Briggs & Stratton 31M700 User Manual

Illustrated Parts List

Model Series

31M700

TYPE NUMBERS

0101 THROUGH 0237

TABLE OF CONTENTS

Air Cleaner 5. . . . . . . . . . . . . . . . . . . . . . . . .

Alternator 7. . . . . . . . . . . . . . . . . . . . . . . . . .

Blower Housing 5. . . . . . . . . . . . . . . . . . . .

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

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

Controls 7. . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

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

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

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

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

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

Gasket Set − Engine 2. . . . . . . . . . . . . . . .

Gasket Set − Valve 3. . . . . . . . . . . . . . . . . .

Governor Spring 7. . . . . . . . . . . . . . . . . . . .

Ignition 7. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Kit − Carburetor Overhaul 4. . . . . . . . . . .

Lubrication 3. . . . . . . . . . . . . . . . . . . . . . . . .

Piston, Rings, Connecting Rod 2. . . . . .

Valves 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

REPLACES FORM MS−5643−02/13/2007

FILE IN SECT. 2 OF SERVICE MANUAL

FORM MS−5643−03/13/2007

31M700

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

31M700

29

28

32

1

2

3

25

26

24

24

552

759

691

10

584

43

11

9

1264

1263

27

718

27

306

307

358 ENGINE GASKET SET

3

7

9

524

617

12

20

51

691

842

868

943

1022

1266

1266A

46

45

1035

16

146

741

758

757

1270

1058 OPERATOR’S MANUAL

15

22

1330 REPAIR MANUAL

4A

1017

12

20

415

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

5643−2 Assemblies include all parts shown in frames. 03/13/2007

2

847

31M700

523

965

943

750

1024

842

525

5

524

1027

51

1095 VALVE GASKET SET

33

42

238

51

868

1022

34

868

42

13

35

1026

337

635

383

36

7

45

7

192

830

1029

914

1034

1022

1023

50

617

1022

54

617

51

654

53

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

5643−3 Assemblies include all parts shown in frames. 03/13/2007

3

31M700

125

131

130

95

692

51

118

LMT / PART
NUMBER
LOCATIONS

975

137

987

93

142

133

105

141

104

634

117

106

98

127

947

187B

108

601

94

1091

125A

131A

130A

95A

987A

51

133A

975A

137A

141B

634B

105A

104A

108B

98A

135

127A

137A

94A

117A

118A

276

950

121 CARBURETOR OVERHAUL KIT

51

93

95

977 CARBURETOR GASKET SET

51

104

105

106

117

137

137

142

276

431

1266

WALBRO

276

634

617

240

1266A

987

1266

1266A

431A

1266

240B

51

95A

104A

105A

1127

276A

947A

121A CARBURETOR OVERHAUL KIT

117A

127A

137A

387

187B

385A

387A

385

918

NIKKI

617

634B

987A

1266A

1266

527

480

344

601

601

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

5643−4 Assemblies include all parts shown in frames. 03/13/2007

4

31M700

1279

1265

305A

304

445

967

1267

968

643

1036 EMISSIONS LABEL

1040A

74

73A

668A

305

300

883

676

613A

677

81

864

883

613

613

823

300A

883

613B

832

81

613

836

836A

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

5643−5 Assemblies include all parts shown in frames. 03/13/2007

5

31M700

78

37

1070

363

1005

23

1044

1051

783

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

5643−6 Assemblies include all parts shown in frames. 03/13/2007

6

31M700

DUAL

CIRCUIT

474A 474B 474C

877

878 578878A

544

803

1119

310

NOTE: All stators use a No. mounting screw.
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.

309

1051

510

783

513

801

1059 1059 1059

729A

697

TRI

CIRCUIT

877C877B

10 AMP

526

501

789

729

789A

334

333

851

521

579

462

1090

797

802

311

503

616

216

404

614

202

232

227

562

269

268

271

356

505

222

209

188

270

559

1054

265

267

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

5643−7 Assemblies include all parts shown in frames. 03/13/2007

7

31M700

REF. PART REF. PART REF. PART

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

1 793987 Cylinder Assembly
2 399265 Kit−Bushing/Seal

(Magneto Side)

3 K391086s Seal−Oil

(Magneto Side)

4A 697188 Sump−Engine

5 793990 Head−Cylinder
7 K∆794114 Gasket−Cylinder Head
9 K697109 Gasket−Breather

10 697157 Screw

(Breather Assembly)

11 697113 Tube−Breather
12 K697110 Gasket−Crankcase

(.015” Thick)
(Standard)

13 793988 Screw

(Cylinder Head)
(Used After Code Date

07011400).

−−−−−− Note −−−−−−
690360 Scew

(Cylinder Head)
(Used Before Code
Date 07011500).

