Briggs & Stratton 12E300 User Manual

Illustrated Parts List

Model Series

12E300

TYPE NUMBERS

0018 through 0275.

TABLE OF CONTENTS

Blower Housing/Shrouds 6. . . . . . . . . . . .

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

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

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

Crankcase Cover 2. . . . . . . . . . . . . . . . . . .

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

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

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

Electric Starter 5. . . . . . . . . . . . . . . . . . . . . .

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

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

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

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

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

Kits/Gaskets − Carburetor 4. . . . . . . . . . .

Kits/Gaskets − Engine 2. . . . . . . . . . . . . . .

Kits/Gaskets − Valves 3. . . . . . . . . . . . . . .

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

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

Rewind Starter 5. . . . . . . . . . . . . . . . . . . . . .

REPLACES FORM MS−5750−06/24/2008

FILE IN SECT. 2 OF SERVICE MANUAL

FORM MS−5750−06/18/2008

12E300

PRINTED IN U.S.A.

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.

COPYRIGHT by BRIGGS & STRATTON CORPORATION

12E300

1

25

1319 WARNING LABEL

REQUIRED when replacing parts
with warning labels affixed.

616

615

552

718

26

2

3

15

1058 OPERATOR’S MANUAL

18

12

20

307A

306A

307

998

15B

46

1330 REPAIR MANUAL

21

219

220

18B

20

20A

22

449

441

1019 LABEL KIT

12

21

742

746

847

523

842

524

16

27

146

741

29

30

32

32A

28

27

20

51

598

24

868

883

883A

1022

993

46A

358 ENGINE GASKET SET

3

12

20A

7

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

5750−2 Assemblies include all parts shown in frames. 06/18/2008

2

12E300

1026

13

1029

192

830

1034

238

635A

45

122

51

1022

619

383

5

36

40

33

238

337

35

34

7

40

868

155

993

1095 VALVE GASKET SET

51

868

7

993

1022

1023

1022

914A

914B

914

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

5750−3 Assemblies include all parts shown in frames. 06/18/2008

3

12E300

125A

127

51

109C

692

117

133

137

127A

134

276

276

109B

633

108

186

104

98 51

633

97

633A

130

95

975

104

122

121 CARBURETOR OVERHAUL KIT

127

127A

977 CARBURETOR GASKET SET

137

118

51

365

276

134

137

122

51

276

633

633A

276

633

633A

972

957

190

187

187A

601

187B

601

601

958

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

5750−4 Assemblies include all parts shown in frames. 06/18/2008

4

222

504

427

773

271A

668

485

1230

621

188

222G

504

621

190

427

773

271A

668

1230

188

270

12E300

227

562

505

268

608A

55A

65A

930

209

1211

209A

1210

459

58

632

689

456

60B

333

271

474

597

269

474A

1119

526

990

813

493C

318A

892

309A

501

493B

1054

356K

851

334

503

703

1148

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

5750−5 Assemblies include all parts shown in frames. 06/18/2008

5

12E300

1196A

731

472

472B

1224

318

528

1011

493A

663

663

281A

1196

976

1036 EMISSIONS LABEL

304

65

604A

37

996

11B

332A

363

1070

455

1252

1251

23

1005A

1005

305

836C

832A

836B

78

864

300

823

824

883

883A

613A

863

613

819

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

5750−6 Assemblies include all parts shown in frames. 06/18/2008

6

12E300

REF. PART REF. PART REF. PART

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

1 699510 Cylinder Assembly
2 399269 Kit−Bushing/Seal

(Magneto Side)

3 K299819S Seal−Oil

(Magneto Side)

5 699486 Head−Cylinder
7 K∅698210 Gasket−Cylinder Head

11B 695745 Tube−Breather

12 K699485 Gasket−Crankcase
13 699482 Screw

(Cylinder Head)

15 691686 Plug−Oil Drain

15B 695757 Plug−Oil Drain

16 699445 Crankshaft

−−−−−−− Note −−−−−
699454 Crankshaft

Used on Type No(s).

0275.

18 699804 Cover−Crankcase

18B 699677 Cover−Crankcase

20 K692550 Seal−Oil

(PTO Side)

20A K691952 Seal−Oil

(PTO Side)
(Auxiliary Drive)

21 281658S Cap−Oil Fill
22 699478 Screw

(Crankcase Cover/
Sump)

23 699516 Flywheel
24 222698S Key−Flywheel
25 791968 Piston Assembly

(Standard)

−−−−−−− Note −−−−−
791326 Piston

Assembly
(.020” Oversize)

26 791969 Ring Set

(Standard)
(Used After Code Date

05060600).

−−−−−−− Note −−−−−
499631 Ring Set

(Standard)
(Used Before Code
Date 05060700).
791324 Ring Set
(.020” Oversize)
(Used After Code Date

05060600).
692786 Ring Set
(.020” Oversize)
(Used Before Code
Date 05060700).

