Illustrated Parts List
Model Series
31P900
TYPE NUMBERS
0036 through 0671.
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intake Manifold 3. . . . . . . . . . . . . . . . . . . . .
Kit−Carburetor Overhaul 4. . . . . . . . . . . . .
Lubrication 3. . . . . . . . . . . . . . . . . . . . . . . . .
Piston, Rings, and Connecting Rod 2. . .
Valves 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REPLACES FORM MS−3673−04/25/2006
FILE IN SECT. 2 OF SERVICE MANUAL
FORM MS−3673−10/23/2006
31P900
PRINTED IN U.S.A.
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COPYRIGHT by BRIGGS & STRATTON CORPORATION
31P900
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
12
20
51
524
617
691
842
868
943
1022
1266
45
46
1035
16
146
741
758
757
1270
1330 REPAIR MANUAL
1058 OPERATOR’S MANUAL
15
22
4A
12
1017
20
415
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3673−2 Assemblies include all parts shown in frames. 10/23/2006
2
847
31P900
523
965
943
750
1024
842
525
5
524
1027
51
1095 VALVE GASKET SET
7
1027A
51
868
33
42
238
1022
34
868
42
13
35
1026
337
635
383
36
7
45
192
830
1029
914
1034
1022
50
617
1023
1022
51
54
617
654
53
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
3673−3 Assemblies include all parts shown in frames. 10/23/2006
3