15 690946 Plug−Oil Drain

(Square Head)

−−−−−− Note −−−−−−
691680 Plug−Oil Drain

(Square Socket)
Used on Type No(s).

0215.

16 697516 Crankshaft
20 K791892 Seal−Oil

(PTO Side)

22 692125 Screw

(Crankcase
Cover/Sump)

23 693557 Flywheel

Used on Type No(s).
0215, 0234.

−−−−−− Note −−−−−−
693556 Flywheel

Used on Type No(s).
0101, 0111, 0112,
0167, 0237.

24 222698s Key−Flywheel
25 792507 Piston Assembly

(Standard)

−−−−−− Note −−−−−−
792648 Piston

Assembly
(.020” Oversize)

26 791936 Ring Set

(Standard)
(Used After Code Date

06010100).

−−−−−− Note −−−−−−
792649 Ring Set

(.020” Oversize)
(Used After Code Date

06010100).
699051 Ring set
(Standard)
(Used Before Code
Date 06010200).
697559 Ring Set
(.020” Oversize)
(Used Before Code
Date 06010200).

27 698469 Lock−Piston Pin
28 697099 Pin−Piston
29 791632 Rod−Connecting

(Standard)

−−−−−− Note −−−−−−
697264 Rod−

Connecting
(.020” Undersize)
(Used Before Code
Date 05040400).

32 791118 Screw

(Connecting Rod)

33 792868 Valve−Exhaust
34 791935 Valve−Intake
35 691279 Spring−Valve

(Intake)

36 691279 Spring−Valve

(Exhaust)

37 697108 Guard−Flywheel
42 499586 Keeper−Valve
43 691968 Slinger−Governor/Oil
45 690564 Tappet−Valve
46 793583 Camshaft
50 690193 Manifold−Intake
51K∆D

z692137Gasket−Intake

53 690227 Stud

(Carburetor)

54 691148 Screw

(Intake Manifold)

73A 494439 Screen−Rotating

74 691674 Screw

(Rotating Screen)

78 691003 Screw

(Flywheel Guard)

81 691178 Lock−Muffler Screw
93 D690602 Bushing−Throttle Shaft
94 498030 Kit−Idle Mixture

94A 695425 Kit−Idle Mixture

95 D691636 Screw

(Throttle Valve)

95A D690718 Screw

(Throttle Valve)

98 495800 Kit−Idle Speed

98A 695408 Kit−Idle Speed

104 D690525 Pin−Float Hinge

104A D694918 Pin−Float Hinge

105 D231855s Valve−Float Needle

105A D696136 Valve−Float Needle

106 D690577 Seat−Inlet

(Gravity Feed)

−−−−−− Note −−−−−−

D691780 Seat−Inlet
(Pump Feed)

108 692344 Valve−Choke

108B 695419 Valve

117 D694352 Jet−Main

117A D699457 Jet−Main

118 697228 Jet−Main

118A 699458 Jet−Main

121 697241 Kit−Carburetor

121A 699521 Kit−Carburetor

125 791888 Carburetor

125A 792358 Carburetor

−Choke

(Standard)

(Standard)

(High Altitude)

(High Altitude)

Overhaul
(Walbro)

Overhaul
(Nikki Carburetor)

(Walbro)(Gravity Feed)

(Nikki)(Gravity Feed)

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

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.

5643−8 Assemblies include all parts shown in frames. 03/13/2007

8

31M700

REF. PART REF. PART REF. PART

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

127 695005 Plug−Welch

127A D690727 Plug−Welch

130 691750 Valve−Throttle

130A 699500 Valve−Throttle

131 790901 Kit−Throttle Shaft

131A 699501 Kit−Throttle Shaft

133 494381 Float−Carburetor

133A 694914 Float−Carburetor

135 698780 Tube−Fuel Transfer

(Nikki)(Gravity Feed)

−−−−−− Note −−−−−−
792022 Tube−Fuel

Transfer
(Nikki)(Pump Feed)

137D

z281165s Gasket−Float Bowl

137A D698781 Gasket−Float Bowl

141 790902 Kit−Choke Shaft

141B 695420 Kit−Choke Shaft

142 D697140 Nozzle−Carburetor

(Standard)

146 691639 Key−Timing

187B 791805 Line−Fuel

(Formed)(10−1/4
Inches Long)(Cut to
Required Length)

188 691693 Screw

(Control Bracket)

192 691986 Adjuster−Rocker Arm
202 691841 Link−Mechanical

Governor

209 692208 Spring−Governor

−−−−−− Note −−−−−−
790602 Spring−

Governor
Used on Type No(s).

0112.