27 691866 Lock−Piston Pin
28 499423 Pin−Piston
29 690124 Rod−Connecting
30 791584 Dipper−Connecting

Rod

32 691664 Screw

(Connecting Rod)

32A 695759 Screw

(Connecting Rod)

33 499642 Valve−Exhaust
34 499641 Valve−Intake
35 691304 Spring−Valve

(Intake)

36 691304 Spring−Valve

(Exhaust)

37 699661 Guard−Flywheel
40 692194 Retainer−Valve
45 690977 Tappet−Valve
46 696813 Camshaft

46A 695285 Camshaft

KzD∅692555 Gasket−Intake

51

55A 696710 Housing−Rewind

Starter

58 693389 Rope−Starter

(Cut To Required
Length)

60B 699334 Grip−Starter Rope

65 699228 Screw

(Rewind Starter)

65A 699851 Screw

(Rewind Starter)

78 699205 Screw

(Flywheel Guard)

95 691636 Screw

(Throttle Valve)

97 690024 Shaft−Throttle

98 398185 Kit−Idle Speed
104 D691242 Pin−Float Hinge
108 695807 Valve−Choke

109B 695729 Shaft−Choke
109C 791957 Shaft−Choke

117 690048 Jet−Main

(Standard)

118 498977 Jet−Main

(High Altitude)

121 792006 Kit−Carburetor

Overhaul

122 D693749 Spacer−Carburetor

125A 794587 Carburetor

127 D694468 Plug−Welch

127A D691739 Plug−Welch

130 691181 Valve−Throttle
133 398187 Float−Carburetor

D398188 Kit−Needle/Seat

134
137 Dz693981 Gasket−Float Bowl
146 690979 Key−Timing
155 698214 Plate−Cylinder Head
186 692317 Connector−Hose
187 791766 Line−Fuel

(Cut to Required
Length)

187A 791867 Line−Fuel

(Molded)

187B 791874 Line−Fuel

(Molded)

188 699479 Screw

(Control Bracket)

190 699220 Screw

(Fuel Tank)

192 694543 Ball−Rocker Arm

K Included in Engine Gasket Set−Ref. No.358.
D Included in Carburetor Overhaul Kit−Ref. No. 121.

z Included in Carburetor Gasket Set−Ref. No. 977.

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

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

5750−7 Assemblies include all parts shown in frames. 06/18/2008

7

12E300

REF. PART REF. PART REF. PART

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

209 692571 Spring−Governor

209A 691278 Spring−Governor

219 693578 Gear−Governor
220 691724 Washer

(Governor Gear)

222 699592 Bracket−Control

(Used Before Code
Date 06051500).

222G 793109 Bracket−Control

(Used After Code Date

06051400).

227 692573 Lever−Governor

Control

238 691300 Cap−Valve
268 691025 Control Wire Casing

(Cut to Required
Length)

269 691026 Control Wire

(Cut to Required
Length)

270 691027 Nut

(Control Wire Casing)

271 691028 Lever−Control

271A 698038 Lever−Control

z271716 Washer−Sealing

276 D

281A 793131 Panel−Control

(Used After Code Date

06051400).

−−−−−−− Note −−−−−
697550 Panel−Control

(Used Before Code
Date 06051500).
793122 Panel−Control
(Used After Code Date

06051400).
Used on Type No(s).

0275.
696684 Panel−Control
(Used Before Code
Date 06051500).
Used on Type No(s).

0275.

300 699512 Muffler

−−−−−−− Note −−−−−
699511 Muffler

Used on Type No(s).
0018, 0100, 0111,

0275.

304 699598 Housing−Blower
305 699480 Screw

(Blower Housing)

306A 695710 Shield−Cylinder

307 699483 Screw

(Cylinder Shield)

307A 699234 Screw

(Cylinder Shield)

309A 696818 Motor−Starter

−−−−−−− Note −−−−−
699786 Motor−Starter

Used on Type No(s).

0275.

318 690370 Screw

(Mounting Bracket)

318A 790537 Screw

(Mounting Bracket)
(Used After Code Date

04110800).

−−−−−−− Note −−−−−
699773 Screw

(Mounting Bracket)
(Used Before Code
Date 04110900).

332A 792723 Nut

(Flywheel)

333 695711 Armature−Magneto
334 699477 Screw

(Magneto Armature)

337 491055S Spark−Plug

356K 695731

358 791797 Set−Engine Gasket
363 19203 Puller−Flywheel
365 699484 Screw

383 19374S Wrench−Spark Plug
427 694255 Nut

441 694262 Bracket−Oil Fill
449 699629 Screw

455 692591 Cup−Flywheel
456 692299 Plate−Pawl Friction
459 281505S Pawl−Rachet
472 696691 Knob−Choke Shaft

472B 791958 Knob−Choke Shaft

Wire−Stop

(Carburetor)

(Control Bracket)

(Oil Fill Bracket)

474 694457 Alternator

−−−−−−− Note −−−−−
793640 Alternator

Used on Type No(s).

0275.

474A 698314 Alternator

485 695755 Knob−Control

493A 695744 Bracket−Mounting
493B 691177 Bracket−Mounting
493C 699048 Bracket−Mounting

501 698315 Regulator
503 699889 Strap−Starter
504 694254 Washer Set−Friction
505 691251 Nut

(Governor Control
Lever)

523 693618 Dipstick

−−−−−−− Note −−−−−
790546 Dipstick

Used on Type No(s).

