Briggs & Stratton 21B900 - Manual (Page 11)

REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
21B900
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 or 977A.
Δ 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.
5036−11 Assemblies include all parts shown in frames. 06/18/2008
11
24 222698S Key−Flywheel
25 792305 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 695761 Valve−Intake
35 691279 Spring−Valve
(Intake)
36 691279 Spring−Valve
(Exhaust)
37 697352 Guard−Flywheel
37A 697626 Guard−Flywheel
(Electric Start)
Used on Type No(s).
0015, 0016, 0020,
0022, 0114, 0116,
0117, 0121, 0142,
0192, 0194, 0202.
42 499586 Keeper−Valve
43 691968 Slinger−Governor/Oil
45 690564 Tappet−Valve
46 793880 Camshaft
50 697361 Manifold−Intake
50B 795756 Manifold−Intake
Used on Type No(s).
0015G1, 0016G1,
0026G1, 0029G1,
0036G1, 0153, 0154,
0159, 0202G1, 0203.
51 KDzΔ 692137 Gasket−Intake
53 690227 Stud
(Carburetor)
54 691148 Screw
(Intake Manifold)
55 695130 Housing−Rewind
Starter
56 695129 Pulley−Starter
57 695131 Spring−Rewind Starter
58 695132 Rope−Starter
60 493926 Grip−Starter Rope
65 690759 Screw
(Rewind Starter)
(Used After Code Date
07040800).
−−−−−− Note −−−−−−
697725 Screw
(Rewind Starter)
(Used Before Code
Date 07040900).
73 Screen−Rotating
(Service With Flywheel
Fan 794440)
(Used Before Code
Date 07040900).
73A 794437 Screen−Rotating
(Used After Code Date
07040800).
74 697897 Screw
(Rotating Screen)
(Used Before Code
Date 07040900).
75 690582 Washer
(Flywheel)
78 691003 Screw
(Flywheel Guard)
78A 690364 Screw
(Flywheel Guard)
(Electric Start)
Used on Type No(s).
0015, 0016, 0020,
0022, 0114, 0116,
0117, 0121, 0142,
0192, 0194, 0202.
81 691178 Lock−Muffler Screw
93 D690602 Bushing−Throttle Shaft
(Walbro)
94 498030 Kit−Idle Mixture
(Walbro)
94A 793610 Kit−Idle Mixture
(Nikki)
95 D691636 Screw
(ThrottleValve)
(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)(Gravity Feed)
−−−−−− Note −−−−−−
D691780 Seat−Inlet
(Walbro)(Pump Feed)
Used on Type No(s).
0015, 0016, 0022,
0026, 0028, 0029,
0036, 0038, 0117,
0124, 0127, 0129,
0140, 0152, 0156,
0157, 0194, 0197,
0202.
108 691227 Valve−Choke
(Walbro)
108A 698773 Valve−Choke
(Nikki)