216 691840 Link−Choke
222 694042 Bracket−Control
227 691374 Lever−Governor

Control

232 691842 Spring−Governor Link
238 691843 Cap−Valve
240 394358s Filter−Fuel

(White, 75 Microns)
Used on Type No(s).
0101, 0215, 0234,

0237.

240B 695666 Filter−Fuel

(Includes 30 Micron
Paper Element)
Used on Type No(s).
0111, 0112, 0167.

265 691024 Clamp−Casing
267 695134 Screw

(Casing Clamp)

−−−−−− Note −−−−−−
690804 Screw

(Casing Clamp)
Used on Type No(s).
0101, 0111, 0112.

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
276 D

z692255 Washer−Sealing

276A 695410 Washer−Sealing

300 697349 Muffler

Used on Type No(s).

0111.

300A 698356 Muffler

Used on Type No(s).

0112.

304 790009 Housing−Blower

(Black)

305 697102 Screw

(Blower Housing)

305A 697103 Screw

(Blower Housing)

306 697107 Shield−Cylinder
307 691003 Screw

(Cylinder Shield)

309 693551 Motor−Starter
310 690323 Screw

(Starter Motor)

311 497608 Brush Set
333 492341 Armature−Magneto
334 691061 Screw

(Magneto Armature)

337 491055s Plug−Spark

Used on Type No(s).
0101, 0112, 0215,

0234.

−−−−−− Note −−−−−−
691043 Plug−Spark

Used on Type No(s).
0167, 0237.

344 693675 Screw

(Cable Clamp)

356 697089 Wire−Stop

Used on Type No(s).
0101, 0111, 0167,

0237.

358 794150 Gasket Set−Engine
363 19203 Puller−Flywheel
383 89838s Wrench−Spark Plug
385 694476 Screw

(Fuel Pump)
Used on Type No(s).
0111, 0112, 0167.

385A 690297 Screw

(Fuel Pump)
Used on Type No(s).
0111, 0112, 0167.

387 697090 Pump−Fuel

Used on Type No(s).
0111, 0112, 0167.

387A 808656 Pump−Fuel

Used on Type No(s).
0111, 0112, 0167.

404 691691

415 690283 Plug

431 697122 Elbow−Intake
445 697153 Filter−Air Cleaner

462 691261 Washer

474A 696459 Alternator

474B 696457 Alternator

474C 696458 Alternator

480 693675 Screw

Washer
(Governor Crank)

(Engine Sump)

Cartridge
(Washable)

(Starter Cable)

(Dual Circuit)
Used on Type No(s).
0215, 0234.

(Tri Circuit)
Used on Type No(s).
0101, 0112, 0237.

(10 Amp Circuit)
Used on Type No(s).
0111, 0167.

(Tube Clamp)

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

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.

5643−9 Assemblies include all parts shown in frames. 03/13/2007

9

31M700

REF. PART REF. PART REF. PART

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

501 691188 Regulator

Used on Type No(s).
0101, 0112, 0237.

−−−−−− Note −−−−−−
691185 Regulator

Used on Type No(s).
0111, 0167.

503 691532 Strap−Starter
505 691251 Nut

(Governor Control
Lever)

510 693699 Drive−Starter
513 692024 Clutch−Drive
521 690581 Shield−Cable
523 699908 Dipstick
524 K691032 Seal−Dipstick Tube
525 697184 Tube−Dipstick

Used on Type No(s).
0101, 0112, 0215,
0234, 0237.

−−−−−− Note −−−−−−
697085 Tube−Dipstick

Used on Type No(s).
0111, 0167.

526 697088 Screw

(Regulator)
Used on Type No(s).
0101, 0112, 0237.

−−−−−− Note −−−−−−
697348 Screw

(Regulator)
Used on Type No(s).
0111, 0167.

527 698467 Clamp−Tube
544 692034 Armature−Starter
552 697144 Bushing−Governor

Crank

559 697561 Screw

(Remote Choke Stop)
Used on Type No(s).
0111, 0237.

−−−−−− Note −−−−−−
693675 Screw

(Remote Choke Stop)
Used on Type No(s).

0112.

562 691119 Bolt

(Governor Control
Lever)

578 692306 Wire Assembly
579 691029 Nut

(Starter Cable)

584 697112 Cover−Breather

Passage

601 791850 Clamp−Hose
613 691416 Screw

(Muffler)

613A 690297 Screw

(Muffler)

613B 691678 Screw

(Muffler)

614 691620 Pin−Cotter
616 692012 Crank−Governor
617 KD692138 Seal−O Ring

(Intake Manifold)

634 D690802 Spring/Seal Assembly

634B D698779 Spring/Seal Assembly

635 691909 Boot−Spark Plug
643 698401 Retainer−Air Filter
654 690958 Nut

(Carburetor)

668A 691500 Spacer

(Rotating Screen)

676 397630 Deflector−Muffler

Used on Type No(s).

