Briggs & Stratton 12V800 User Manual

Illustrated Parts List

Model Series

12V800

TYPE NUMBERS

0109 through 3118.

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 5. . . . . . . . . . . . . . . . . . . . . . . . . . .

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

Fuel Supply 3. . . . . . . . . . . . . . . . . . . . . . . .

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

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

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

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

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

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

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

REPLACES FORM MS−0875−09/10/2007

FILE IN SECT. 2 OF SERVICE MANUAL

FORM MS−0875−12/05/2007

12V800

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

12V800

306

635

13

1319 WARNING LABEL

REQUIRED when replacing parts
with warning labels affixed.

11

50

307

5

337

383

54

51

7

25

1058 OPERATOR’S MANUAL

1

869
870
871

27

24

2

3

16

1330 REPAIR MANUAL

718

33

868

34

584

40

36

40

35

1019 LABEL KIT

8

10

9

684585

45

45

287

847

523

842

525

1095 VALVE GASKET SET

9

7

883

358 ENGINE GASKET SET

3

7

9

12

26

28

27

20

20A

51

163
524

585

617

668
842

883

29

32

374

4A

15

46A

374

22

12

20

46

32A

4

12

15

20

146

741

43

524

715

721

101

743

83

15A

20A

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

0875−2 Assemblies include all parts shown in frames. 12/05/2007

2

12V800

118

125

133

117

134

975

137

276

276

365

276

121 CARBURETOR OVERHAUL KIT

134

104

127

137

163

104

276

617

633

163

97

633

127

130

95

PRIMER SYSTEM

977 CARBURETOR GASKET SET

137

163

276

617

617

633

972B

957B

190

957A

957B

187

601

187B

601

1059

187C

670

187A

601

601

240

601A

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

0875−3 Assemblies include all parts shown in frames. 12/05/2007

3

12V800

443

968

425

968A

966

976

425

967

259

445

163

11A

883

300 300A

81

613

832C

836

832D

836

832A

836

81

613A

676D

677

994

346

843

271

222F

268

269

188

668

270

209B

267

265

202

267

227

562

505

615

404

616

265A

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

0875−4 Assemblies include all parts shown in frames. 12/05/2007

4

930A

608

55

12V800

65

592

58

921D

921A

969

969A

1211

1210

459

456

689

597

455

60

332

37

78

363

304

305

1036 EMISSIONS LABEL

1005

23A

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

0875−5 Assemblies include all parts shown in frames. 12/05/2007

5

12V800

356

789A

309

510

742

937

1119

474

910

935

1160

334

333

851

1236

990A

923

621

745

922

853

801

783

784

785

513

544

803

802

651

783A

545

310

697

309A

853

510

783

784

785

513

1009

742

937

651

783A

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

0875−6 Assemblies include all parts shown in frames. 12/05/2007

6

12V800

REF. PART REF. PART REF. PART

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

1 697322 Cylinder Assembly
2 399269 Kit−Bushing/Seal

(Magneto Side)

3 K299819S Seal−Oil

(Magneto Side)

4 493279 Sump−Engine

−−−−−−− Note −−−−−
696294 Sump−Engine

Used on Type No(s).

1783.

4A 493365 Sump−Engine

(Auxiliary PTO)

5 691160 Head−Cylinder
7 K∅692249 Gasket−Cylinder Head
8 695250 Breather Assembly
9 K∅699833 Gasket−Breather

10 691125 Screw

(Breather Assembly)

11 691781 Tube−Breather

11A 691934 Tube−Breather

12 K692232 Gasket−Crankcase
13 690912 Screw

(Cylinder Head)

15 691680 Plug−Oil Drain

(Square Socket)

15A 691093 Plug−Oil Drain

(Hex Socket)

16 691451 Crankshaft

(Used After Code Date

97011200).

−−−−−−− Note −−−−−
694442 Crankshaft

(Used Before Code
Date 97011300).
691452 Crankshaft
(Used After Code Date

97011200).
Used on Type No(s).
0630,0631,0666,0668,
1085,1766,1767,1777,
1778,1779,1780.
694059 Crankshaft
(Used Before Code
Date 97011300).
Used on Type No(s).
0630,0631,0666,0668.
691450 Crankshaft
(Used After Code Date

97011200).
Used on Type No(s).
0109,0180,0181,0183,
0191,1081,1091.
694440 Crankshaft
(Used Before Code
Date 97011300).
Used on Type No(s).
0109,0180,0181,0183.
691454 Crankshaft
(Used After Code Date

97011200).
Used on Type No(s).

