CONTENTS

Alternator 6. . . . . . . . . . . . . . . . . . . . . . . . . .

Air Cleaner 4. . . . . . . . . . . . . . . . . . . . . . . . .

Blower Housing/Shrouds 5. . . . . . . . . . . .

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

Carburetor 3. . . . . . . . . . . . . . . . . . . . . . . . .

Controls 4. . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

Electric Starter 6. . . . . . . . . . . . . . . . . . . . . .

Electrical 6. . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Exhaust System 4. . . . . . . . . . . . . . . . . . . .

Flywheel 6. . . . . . . . . . . . . . . . . . . . . . . . . . .

Flywheel Brake 6. . . . . . . . . . . . . . . . . . . . .

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

Governor Spring 4. . . . . . . . . . . . . . . . . . . .

Ignition 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Kits/Gaskets 2 & 3. . . . . . . . . . . . . . . . . . . . . . . .

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

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

Rewind Starter 6. . . . . . . . . . . . . . . . . . . . . .

Valves 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

123K00

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

5054−2Assemblies include all parts shown in frames. 07/09/2008

128

718

307

306

383

635

337

13 5

22 20

847

523

287

524

525

842

883

1095 VALVE GASKET SET

40 45

358 ENGINE GASKET SET

883

842

617

524

163

585

668

32A

146

741

870

869

871

306A

684

585

584

868

1019 LABEL KIT

1330 REPAIR MANUAL

1058 OPERATOR’S MANUAL

1319 WARNING LABEL

REQUIRED when replacing parts

with warning labels affixed.

123K00

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

5054−3Assemblies include all parts shown in frames. 07/09/2008

118

975

133

134

125

PRIMER SYSTEM

617

130

633

127

163

276

137

104

365

276

276 117

975

133

134

617

130A

633

163

276

137

104

365

276

CHOKE SYSTEM

108

692

633A

125A

109A

127

118A

117A

AUTOCHOKE SYSTEM

975

133

134

617

231

130

633

163

276

137

104

276

108A

633A

125B 109B

127

117B

276

118B

134

121 CARBURETOR OVERHAUL KIT

977 CARBURETOR GASKET SET

163

137 276

104

127

137

163 633

617

633A

276

617

633

633A

130A

130

123K00

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

5054−4Assemblies include all parts shown in frames. 07/09/2008

670

190

930

240

616

404

615

505

562

202

188

843A

843

265

267

270

271

268

621

227

222

222E222D

222C

668

621

668

601

269 209B

187C

187

187B

187A

601

601A

601

972 972B

1059

957A

677

613

883

300

676

832

676C

836

677

163

529

970

159

443A

445A

967A

968B

425A 966A

976

957B

467

1387

1388

1386

883

291

957A 957B

836

832B

300B

613B

836B

976

163

529

966B

123K00

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

5054−5Assemblies include all parts shown in frames. 07/09/2008

930A

930

921E

969

921C

969A

604A

564A

921B

969A

564

604

925

305

304

1036 EMISSIONS LABEL

921A

921F

921G

604B

564B

921K

969A

921J

969A

921L

969A

604C

564B

921N

969A

123K00

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

5054−6Assemblies include all parts shown in frames. 07/09/2008

621

922

745

236

923

990A

1160

497

347

627

851

334

910

474

1119

578

356

935

333

356D

356B

789B

1236

1009

592

597

456

689

459

1210

1211

608

363

23A

455

332

1005

310

802

853

803

544

801

783A

651

513

785

784

783

937

742

309

545

510

853

697

783A

651

513

785

784

783

937

742

510

309A

334

851A

635A

333A

923B 621 922A

922A

923A

123K00

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

5054−7Assemblies include all parts shown in frames. 07/09/2008

1 697322 Cylinder Assembly

2 399269 Kit−Bushing/Seal

(Magneto Side)

3K299819S Seal−Oil

(Magneto Side)

4 493279 Sump−Engine

−−−−−−− Note −−−−−

696294 Sump−Engine

Used on Type No(s).

0121, 0194, 0244.

498983 Sump−Engine

Used on Type No(s).

0131, 0134, 0138.

