Briggs & Stratton Series 21B900 - Manual (Page 10)

Not
for
Reproduction
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
21B900
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5036--10 Assemblies include all parts shown in frames. 03/23/2009
10
1 697377 Cylinder Assembly
2 399265 Kit--Bushing/Seal
(Magneto Side)
3 391086S Seal--Oil
(Magneto Side)
4 697106 Sump--Engine
(Used After Code Date
05100200).
------------ Note ------------
795940 Sump--Engine
(Used Before Code
Date 05100200).
Must Use Kit 795940,
Includes Sump And
Counterweight.
4A 697188 Sump--Engine
(Used After Code Date
05100200).
Used on Type No(s).
0016, 0036, 0038,
0110, 0114, 0116,
0117, 0119, 0120,
0123, 0124, 0126,
0127, 0129, 0130,
0136, 0138, 0141,
0142, 0146, 0147,
0149, 0152, 0155,
0156, 0157, 0160,
0163, 0183, 0190,
0193, 0194, 0195,
0197, 0198, 0202,
0205, 0206.
------------ Note ------------
795957 Sump--Engine
(Used Before Code
Date 05100200).
Used on Type No(s).
0016, 0036, 0038,
0110, 0114, 0116,
0117, 0119, 0120,
0123, 0124, 0126,
0127, 0129, 0130,
0136, 0138, 0141,
0142, 0146, 0147,
0149, 0152, 0155,
0156, 0157, 0163,
0183, 0190, 0193,
0194, 0195, 0197,
0198, 0202.
Must Use Kit 795957,
Includes Sump And
Counterweight.
5 796183 Head--Cylinder
7 273280S Gasket--Cylinder Head
9
697109 Gasket--Breather
(Used Before Code
Date 07071900).
(After Date Code Use
Liquid Sealant
Reference 850)
10 697157 Screw
(Breather Assembly)
11 794683 Tube--Breather
12 697110 Gasket--Crankcase
(.015” Thick)
(Standard)
13 690360 Screw
(Cylinder Head)
14 790560 Stud
(Cylinder Head)
15 690946 Plug--Oil Drain
(3/8” Standard)
16 697390 Crankshaft
20 795387 Seal--Oil
(PTO Side)
22 692125 Screw
(Crankcase
Cover/Sump)
23 698281 Flywheel
Used on Type No(s).
0026, 0036, 0038,
0120, 0121, 0124,
0129, 0131, 0132,
0138, 0140, 0141,
0146, 0147, 0149,
0152, 0153, 0159,
0163, 0183, 0190,
0193, 0203, 0205.
------------ Note ------------
693556 Flywheel
Used on Type No(s).
0020, 0127, 0157,
0192, 0194, 0198,
0202.
693557 Flywheel
Used on Type No(s).
0028, 0126, 0154,
0156, 0160, 0164.
698282 Flywheel
Used on Type No(s).
0110, 0119, 0123,
0130, 0136, 0155,
0195, 0197, 0206.
23A 693555 Flywheel
(Rewind Starter)
Used on Type No(s).
0015, 0016, 0117,
0142.
------------ Note ------------
698283 Flywheel
(Rewind Starter)
Used on Type No(s).
0022, 0116.
24 222698S Key--Flywheel
25 792307 Piston Assembly
(Standard)
------------ Note ------------
792728 Piston
Assembly
(.020” Oversize)
26 792306 Ring Set
(Standard)
------------ Note ------------
792643 Ring Set
(.020” Oversize)
27 698469 Lock--Piston Pin
(Used After Code Date
02100300).
------------ Note ------------
698138 Lock--Piston
Pin
(Used Before Code
Date 02100400).
28 697099 Pin--Piston
29 791633 Rod--Connecting
(Standard)
------------ Note ------------
697262 Rod--
Connecting
(.020” Undersize)
(Used Before Code
Date 05040400).
32 791118 Screw
(Connecting Rod)
33 695760 Valve--Exhaust
34 791935 Valve--Intake
35 691279 Spring--Valve
(Intake)
36 691279 Spring--Valve
(Exhaust)