Briggs & Stratton 233400, 233499 User Manual
233400 to 233499
Illustrated Parts List
Model Series
233400 to 233499
TYPE NUMBERS
0533, 0611, 0616,
0631 through 0652,
1111, 1116,
1130 through 1156,
2020 through 2061,
2520 through 2531,
2540, 2541, 2561.
REPLACES FORM MS–7584–8/92
FILE IN SECT. 2 OF SERVICE MANUAL
FORM MS–7584–6/98
TO FIND
THE CORRECT NUMBER OF THE PART YOU NEED:
FOLLOW THE INSTRUCTIONS BELOW
A. Refer to Engine Model, Type and Code Number that is stamped on the blower housing of engine.
Engine type numbers such as 0123 01 are listed only as 0123 in most instances. The two digits (01
or 02, etc.) to the right of the space may be required for more accurate parts identification in some
instances. Select the Illustrated Parts List covering the correct Model Series and Type Number.
B. Refer to the Illustrations and compare the original part with Illustration. The number next to the
illustration is the Reference Number. Assemblies include all parts shown in frames. All parts shown
in assembly frames having individual reference numbers can be purchased separately.
C. After the Reference Number has been identified, refer to the Numerical text, where Reference and
Primary Part Number are listed. THE PRIMARY PART IS USED ON ALL TYPE NUMBERS
EXCEPT THOSE TYPE NUMBERS UNDER “NOTE.”
D. If a “Note” appears below the Primary Part Number, it means that this part differs from the Primary
Part for certain types. If your Type number is listed under “Note,” order the part referred to at the
“Note.”
E. If your Engine Type Number does not appear after any part number listed under “Note,” use the
Primary Part Number.
F. For Engine Type Numbers not covered by this book, check other Parts Lists having the same
engine model or contact your source of supply.
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
233400 to 233499
1 8
552
362
10
871
870
9
383
635
347
869
337
308
5
724
645
11
306
305
723
722
342
572
305
7
1019 LABEL KIT
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1058 OWNER’S MANUAL
REQUIRES SPECIAL TOOLS TO INSTALL.
SEE REPAIR INSTRUCTION MANUAL.
13
6
1 395668 Cylinder Assembly
5 210580 Head–Cylinder
––––––– Note –––––
211660 Head–Cylinder
Used on Type No(s).
0638, 0643, 0647,
0648, 0650, 0652,
1131, 1135, 1137,
1146, 1149, 1150,
2027, 2031, 2527.
6 22963 Washer–Flat
7 K272165 Gasket–Cylinder Head
8 495738 Breather Assembly
9 K27803 Gasket–Breather
10 94621 Screw–Hex.
11 68818 Tube–Breather
13 92674 Screw–Hex.
––––––– Note –––––
94926 Screw–Hex.
Used on Type No(s).
1130, 1144, 1147,
1154, 1155.
305 94786 Screw–Hex.
306 22951 Shield–Cylinder
308 291866 Cover–Cylinder
337 298809 Plug–Spark
(1 1/2” High)
––––––– Note –––––
492167 Plug–Spark
(1 7/8” High)
802592 Plug–Spark
(Resistor Type)
(1 7/8” High)
342 298125 Plunger–Breaker
347 220197 Switch–Stop
––––––– Note –––––
29372 Switch–Stop
Used on Type No(s).
0533, 0640.
231070 Switch–Stop
Used on Type No(s).
0651, 2020, 2021,
2022, 2024, 2030,
2040, 2041, 2061,
2520, 2521, 2522,
2524, 2530, 2540,
2541, 2561.
293739 Switch–Stop
(For 2” High, 51mm
Spark Plug)
––––––– Note –––––
390785 Switch–Stop
Used on Type No(s).
0652, 1131.