5 691160 Head−Cylinder

7K∅692249 Gasket−Cylinder Head

8 695250 Breather Assembly

9K∅696125 Gasket−Breather

10 691125 Screw

(Breather Assembly)

11 691781 Tube−Breather

12 K692232 Gasket−Crankcase

13 690912 Screw

(Cylinder Head)

15 691680 Plug−Oil Drain

(Square Socket)

16 691450 Crankshaft

−−−−−−− Note −−−−−

691451 Crankshaft

Used on Type No(s).

0015, 0060, 0062,

0107, 0116, 0117,

0120, 0121, 0127,

0139, 0145, 0147,

0181, 0183, 0184,

0185, 0193, 0194,

0195, 0196, 0197,

0208, 0209, 0210,

0217, 0218, 0222,

0223, 0224, 0225,

0226, 0230, 0231,

0232, 0235, 0237,

0239, 0244, 0261,

0266, 0271, 0273,

0277, 0283, 0307,

0336, 0515, 0560,

0615.

696009 Crankshaft

Used on Type No(s).

0114.

691455 Crankshaft

Used on Type No(s).

0018, 0126, 0131,

0134, 0138, 0219,

0230, 0234, 0238,

0243, 0289, 0518.

694849 Crankshaft

Used on Type No(s).

0005, 0137, 0156,

0236, 0269.

694478 Crankshaft

Used on Type No(s).

0240, 0332.

696290 Crankshaft

Used on Type No(s).

0113, 0130.

694850 Crankshaft

Used on Type No(s).

0132, 0509.

20 K399781S Seal−Oil

(PTO Side)

22 691092 Screw

(Crankcase Cover/

Sump)

23A 691987 Flywheel

−−−−−−− Note −−−−−

691992 Flywheel

Used on Type No(s).

0005, 0113, 0130,

0131, 0132, 0134,

0137, 0138, 0156,

0236, 0238, 0269,

0509.

696291 Flywheel

Used on Type No(s).

0121, 0194, 0244.

24 222698S Key−Flywheel

25 795429 Piston Assembly

(Standard)

(Used After Code Date

07090300).

−−−−−−− Note −−−−−

791097 Piston

Assembly

(Standard)

(Used Before Code

Date 07090400).

795430 Piston

Assembly

(.020” Oversize)

(Used After Code Date

07090300).

791326 Piston

Assembly

(.020” Oversize)

(Used After Code Date

04102100 and Before

Code Date 07040400).

697341 Piston

Assembly

(.020” Oversize)

(Used Before Code

Date 04102200).

(.010” Oversize)

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

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

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

∅Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PART

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

123K00

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

5054−8Assemblies include all parts shown in frames. 07/09/2008

26 795431 Ring Set

(Standard)

(Used After Code Date

07090300).

−−−−−−− Note −−−−−

791098 Ring Set

(Standard)

(Used After Code Date

04031400 and Before

Code Date 07090400).

499425 Ring Set

(Standard)

(Used Before Code

Date 04031500).

795432 Ring Set

(.020” Oversize)

(Used After Code Date

07090300).

791324 Ring Set

(.020” Oversize)

(Used After Code Date

04102100 and Before

Code Date 07090400).

499427 Ring Set

(.020” Oversize)

(Used Before Code

Date 04102200).

28 499423 Pin−Piston

(Standard)

29 499424 Rod−Connecting

(Standard)

32 691664 Screw

(Connecting Rod)

32A 695759 Screw

(Connecting Rod)

33 262651S Valve−Exhaust

34 262652S Valve−Intake

35 691270 Spring−Valve

(Intake)

36 691270 Spring−Valve

(Exhaust)

37 694086 Guard−Flywheel

40 692194 Retainer−Valve

43 691997 Slinger−Governor/Oil

45 690548 Tappet−Valve

46 691449 Camshaft

50 497465 Manifold−Intake

51 K272199S Gasket−Intake

54 691650 Screw

(Intake Manifold)

55 691421 Housing−Rewind

Starter

58 697316 Rope−Starter

(Cut To Required

Length)

60 281434S Grip−Starter Rope

65 690837 Screw

(Rewind Starter)

78 691108 Screw

(Flywheel Guard)

81 691740 Lock−Muffler Screw

95 691636 Screw

(Throttle Valve)

97 493267 Shaft−Throttle

(Metal)

−−−−−−− Note −−−−−

696565 Shaft−Throttle

(Plastic)

104 D691242 Pin−Float Hinge

108 691182 Valve−Choke

108A 795935 Valve−Choke

(Used After Code Date

08031200).