0182.
692000 Crankshaft
(Used Before Code
Date 97011300).
Used on Type No(s).

0182.
692994 Crankshaft
(Used After Code Date

97011200).
Used on Type No(s).
0625,1741,3118.
498878 Crankshaft
(Used Before Code
Date 97011300).
Used on Type No(s).

1741.
691455 Crankshaft
Used on Type No(s).

1092.

20 K399781S Seal−Oil

(PTO Side)

20A K691952 Seal−Oil

(PTO Side)
(Auxiliary PTO)

22 691092 Screw

(Crankcase
Cover/Sump)

23A 691987 Flywheel

−−−−−−− Note −−−−−
691992 Flywheel

Used on Type No(s).
0667, 0668, 1731,
1734, 1767.
696291 Flywheel
Used on Type No(s).

1783.

24 222698S Key−Flywheel

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.

0875−7 Assemblies include all parts shown in frames. 12/05/2007

7

12V800

REF. PART REF. PART REF. PART

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

25 795429 Piston Assembly

(Standard)
(Used After Code Date

07090300).

−−−−−−− Note −−−−−
791097 Piston

Assembly
(Standard)
(Used After Code Date
04031400 and Before
Code Date 07090400).
493262 Piston
Assembly
(Standard)
(Used Before Code
Date 97011300).
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).
499431 Piston
Assembly
(.020” Oversize)
(Used After Code Date
97011200 and Before
Code Date 04102200).
493386 Piston
Assembly
(.020” Oversize)
(Used Before Code
Date 97011300).
493387 Piston
Assembly
(.030” Oversize)
(Used Before Code
Date 97011300).

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 After Code Date
97011200 and Before
Code Date 04031500).
493261 Ring Set
(Standard)
(Used Before Code
Date 97011300).
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 After Code Date
97011200 and Before
Code Date 04102200).
493389 Ring Set
(.020” Oversize)
(Used Before Code
Date 97011300).
493390 Ring Set
(.030” Oversize)
(Used Before Code
Date 97011300).

27 691866 Lock−Piston Pin

(Used After Code Date

97011200).

−−−−−−− Note −−−−−
691588 Lock−Piston

Pin
(Used Before Code
Date 97011300).

28 499423 Pin−Piston

(Standard)
(Used After Code Date

97011200).

−−−−−−− Note −−−−−
298909 Pin−Piston

(Standard)
(Used Before Code
Date 97011300).
298908 Pin−Piston
(.005” Oversize)
(Used Before Code
Date 97011300).

29 499424 Rod−Connecting

(Standard)
(Used After Code Date

97011200).

−−−−−−− Note −−−−−
490566 Rod−

Connecting
(Standard)
(Used Before Code
Date 97011300).

32 691664 Screw

(Connecting Rod)

32A 695759 Screw

(Connecting Rod)
(Used After Code Date

00042200).

33 262651S Valve−Exhaust
34 262652S Valve−Intake
35 691270 Spring−Valve

(Intake)

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.

0875−8 Assemblies include all parts shown in frames. 12/05/2007

8

12V800

REF. PART REF. PART REF. PART

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

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

(Used After Code Date

96060200).

−−−−−−− Note −−−−−
492830 Camshaft

(Used Before Code
Date 96060300).

46A 691459 Camshaft

(Counterclockwise)
(Used After Code Date

96060200).

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
83 691778 Shaft−Auxiliary Drive
95 691636 Screw

(Throttle Valve)

97 493267 Shaft−Throttle

(Metal)

−−−−−−− Note −−−−−
696565 Shaft−Throttle

(Plastic)

101 691623 Pin−Shaft
104 D691242 Pin−Float Hinge
117 494870 Jet−Main

(Standard)
(Used After Code Date

02092900).

−−−−−−− Note −−−−−
498975 Jet−Main

(Standard)
(Used After Code Date
96060200 and Before
Code Date 02093000).
497466 Jet−Main
(Standard)
(Used After Code Date
95102900 and Before
Code Date 96060300).
494870 Jet−Main
(Standard)
(Used Before Code
Date 95103000).