362 392273 Shield–Spark Plug
(With Stop Switch)
383 89838 Wrench–Spark Plug
552 393666 Bushing–Governor-
Crank
572 291871 Guide–Control Rod
635 66538 Boot–Spark Plug
645 230775 Bushing–Plunger
722 68768 Seal–Plunger
723 93516 Retainer–Seal
724 221873 Retainer–Seal
869 21880 Seat–Valve
(Intake)
870 21612 Seat–Valve
(Exhaust)
871 231218 Bushing–Guide
(Exhaust)
1019 491256 Label Kit
1058 270373 Owner’s Manual
Nonemission Engines
K Included in Gasket Set–See Ref. No. 291728. D Included in Carburetor Kit–Part No. 395670.
7584–2 Assemblies include all parts shown in frames. 68
2
233400 to 233499
29
28
27
571A
728
25
26
20
30
31
32
571
12
593
20A
27
123
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
12 K270789 Gasket–Bearing
Support
20 K291675 Seal–Oil
20A K391086 Seal–Oil
25 294676 Piston Assembly
(Standard)
––––––– Note –––––
294677 Piston Assy.
(.010” O.S.)
294678 Piston Assy.
(.020” O.S.)
294679 Piston Assy.
(.030” O.S.)
26 292100 Ring Set
(Standard)
––––––– Note –––––
298746 Ring Set
(Chrome Standard)
292101 Ring Set
(.010” O.S.)
292102 Ring Set
(.020” O.S.)
292103 Ring Set
(.030” O.S.)
27 68546 Lock–Piston Pin
28 298401 Pin–Piston
(Standard)
––––––– Note –––––
294681 Pin–Piston
(.005” O.S.)
29 298400 Rod–Connecting
(Standard)
––––––– Note –––––
390304 Rod–Conn.
(.020” Undersize)
30 220805 Dipper–Conn. Rod
31 22946 Lock–Rod Screw
32 230557 Screw–Conn. Rod
123 93415 Screw–Hex.
571 291672 Support–Bearing
––––––– Note –––––
291662 Support–
Bearing
Used on Type No(s).
1143.
571A 291665 Support–Bearing
(Ball Bearing)
––––––– Note –––––
291283 Support–
Bearing
(Plain Bearing)
Used on Type No(s).
1143.
291710 Support–
Bearing
(Ball Bearing)
Used on Type No(s).
0631, 0634, 0638,
0651, 1136, 1144,
1145, 1146, 1153,
1155.
593 K27349 Gasket–Bearing
Support
(.020” Thick)
––––––– Note –––––
K27374 Gasket–
Bearing Support
(.005” Thick)
K27375 Gasket–
Bearing Support
(.009” Thick)
728 94627 Screw–Hex.
K Included in Gasket Set–See Ref. No. 291728. D Included in Carburetor Kit–Part No. 395670.
7584–3 Assemblies include all parts shown in frames. 68
3
233400 to 233499
17
24
33 34
16
553
35
40
41
17
377
591
46
554
219
225
553
35
40
41
40A
45 45
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
16 260761 Crankshaft
––––––– Note –––––
260134 Crankshaft
Used on Type No(s).
0631.
260760 Crankshaft
Used on Type No(s).
0632, 0638, 0650,
0651, 1137, 1138,
1144, 1153, 1155,
2021, 2521.
260762 Crankshaft
Used on Type No(s).
0634, 0642, 1136,
2026, 2526.
260763 Crankshaft
Used on Type No(s).
0643, 0647, 1146,
1149, 2024, 2524.
260764 Crankshaft
Used on Type No(s).
0533, 0616, 0641,
0644, 0646, 1116,
1133, 1142, 1148,
1151, 1156, 2030,
2031, 2530, 2531.
260765 Crankshaft
Used on Type No(s).
2040, 2540.
260804 Crankshaft
Used on Type No(s).
2022, 2522.
260807 Crankshaft
Used on Type No(s).
1143.
261422 Crankshaft
Used on Type No(s).
1154, 2061, 2561.