−−−−−−− Note −−−−−

790844 Valve−Choke

(Used Before Code

Date 08031300).

109A 498593 Shaft−Choke

109B 795936 Shaft−Choke

(Used After Code Date

08031200).

−−−−−−− Note −−−−−

790843 Shaft−Choke

(Used Before Code

Date 08031300).

117 498978 Jet−Main

(Standard)

−−−−−−− Note −−−−−

494870 Jet−Main

(Standard)

Used on Type No(s).

0336, 0515, 0518,

0525, 0560, 0562,

0563, 0666, 0717,

1027, 3717.

117A 498978 Jet−Main

(Standard)

−−−−−−− Note −−−−−

498981 Jet−Main

(Standard)

Used on Type No(s).

0005, 0113, 0130,

0131, 0134, 0137,

0138, 0236, 0238,

0240, 0269, 0332,

0509.

117B 697355 Jet−Main

(Standard)

118 497466 Jet−Main

(High Altitude)

−−−−−−− Note −−−−−

497315 Jet−Main

(High Altitude)

Used on Type No(s).

0336, 0515, 0518,

0525, 0560, 0562,

0563, 0666, 0717,

1027, 3717.

118A 497466 Jet−Main

(High Altitude)

−−−−−−− Note −−−−−

494870 Jet−Main

(High Altitude)

Used on Type No(s).

0005, 0113, 0130,

0131, 0134, 0137,

0138, 0236, 0238,

0240, 0269, 0332,

0509.

118B 692677 Jet−Main

(High Altitude)

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

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

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

∅Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PART

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

123K00

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

5054−9Assemblies include all parts shown in frames. 07/09/2008

121 498260 Kit−Carburetor

Overhaul

125 498170 Carburetor

(Primer System)

−−−−−−− Note −−−−−

790821 Carburetor

(Primer System)

Used on Type No(s).

0336, 0515, 0518,

0525, 0560, 0562,

0563, 0666, 0717,

1027, 3717.

125A 499059 Carburetor

(Choke System)

−−−−−−− Note −−−−−

792253 Carburetor

(Choke System)

Used on Type No(s).

0005, 0113, 0130,

0131, 0134, 0137,

0138, 0236, 0238,

0240, 0269, 0332,

0509.

125B 790845 Carburetor

(Autochoke System)

127 D694468 Plug−Welch

130 696564 Valve−Throttle

130A 691203 Valve−Throttle

133 398187 Float−Carburetor

134 D398188 Kit−Needle/Seat

137 Dz693981 Gasket−Float Bowl

146 690979 Key−Timing

159 691753 Bracket−Air Cleaner

Primer

163KDz272653 Gasket−Air Cleaner

187 791766 Line−Fuel

(Cut to Required

Length)

187A 791873 Line−Fuel

(Molded)

187B 791891 Line−Fuel

(Includes Filter)

(Used After Code Date

05063000).

−−−−−−− Note −−−−−

692042 Line−Fuel

(Includes Filter)

(Used Before Code

Date 05070100).

187C 791875 Line−Fuel

(Molded)

188 693399 Screw

(Control Bracket)

190 690940 Screw

(Fuel Tank)

202 691829 Link−Mechanical

Governor

209B 699056 Spring−Governor

−−−−−−− Note −−−−−

691292 Spring−

Governor

Used on Type No(s).

0114, 0116, 0117,

0125, 0237, 0243,

0277, 0301, 0302,

0307, 0311, 0337,

0338, 0347, 0424,

0425, 0438, 0440,

0484, 0490, 0511,

0513.

691851 Spring−

Governor

Used on Type No(s).

0119, 0122, 0123,

0124, 0135, 0141,

0153, 0154, 0156.

691852 Spring−

Governor

Used on Type No(s).

0121,0142.

691290 Spring−

Governor

Used on Type No(s).

0005, 0134, 0138,

0145, 0236, 0269.

691291 Spring−

Governor

Used on Type No(s).

0113, 0126, 0130,

0131, 0132, 0137,

0240, 0332, 0509.

790944 Spring−

Governor

Used on Type No(s).

0238.