118 497315 Jet−Main

(High Altitude)
(Used After Code Date

02092900).

−−−−−−− Note −−−−−
497348 Jet−Main

(High Altitude)
(Used After Code Date
96060200 and Before
Code Date 02093000).
497315 Jet−Main
(High Altitude)
(Used Before Code
Date 95103000).

121 498260 Kit−Carburetor

Overhaul

125 698444 Carburetor

(Used After Code Date

96060200).

−−−−−−− Note −−−−−
498254 Carburetor

(Used Before Code
Date 96060300).

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

z693981 Gasket−Float Bowl

137 D
146 690979 Key−Timing
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 690877 Screw

(Control Bracket)

190 690940 Screw

(Fuel Tank)

202 691829 Link−Mechanical

Governor

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.

0875−9 Assemblies include all parts shown in frames. 12/05/2007

9

12V800

REF. PART REF. PART REF. PART

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

209B 699056 Spring−Governor

−−−−−−− Note −−−−−
691851 Spring−

Governor
Used on Type No(s).
0180, 0181, 0183,
0191, 0668, 1081,
1091, 1092.
691292 Spring−
Governor
Used on Type No(s).
0182, 0630, 0631,
0666, 0667, 1085,
1731, 1733, 1766,
1767, 1777.
691852 Spring−
Governor
Used on Type No(s).

1734.

222F 691436 Bracket−Control

(Remote/Manual
Friction)
(Compliance)

240 298090S Filter−Fuel
259 691189 Bracket−Casing Clamp
265 690798 Clamp−Casing

265A 691024 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)

271 691028 Lever−Control

z271716 Washer−Sealing

276 D
287 690940 Screw

(Dipstick Tube)

300 692038 Muffler

(Tuned)

300A 494343S Muffler

(Square Lo Tone)

304 493293 Housing−Blower

−−−−−−− Note −−−−−
493294 Housing−

Blower
Used on Type No(s).
0181, 0183, 0191,
0667, 0668, 1092,
1731, 1734.
695892 Housing−
Blower
Used on Type No(s).
1787, 1788.
696298 Housing−
Blower
Used on Type No(s).

1783.

305 691108 Screw

(Blower Housing)

306 690450 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
334 691061 Screw

(Magneto Armature)

337 802592S Plug−Spark
346 690661 Screw

(Spark Arrestor)

356 692390 Wire−Stop
358 497316 Gasket Set−Engine
363 19069 Puller−Flywheel
365 691688 Screw

(Carburetor)

383 89838S Wrench−Spark Plug
404 690272 Washer

(Governor Crank)

425 691135 Screw

(Air Cleaner Cover)

443 690349 Screw

(Air Cleaner Primer
Base)

445 497725S Filter−Air Cleaner

Cartridge

455 791960 Cup−Flywheel
456 692299 Plate−Pawl Friction
459 281505S Pawl−Ratchet
474 691991 Alternator
505 691251 Nut

(Governor Control
Lever)

510 795093 Drive−Starter
513 692358 Clutch−Drive
523 499621 Dipstick
524 K692296 Seal−Dipstick Tube
525 495265 Tube−Dipstick
544 690786 Armature−Starter
545 492919 Washer Set

(Starter Motor)

562 92613 Bolt

(Governor Control
Lever)

584 697734 Cover−Breather

Passage

585 K691879 Gasket−Breather

Passage

592 690800 Nut

(Rewind Starter)

597 691696 Screw

(Pawl Friction Plate)

601 791850 Clamp−Hose

601A 691038 Clamp−Hose

608 497680 Starter−Rewind
613 691340 Screw

(Muffler)

613A 691653 Screw

(Muffler)

615 690340 Retainer−Governor

Shaft

616 698801 Crank−Governor

z270344S Seal−O Ring

617D

(Intake Manifold)

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.

0875−10 Assemblies include all parts shown in frames. 12/05/2007

10

12V800

REF. PART REF. PART REF. PART

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

621 692310 Switch−Stop

z691321 Seal−Choke/Throttle

633 D

Shaft
(Throttle Shaft)

635 66538S Boot−Spark Plug
651 691660 Screw

(Starter Gear Cover)

668 K493823 Spacer
670 692294 Spacer−Fuel Tank

676D 497682 Deflector−Muffler

(Side Out)
(Extended)

677 690661 Screw

(Muffler Deflector)

684 690345 Screw

(Breather Passage
Cover)

689 691855 Spring−Friction
697 691127 Screw

(Drive Cap)

715 691147 Screw

(Stop Shaft)

718 690959 Pin−Locking
721 690449 Stop−Shaft
741 794388 Gear−Timing

(Use Without Woodruff
Key)
(Used After Code Date

07093000).