0275.

524 281370 Seal−Dipstick Tube
526 793006

528 793006 Hose−Primer
552 692346 Bushing−Governor

562 691119 Bolt

597 691696 Screw

598 220624 Shim−End Play
601 791850 Clamp−Hose

604A 793134 Cover−Control

608A 699335 Starter−Rewind

613 697812 Screw

613A 699480 Screw

Screw
(Regulator)

Crank

(Governor Control
Lever)

(Pawl Friction Plate)

(Used After Code Date

06051400).

−−−−−−− Note −−−−−
695749 Cover−Control

(Used Before Code
Date 06051500).

(Muffler)

(Muffler)

K Included in Engine Gasket Set−Ref. No.358.
D Included in Carburetor Overhaul Kit−Ref. No. 121.

z Included in Carburetor Gasket Set−Ref. No. 977.

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

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

5750−8 Assemblies include all parts shown in frames. 06/18/2008

8

12E300

REF. PART REF. PART REF. PART

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

615 692576 Retainer−Governor

Shaft

616 692547 Crank−Governor
619 699480 Screw

(Cylinder Head Plate)

621 692310 Switch−Stop
632 692653 Spring/Link−

Mechanical Governor

633 D

z693867 Seal−Choke/Throttle

Shaft

633A D

635A 692927 Boot−Sparkplug

832A 699892 Guard−Muffler

836B 699209 Screw

836C 699234 Screw

z691321 Seal−Choke/Throttle

Shaft

663 699854 Screw

(Control Panel)

668 694257 Spacer
689 691855 Spring−Friction
692 690572 Spring−Detent

(Choke)

703 698320 Clip
718 690959 Pin−Locating
731 794590 Hood−Snow
741 695087 Gear−Timing
742 692564 Retainer−E Ring
746 790278 Gear−Idler
773 694258 Retainer
813 690635 Clamp
819 699233 Screw

(Muffler Bracket)

823 699209 Screw

(Muffler Adapter)

824 696017 Gasket−Heat Shield
830 694544 Stud

(Rocker Arm)

−−−−−−− Note −−−−−
699313 Guard−Muffler

Used on Type No(s).

0275.

(Muffler Guard)

(Muffler Guard)

842 691031 Seal−O Ring

(Dipstick Tube)

847 693617 Dipstick/Tube

Assembly

−−−−−−− Note −−−−−
790545 Dipstick/Tube

Assembly
Used on Type No(s).

0275.

851 493880S Terminal−Spark Plug
863 699849 Bracket
864 699232 Adapter−Muffler
868 K∅692044 Seal−Valve
883 K692237 Gasket−Exhaust

883A K691893 Gasket−Exhaust

892 695747 Switch−Key
914 699480 Screw

(Rocker Cover)
(Bottom)

914A 692557 Screw

(Rocker Cover)
(Top)

914B 697551 Screw

(Rocker Cover)
(Center)

930 696709 Guard−Rewind
957 792647 Cap−Fuel Tank
958 698180 Valve−Fuel Shut Off
972 694260 Tank−Fuel
975 493640 Bowl−Float
976 790221 Primer−Carburetor

(Snap Fit)

−−−−−−− Note −−−−−
695750 Primer−

Carburetor

977 792007 Gasket Set−Carburetor
990 695756 Key−Set
993 K∅694088 Gasket−Cylinder Head

Plate

996 794687 Shield−Carburetor
998 696683 Pipe−Oil

1005 692592 Fan−Flywheel

1005A 794273 Fan

−Muffler

−Flywheel

1011 794544 Tube−Vent
1019 792211 Kit−Label
1022 K∅691890 Gasket−Rocker Cover
1023 499924 Cover−Rocker Arm
1026 790287 Rod−Push
1029 691230 Arm−Rocker
1034 691343 Guide−Push Rod
1036 Label−Emissions

(Available From An
Authorized Briggs &
Stratton Sevice
Dealer)

1054 280275 Tie−Cable
1058 277104 Operator’s Manual
1070 699201 Screw

(Flywheel Fan)

1095 791798 Gasket Set−Valve

1119 699772 Screw

(Alternator)

1148 698418 Screw

(Clip)

1196 696692 Screw

(Snow Hood)
(Carburetor)

1196A 696685 Screw

(Snow Hood)
(Muffler)

1210 498144 Pulley/Spring

Assembly
(Pulley)

1211 498144 Pulley/Spring

Assembly
(Spring)

1224 696824 Nut

(Carburetor Primer)

1230 699847 Screw

(Control Bracket)

1251 696699 Shield−Snow
1252 699234 Screw

(Snow Shield)

1319 794467 Label−Warning
1330 272147 Repair Manual

K Included in Engine Gasket Set−Ref. No.358.
D Included in Carburetor Overhaul Kit−Ref. No. 121.

z Included in Carburetor Gasket Set−Ref. No. 977.

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

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

5750−9 Assemblies include all parts shown in frames. 06/18/2008

9