222 790143 Bracket−Control

(Remote/Manual

Friction)(Primer)

222C 692150 Bracket−Control

(Variable Speed)

(5 Postion Manual

Choke)

222E 692982 Bracket−Control

(Manual Friction, 5

Postion Manual

Choke)

222D 692467 Bracket−Control

(Fixed Speed)

−−−−−−− Note −−−−−

791128 Bracket−

Control

(Fixed Speed)

Used on Type No(s).

0145, 0154, 0478,

0479, 0481, 0576,

0582, 0587, 0589,

0592, 0609, 0611,

0613, 0618, 0630,

0631, 0639, 0657,

0664, 0665, 0666,

0674, 0717, 0887,

1027, 3717.

227 690783 Lever−Governor

Control

231 691636 Screw

(Choke Valve)

236 691826 Link−Lockout

240 298090S Filter−Fuel

265 690798 Clamp−Casing

267 691044 Screw

(Casing Clamp)

268 691025 Casing−Control Wire

(Cut to Required

Length)

269 691026 Wire−Control

(Cut to Required

Length)

270 691027 Nut

(Control Wire Casing)

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

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

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

∅Included in Valve Gasket Set−Ref. No 1095.

REF. PART REF. PART REF. PART

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

123K00

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

5054−10 Assemblies include all parts shown in frames. 07/09/2008

271 691028 Lever−Control

276 Dz271716 Washer−Sealing

(Main Jet)

287 690940 Screw

(Dipstick Tube)

291 790830 Thermostat

300 692038 Muffler

−−−−−−− Note −−−−−

790828 Muffler

Used on Type No(s).

0478, 0479, 0481,

0592, 0611, 0615,

0625, 0630, 0664,

0665, 0674, 0887.

300B 694048 Muffler

(Super Lo Tone

Catalyst)

304 695892 Housing−Blower

−−−−−−− Note −−−−−

493293 Housing−

Blower

Used on Type No(s).

0015, 0018, 0025,

0060, 0062, 0107,

0113, 0114, 0117,

0120, 0127, 0130,

0131, 0132, 0134,

0138, 0147, 0153,

0184, 0210, 0218,

0223, 0225, 0302,

0330, 0515, 0518,

0525, 0560, 0562,

0587, 0589, 0611,

0717, 3717.

493294 Housing−

Blower

Used on Type No(s).

0005, 0126, 0134,

0137, 0156, 0236,

0238, 0240, 0269,

0332, 0509.

696298 Housing−

Blower

Used on Type No(s).

0121, 0194, 0244.

790826 Housing−

Blower

Used on Type No(s).

0479, 0481, 0592,

0615, 0625, 0630,

0664, 0665, 0887.

790983 Housing−

Blower

Used on Type No(s).

0478, 0674.

694092 Housing−

Blower

Used on Type No(s).

0145.

305 691108 Screw

(Blower Housing)

306 690450 Shield−Cylinder

306A 790836 Shield−Cylinder

307 690345 Screw

309 695550 Motor−Starter

(Used Before Code

Date 07052900).

309A 795092 Motor−Starter

(Used After Code Date

07052800).

(Cylinder Shield)

310 692327 Bolt

(Starter Motor)

332 690662 Nut

(Flywheel)

333 802574 Armature−Magneto

−−−−−−− Note −−−−−

790817 Armature−

Magneto

Used on Type No(s).

0336, 0515, 0518,

0525, 0560, 0562,

0563, 0615, 0625,

0666, 0717, 1027,

3717.

333A 793353 Armature−Magneto

334 691061 Screw

(Magneto Armature)

337 802592S Plug−Spark

(Resistor)

−−−−−−− Note −−−−−

697451 Plug−Spark

(EMS)

347 691396 Switch−Rocker

356 692390 Wire−Stop

356B 693010 Wire−Stop

356D 496381 Wire−Stop

358 497316 Gasket Set−Engine

363 19069 Flywheel Puller

365 691688 Screw

(Carburetor)

383 89838S Wrench−Spark Plug

404 690272 Washer

(Governor Crank)

425A 690670 Screw

(Air Cleaner Cover)

443A 692523 Screw

(Air Cleaner Primer

Base)

445A 491588S Filter−Air Cleaner

Cartridge

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

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

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

∅Included 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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