0112.

677 690661 Screw

(Muffler Deflector)
Used on Type No(s).

0112.

691 K692407 Seal−Governor Shaft
692 690572 Spring−Detent
697 690372 Screw

(Drive Cap)

718 690959 Pin−Locating
729 691335 Clip−Wire

(Wire Saddle)

729A 691224 Clip−Wire

(Aluminum Coated
Steel)

741 697128 Gear−Timing
750 790832 Screw

(Oil Pump Cover)

757 697607 Link−Counterweight
758 697134 Counterweight
759 697392 Pin−Counterweight
783 693713 Gear−
789 692037 Harness−Wiring

Pinion

Used on Type No(s).
0101, 0111, 0112,

0167.

789A 698329 Harness−Wiring

Used on Type No(s).
0215, 0234, 0237.

797 693167 Nut

(Brush Retainer)

801 691283 Cap−Drive
802 691286 Cap−End
803 Housing−Starter

(Not Serviced
Separately, Order
Starter Motor 693551)

823 698941 Screw

(Muffler Adapter)
Used on Type No(s).
0111, 0112.

830 691095 Stud−Rocker Arm
832 790244 Guard−Muffler

Used on Type No(s).

0112.

836 691676 Screw

(Muffler Guard)

836A 690367 Screw

(Muffler Guard)

842 K691031 Seal−O Ring

(Dipstick Tube)

847 790442 Dipstick/Tube

Assembly
Used on Type No(s).
0101, 0215, 0234,

0237.

−−−−−− Note −−−−−−
790443 Dipstick/Tube

Assembly
Used on Type No(s).
0111, 0112, 0167.

851 692424 Terminal−Spark Plug
864 697346 Adapter−Muffler

Used on Type No(s).
0111, 0112.

868 K∆690968 Seal−Valve
877 393456 Wire/Connector−Altern

ator
(Dual Circuit)

877B 393537 Wire/Connector−Altern

ator
(Tri Circuit)

877C 399916 Wire/Connector−Altern

ator
(10 Amp Circuit)

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

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.

5643−10 Assemblies include all parts shown in frames. 03/13/2007

10

31M700

REF. PART REF. PART REF. PART

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

878 398661 Harness−Alternator

(Dual Circuit)

878A 691955 Harness−Alternator

(Tri Circuit)

883 692236 Gasket−Exhaust
914 691108 Screw

(Rocker Cover)

918 791851 Hose−Vacuum

Used on Type No(s).
0111, 0112, 0167.

943 K690589 Seal−O Ring

(Oil Pump Cover)

947 694393 Solenoid−Fuel

947A 699915 Solenoid−Fuel

950 691657 Screw−Float Bowl
965 499613 Cover−Oil Pump
967 697015 Filter−Pre Cleaner
968 697574 Cover−Air Cleaner
975 495933 Bowl−Float

975A 699502 Bowl−Float

977 690192 Gasket Set−Carburetor
987 D691326 Seal−Throttle Shaft

987A D698777 Seal−Throttle Shaft

1005 697111 Fan−Flywheel
1017 690770 Screen−Oil Pump

(Push In)

1022K∆272475s Gasket−Rocker Cover
1023 791079 Cover−Rocker
1024 499054 Pump−Oil
1026 692003 Rod−Push

(Intake)

−−−−−− Note −−−−−−
692011 Rod−Push

(Exhaust)

1027 696854 Filter−Oil
1029 691751 Arm−Rocker
1034 690822 Guide−Push Rod
1035 693784 Shaft−Pump
1036 Label−Emissions

(Available From A
Briggs & Stratton
Authorized Dealer)

1040A 698470 Plate−Trim

1044 698139 Screw

(Flywheel)

1051 691265 Ring−Retaining
1054 280275 Tie−Cable
1058 276344 Operator’s Manual
1059 698516 Kit−Screw/Washer
1070 690372 Screw

(Flywheel Fan)

1090 691293 Retainer−Brush
1091 691333 Cap−Limiter
1095 690190 Gasket Set−Valve

1119 691183 Screw

(Alternator)

1127 695407 Screw

(Float Bowl)

1263 697124 Reed−Breather
1264 697104 Screw

(Breather Reed)

1265 697125 Support−Blower

Housing

1266 KD691917 Seal−O Ring

(Intake Elbow)

1266A KD697123 Seal−O Ring

(Intake Elbow)

1267 697575 Latch−Blower Housing
1270 697156 Plug−AV S

Counterweight

1279 691108 Screw

(Blower Housing
Support)

1330 272147 Repair Manual

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

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.

5643−11 Assemblies include all parts shown in frames. 03/13/2007

11