−−−−−−− Note −−−−−
790345 Gear−Timing

(Use Without Woodruff
Key)
(Used Before Code
Date 07100100).
691830 Gear−Timing
(Uses Woodruff Key)

742 93941 Retainer−E Ring
743 691772 Gear−Drive
745 691648 Screw

(Brake)

783 691918 Gear−Pinion

(Starter)
(19 Teeth)

783A 691269 Gear−Pinion

(12 Teeth)

784 795095 Cover−Starter Gear
785 692352 Gasket−Starter Cover

789A 696547 Harness−Wiring

(Used After Code Date

00040600).

−−−−−−− Note −−−−−
691372 Harness−

Wiring
(Used Before Code
Date 00040700).

801 690782 Cap−Drive
802 695267 Cap−End

(Used After Code Date

00040600).

−−−−−−− Note −−−−−
695975 Cap−End

(Used Before Code
Date 00040700).

803 695266 Housing−Starter

(Used After Code Date

00040600).

−−−−−−− Note −−−−−
695975 Housing−

Starter
(Used Before Code
Date 00040700).

832A 691424 Guard−Muffler

(Square Lo Tone)

832C 691442 Guard−Muffler

(Yardman Guard)

832D 499034 Guard−Muffler

(Used with Super Lo
Tone Muffler Tuned)

836 690664 Screw

(Muffler Guard)

842 K691031 Seal−O Ring

(Dipstick Tube)

843 691884 Lever−Sleeve

(Speed Control)

847 692047 Dipstick/Tube

Assembly

851 493880S Terminal−Spark Plug
853 695268 Adapter−Wire
868 697338 Seal−Valve
869 691155 Seat−Valve

(Intake)

870 690380 Seat−Valve

(Exhaust)

910 691094 Stud

(Alternator)

921A 695886 Cover−Blower Housing
921D 691339 Cover−Blower Housing
957A 692046 Cap−Fuel Tank

(Plastic)

957B 699985 Cap−Fuel Tank

(Plastic)

966 691439 Base−Air Cleaner

Primer

967 273185S Filter−Pre-Cleaner
968 498997 Cover−Air Cleaner

968A 693198 Cover−Air Cleaner

Used on Type No(s).

3118.

969 690700 Screw

(Blower Housing
Cover)

969A 691138 Screw

(Blower Housing
Cover)

972B 699374 Tank−Fuel

(Plastic)

−−−−−−− Note −−−−−
699387 Tank−Fuel

(Plastic)
Used on Type No(s).

1783.

975 493640 Bowl−Float
976 694395 Primer−Carburetor
977 498261 Gasket Set−Carburetor

990A 695951 Key Set

(Touch N Mow)

994 398067 Arrestor−Spark
1005 691346 Fan−Flywheel
1009 696255 Screw

(Starter Motor)

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.

0875−11 Assemblies include all parts shown in frames. 12/05/2007

11

12V800

REF. PART REF. PART REF. PART

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

1019 494256 Kit−Label

−−−−−−− Note −−−−−
790231 Kit−Label

(Touch N Mow)

1036 Label−Emissions

(Available From A
Briggs & Statton
Authorized Dealer)

1058 277039 Operator’s Manual

−−−−−−− Note −−−−−
277101 Operator’s

Manual
(Touch N Mow)

1059 692311 Kit−Screw/Washer

−−−−−−− Note −−−−−
696293 Kit−Screw/

Washer
(Touch N Mow)

1095 498528 Gasket Set−Valve

1119 691648 Screw

(Alternator)

1160 690345 Screw

(Interlock Switch)

1210 498144 Pulley/Spring

Assembly
(Pulley)

1211 498144 Pulley/Spring

Assembly
(Spring)

1236 695959 Starter−Mechanical

(Touch N Mow)
(Do Not Service
Individual Parts,
Only As A Whole)

1319 794467 Label−Warning
1330 270962 Manual−Repair

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.

0875−12 Assemblies include all parts shown in frames. 12/05/2007

12