261458 Crankshaft
Used on Type No(s).
0636, 0640, 0645,
1139, 1141, 1152,
2041, 2541.
261548 Crankshaft
Used on Type No(s).
1145.
262029 Crankshaft
Used on Type No(s).
1150.
17 291667 Bearing–Ball
24 222698 Key–Flywheel
33 394436 Valve–Exhaust
34 394434 Valve–Intake
35 65906 Spring–Valve
40 292260 Retainer–Valve
40A 68293 Retainer–Valve
41 494553 Keeper–Valve
45 26670 Tappet–Valve
46 211335 Gear–Cam
219 393720 Gear–Governor
225 393467 Shaft–Governor Gear
377 91540 Key–Drive Pulley
553 62222 Seat–Valve Spring
554 66203 Shaft–Cam Gear
591 65932 Plug–Camshaft
K Included in Gasket Set–See Ref. No. 291728. D Included in Carburetor Kit–Part No. 395670.
7584–4 Assemblies include all parts shown in frames. 68
4
233400 to 233499
556
568
569
21
558
525
1054
665
15
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
15 94239 Plug–Oil Drain
21 66768 Cap–Oil Fill
525 230472 Pipe–Oil
––––––– Note –––––
230470 Pipe–Oil
Used on Type No(s).
1143.
556 94724 Screw–Hex.
558 92268 Washer–Lock
(Used Before Code
Date 92100500).
568 291404 Base–Engine
––––––– Note –––––
294751 Base–Engine
Used on Type No(s).
0641, 1142.
298866 Base–Engine
Used on Type No(s).
0533, 0640.
569 K27351 Gasket–Base
––––––– Note –––––
27551 Gasket–Base
Used on Type No(s).
0640, 2040.
665 298860 Minder–Oil
1054 280275 Tie–Cable
K Included in Gasket Set–See Ref. No. 291728. D Included in Carburetor Kit–Part No. 395670.
7584–5 Assemblies include all parts shown in frames. 68
5
233400 to 233499
90
113
107
118
114
108
109
158
95
119
110
111
112
91
96
95
102
104
103
97
105
93
94
98
99
100
101
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
90 293950 Carburetor
––––––– Note –––––
292106 Carburetor
Used on Type No(s).
0638, 0643, 0647,
0648, 0650, 0652,
1131, 1135, 1137,
1146, 1149, 1150,
2027, 2031, 2527,
2531.
91 291655 Body Assembly–Upper
93 23108 Bushing–Throttle Shaft
94 D292681 Valve–Idle Adjustment
95 93499 Screw–Choke/Throttle
96 223370 Valve–Throttle
97 291300 Shaft–Throttle
98 91920 Screw–Slotted
99 26157 Spring–Friction
100 212904 Stop–Throttle
101 93043 Pin–Shaft
102 D27034 Gasket–Carb. Body
103 99333 Float–Carburetor
104 D230896 Pin–Float Hinge
105 D394681 Kit–Needle Seat
––––––– Note –––––
394682 Kit–Needle
Seat
(Includes Brass Seat)
107 89915 Body Assy.–Lower
108 62872 Valve–Choke
109 89531 Shaft–Choke
110 224026 Washer–Flat
111 26155 Spring–Friction
112 23123 Screw–Shoulder
113 D395208 Nozzle–Carburetor
114 D68667 Gasket–Nozzle
118 D99525 Valve–High Speed
––––––– Note –––––
391213 Valve–High
Speed
Used on Type No(s).
0638, 0643, 0647,
0648, 0650, 0652,
1131, 1135, 1137,
1146, 1149, 1150,
2027, 2031, 2527,
2531.
119 94152 Screw–TorxR Hex.
158 27590 Filter–Carburetor
Drain
K Included in Gasket Set–See Ref. No. 291728. D Included in Carburetor Kit–Part No. 395670.
7584–6 Assemblies include all parts shown in frames. 68
6
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