Briggs & Stratton 31D707 User manual

COPYRIGHT by BRIGGS & STRATTON CORPORATION
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.
PRINTED IN U.S.A.
FORM MS−5515−11/13/2007
REPLACES FORM MS−5515−07/12/2007
FILE IN SECT. 2 OF SERVICE MANUAL
31D700
Illustrated Parts List
Model Series
31D700
TYPE NUMBERS
0035 through 0601.
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 5. . . . . . . . . . . . . . . . . . . . . . . . .
Governor Spring 7. . . . . . . . . . . . . . . . . . . .
Ignition 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Kit −Carburetor Overhaul 4. . . . . . . . . . . .
Gasket Set −Engine 2. . . . . . . . . . . . . . . . .
Gasket Set −Valve 3. . . . . . . . . . . . . . . . . .
Lubrication 3. . . . . . . . . . . . . . . . . . . . . . . . .
Operator’s Manual 2. . . . . . . . . . . . . . . . . .
Piston, Rings, Connecting Rod 2. . . . . . .
Valves 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Label 2. . . . . . . . . . . . . . . . . . . . . .

31D700
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5515−2Assemblies include all parts shown in frames. 11/13/2007
2
4A
12
20
1017
415
1032
29 32
307
306
718
3
22
15
1
2
24
691
552
10
358 ENGINE GASKET SET
11
584
9
1263
1264
43
1270
758
759
757
524
1022
943
12
9
7
3
868
842
691
51
20
617
1266
27
28
26
27
25
741
146
883
16 46
24
45
12
20
4
1058 OPERATOR’S MANUAL 1319 WARNING LABEL
REQUIRED when replacing parts
with warning labels affixed.
850
239

31D700
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5515−3Assemblies include all parts shown in frames. 11/13/2007
3
51
617
50
617
830
1034
1022
51
7
238 36
868
1029
33
534
192
35
1027
45
383
337
635
1026
13
1022
868
51
1095 VALVE GASKET SET
7
847
523
842
525
524
750
943
965
42
42
883
1022
1023
914
850
53
54 654
1024
1024A

31D700
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5515−4Assemblies include all parts shown in frames. 11/13/2007
4
94
133
276
137
104
105
142 1091
634
51
93
987
95
130
98
947
975
125 141
131
LMT / PART
NUMBER
LOCATIONS
108
117
106
121 CARBURETOR OVERHAUL KIT
977 CARBURETOR GASKET SET
51 137 276
51
95
104
105
106
137
142
987
634
276
93
127
1266A
1266
617
950
431 1266A
1266
240
692
187B
601
118
121A CARBURETOR OVERHAUL KIT
95A
104A
105A
127A
617
987A
634B
51
1266
1266A
WALBRO
187B
601
104A
105A
51
634B
987A
95A
130A
NIKKI
98A
133A
94A
117A
141B
131A
127A
108B 118A
344
135
137A
1127
975A
137A
137A
947A
276A
125A
141C
1146

31D700
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5515−5Assemblies include all parts shown in frames. 11/13/2007
5
1267
967
305
643
968
304
305A
1036 EMISSIONS LABEL
1040
445

31D700
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5515−6Assemblies include all parts shown in frames. 11/13/2007
6
37
78
783
1051
23
363 1044
73
74
1070
1005
1005A 415A
1070A
73A
1005B

31D700
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5515−7Assemblies include all parts shown in frames. 11/13/2007
7
851
334
333
1054
216 202
232
268
269
271
270
267
265
209
222
188
616
404
614
562
505
227
697
1051
510
513
783
802
462
579
503
310
803
544
801
309
1090 311
797
789A
521
NOTE: All stators use a No. mounting screw.
1119
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.
559
356
729A
878
474A
877
DUAL
CIRCUIT
878A
474B
877B
TRI
CIRCUIT
526A
REGULATED
1059
501A
1059
5/9 AMP

REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
31D700
KIncluded in Engine Gasket Set−Ref. No. 358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121 or 121A.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
ΔIncluded 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.
5515−8Assemblies include all parts shown in frames. 11/13/2007
8
1 793987 Cylinder Assembly
2 399265 Kit−Bushing/Seal
(Magneto Side)
3K391086S Seal−Oil
(Magneto Side)
4 697106 Sump−Engine
Used on Type No(s).
0193, 0232, 0419,
0458, 0567, 0601.
4A 697188 Sump−Engine
Used on Type No(s).
0035, 0233, 0235,
0236, 0339.
5 793989 Head−Cylinder
7KΔ699168 Gasket−Cylinder Head
9K697109 Gasket−Breather
(Used Before Code
Date 07071900).
(After Date Code Use
Liquid Sealant
Reference 850)
10 697157 Screw
(Breather Assembly)
11 794683 Tube−Breather
(Used After Code Date
07071800).
−−−−−− Note −−−−−−
697113 Tube−Breather
(Used Before Code
Date 07071900).
12 K697110 Gasket−Crankcase
(.015” Thick)
(Standard)
13 793988 Screw
(Cylinder Head)
(Used After Code Date
07011400).
−−−−−− Note −−−−−−
690360 Screw
(Cylinder Head)
(Used Before Code
Date 07011500).
15 690946 Plug−Oil Drain
(3/8” Diameter)
16 697127 Crankshaft
20 K791892 Seal−Oil
(PTO Side)
22 692125 Screw
(Crankcase
Cover/Sump)
23 693557 Flywheel
−−−−−− Note −−−−−−
693556 Flywheel
Used on Type No(s).
0419.
24 222698S Key−Flywheel
25 792507 Piston Assembly
(Standard)
−−−−−− Note −−−−−−
792648 Piston
Assembly
(.020” Oversize)
26 791936 Ring Set
(Standard)
−−−−−− Note −−−−−−
792649 Ring Set
(.020” Oversize)
27 698469 Lock−Piston Pin
28 697099 Pin−Piston
(Standard)
29 791631 Rod−Connecting
(Standard)
32 791118 Screw
(Connecting Rod)
33 791934 Valve−Exhaust
(Used After Code Date
06021200).
−−−−−− Note −−−−−−
695760 Valve−Exhaust
(Used Before Code
Date 06021300).
34 791935 Valve−Intake
(Used After Code Date
06021200).
−−−−−− Note −−−−−−
695761 Valve−Intake
(Used Before Code
Date 06021300).
35 691279 Spring−Valve
(Intake)
36 691279 Spring−Valve
(Exhaust)
37 697352 Guard−Flywheel
42 499586 Keeper−Valve
43 691968 Slinger−Governor/Oil
45 690564 Tappet−Valve
46 793880 Camshaft
50 690193 Manifold−Intake
51KΔD692137 Gasket−Intake
53 690227 Stud
(Carburetor)
54 691148 Screw
(Intake Manifold)
73 697133 Screen−Rotating
(Used Before Code
Date 07040900).
73A 794436 Screen−Rotating
(Used After Code Date
07040800).
74 697897 Screw
(Rotating Screen)
78 691003 Screw
(Flywheel Guard)
93 D690602 Bushing−Throttle Shaft
(Walbro)
94 498030 Kit−Idle Mixture
(Walbro)
94A 695425 Kit−Idle Mixture
(Nikki)
95 D691636 Screw
(Throttle Valve)
(Walbro)
95A D690718 Screw
(Throttle Valve)
(Nikki)
98 495800 Kit−Idle Speed
(Walbro)
98A 695408 Kit−Idle Speed
(Nikki)
104 D690525 Pin−Float Hinge
(Walbro)
104A D694918 Pin−Float Hinge
(Nikki)
105 D231855S Valve−Float Needle
(Walbro)
105A D696136 Valve−Float Needle
(Nikki)
106 D690577 Seat−Inlet
(Walbro)
108 692344 Valve−Choke
(Walbro)
108B 695419 Valve−Choke
(Nikki)

REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
31D700
KIncluded in Engine Gasket Set−Ref. No.358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121, or 121A.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
ΔIncluded 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.
5515−9Assemblies include all parts shown in frames. 11/13/2007
9
117 D694352 Jet−Main
(Standard)
(Walbro)
117A 792296 Jet−Main
(Standard)(Carburetor
Part No. 791722 and
792060)
−−−−−− Note −−−−−−
699457 Jet−Main
(Standard)(Carburetor
Part No. 697203)
118 697228 Jet−Main
(High Altitude)
(Walbro)
118A 699458 Jet−Main
(High Altitude)
(Nikki)
121 697241 Kit−Carburetor
Overhaul
(Walbro Carburetor)
121A 699521 Kit−Carburetor
Overhaul
(Nikki Carburetor)
125 793224 Carburetor
(Walbro)(Gravity Feed)
125A 792358 Carburetor
(Nikki)(Gravity Feed)
127 695005 Plug−Welch
(Walbro)
127A D690727 Plug−Welch
(Nikki)
130 691750 Valve−Throttle
(Walbro)
130A 699500 Valve−Throttle
(Nikki)
131 790901 Kit−Throttle Shaft
(Walbro)
131A 699501 Kit−Throttle Shaft
(Nikki)
133 494381 Float−Carburetor
(Walbro)
133A 694914 Float−Carburetor
(Nikki)
135 698780 Tube−Fuel Transfer
(Walbro)
137 D281165S Gasket−Float Bowl
(Walbro)
137A D698781 Gasket−Float Bowl
(Nikki)
141 790902 Kit−Choke Shaft
(Walbro)
141B 695420 Kit−Choke Shaft
(Nikki)
141C 793386 Kit−Choke Shaft
(Manual Choke)
142 D697140 Nozzle−Carburetor
(Standard)
(Walbro)
146 691639 Key−Timing
187B 791805 Line−Fuel
(Formed)
(10−1/4” 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 −−−−−−
260902 Spring−
Governor
Used on Type No(s).
0236.
690576 Spring−
Governor
Used on Type No(s).
0339.
216 691840 Link−Choke
222 694042 Bracket−Control
227 691374 Lever−Governor
Control
232 691842 Spring−Governor Link
238 691843 Cap−Valve
239 694115 Switch−Oil Pressure
240 298090 Filter−Fuel
(Red, 150 Microns)
−−−−−− Note −−−−−−
394358S Filter−Fuel
(White, 75 Microns)
265 691024 Clamp−Casing
Used on Type No(s).
0035, 0193, 0235,
0236, 0339, 0419,
0567, 0458, 0601.
267 794904 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
276 D692255 Washer−Sealing
(Walbro)
276A 695410 Washer−Sealing
(Nikki)
304 698402 Housing−Blower
(Red)
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 795315 Armature−Magneto
334 691061 Screw
(Magneto Armature)
337 491055S Plug−Spark
−−−−−− Note −−−−−−
691043 Plug−Spark
Used on Type No(s).
0236, 0339, 0419,
0567.
344 697561 Screw
(Cable Clamp)
356 697089 Wire−Stop
358 794150 Gasket Set−Engine

REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
31D700
KIncluded in Engine Gasket Set−Ref. No. 358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121 or 121A.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
ΔIncluded 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.
5515−10 Assemblies include all parts shown in frames. 11/13/2007
10
363 19203 Puller−Flywheel
383 89838S Wrench−Spark Plug
404 691691 Washer
(Governor Crank)
415 690283 Plug
(Crankcase
Cover/Sump)
415A 794129 Plug
(Cover/Retainer)
431 697122 Elbow−Intake
445 698083 Filter−Air Cleaner
Cartridge
(Non Washable)
462 691261 Washer
(Starter Cable)
474A 696459 Alternator
(Dual Circuit)
Used on Type No(s).
0035, 0193, 0232,
0233, 0235, 0236,
0339, 0458, 0567,
0601.
474B 696457 Alternator
(Tri Circuit)
Used on Type No(s).
0419.
501A 691188 Regulator
Used on Type No(s).
0419.
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
526A 697088 Screw
(Regulator)
544 692034 Armature−Starter
552 697144 Bushing−Governor
Crank
559 693675 Screw
(Remote Choke Stop)
562 691119 Bolt
(Governor Control
Lever)
579 691029 Nut
(Starter Cable)
584 794682 Cover−Breather
Passage
(Used After Code Date
07071800).
(Use With Liquid
Sealant Reference
850)
−−−−−− Note −−−−−−
697112 Cover−
Breather Passage
(Used Before Code
Date 07071900).
601 791850 Clamp−Hose
614 691620 Pin−Cotter
616 692012 Crank−Governor
617 KD692138 Seal−O Ring
(Intake Manifold)
634 D690802 Spring/Seal Assembly
(Walbro)
634B D698779 Spring/Seal Assembly
(Nikki)
635 691909 Boot−Spark Plug
643 698401 Retainer−Air Filter
654 690958 Nut
(Carburetor)
691 K692407 Seal−Governor Shaft
692 690572 Spring−Detent
697 690372 Screw
(Drive Cap)
718 690959 Pin−Locating
729A 691224 Clip−Wire
741 697128 Gear−Timing
750 790832 Screw
(Oil Pump Cover)
757 697607 Link−Counterweight
758 697134 Counterweight
759 697392 Pin−Counterweight
783 693713 Gear−Pinion
789A 698329 Harness−Wiring
797 693167 Nut
(Brush Retainer)
801 691283 Cap−Drive
802 691286 Cap−End
803 Housing−Starter
(Not Serviced
Separately, Order
Starter Motor 693551)
830 691095 Stud−Rocker Arm
842 K691031 Seal−O Ring
(Dipstick Tube)
847 790442 Dipstick/Tube
Assembly
850 100100 Sealant−Liquid
(Rocker Cover Gasket
and Breather Gasket)
(Used After Code Date
07071800).
851 692424 Terminal−Spark Plug
868 KΔ690968 Seal−Valve
877 393456 Wire/Connector−
Alternator
(Dual Circuit)
877B 393537 Wire/Connector−
Alternator
(Tri Circuit)
878 398661 Harness−Alternator
(Dual Circuit)
878A 691955 Harness−Alternator
(Tri Circuit)
883 K692236 Gasket−Exhaust
914 691108 Screw
(Rocker Cover)
943 K690589 Seal−O Ring
(Oil Pump Cover)
947 694393 Solenoid−Fuel
(Walbro)
947A 699915 Solenoid−Fuel
(Nikki)
950 691657 Screw−Float Bowl
965 499613 Cover−Oil Pump
Used on Type No(s).
0035, 0233, 0235,
0236, 0339.
967 697015 Filter−Pre Cleaner
968 698403 Cover−Air Cleaner
(Black)

REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
31D700
KIncluded in Engine Gasket Set−Ref. No.358.
DIncluded in Carburetor Overhaul Kit−Ref. No. 121, or 121A.
zIncluded in Carburetor Gasket Set−Ref. No. 977.
ΔIncluded 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.
5515−11 Assemblies include all parts shown in frames. 11/13/2007
11
975 495933 Bowl−Float
(Walbro)
975A 699502 Bowl−Float
(Nikki)
977 690192 Gasket Set−Carburetor
(Walbro)
987 D691326 Seal−Throttle Shaft
(Walbro)
987A D698777 Seal−Throttle Shaft
(Nikki)
1005 794438 Fan−Flywheel
(Used After Code Date
07040800).
1005A 794436 Fan−Flywheel
(Used Before Code
Date 07040900).
1005B Fan−Flywheel
(No Longer Available)
(See Reference1005A
For Service Flywheel
Fan).
1017 690770 Screen−Oil Pump
(Push In)
1022KΔ272475S Gasket−Rocker Cover
(Used Before Code
Date 07091000).
(After Date Code Use
liquid Sealant
Reference 850)
1023 791079 Cover−Rocker
1024 499054 Pump−Oil
(Used Before Code
Date 07051700).
1024A 794644 Pump−Oil
(Used After Code Date
07051600).
1026 692003 Rod−Push
(Intake)
−−−−−− Note −−−−−−
692011 Rod−Push
(Exhaust)
1027 492932S Filter−Oil
Used on Type No(s).
0035, 0233, 0235,
0236, 0339.
1029 691751 Arm−Rocker
1032 491710 Ball−Oil Pump
1034 690822 Guide−Push Rod
1036 Label−Emissions
(Available From A
Briggs & Stratton
Authorized Dealer)
1040 698368 Plate−Trim
1044 698139 Screw
(Flywheel)
1051 691265 Ring−Retaining
1054 280275 Tie−Cable
1058 276344 Manual−Operator’s
−−−−−− Note −−−−−−
MS3788 Manual−
Operator’s
Used on Type No(s).
0232, 0233.
1059 698516 Kit−Screw/Washer
1070 690372 Screw
(Flywheel Fan)
(Used Before Code
Date 07040900).
1070A 690363 Screw
(Flywheel Fan)
(Used After Code Date
07040800).
1090 691293 Retainer−Brush
1091 691333 Cap−Limiter
1095 690190 Gasket Set−Valve
1119 691183 Screw
(Alternator)
1127 695407 Screw
(Float Bowl)
1146 793380 Screw
(Manual Choke)
1263 697124 Reed−Breather
1264 697104 Screw
(Breather Reed)
1266 KD691917 Seal−O Ring
(Intake Elbow)
1266A D697123 Seal−O Ring
(Intake Elbow)
1267 697575 Latch−Blower Housing
1270 697156 Plug−AVS
Counterweight
1319 794467 Label−Warning