Briggs & Stratton 21B900 Air Cleaner User Manual


 
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
21B900
K Included in Engine Gasket SetRef. No. 358.
D Included in Carburetor Overhaul KitRef. No. 121 or 121A.
z Included in Carburetor Gasket SetRef. No. 977 or 977A.
Δ Included in Valve Gasket SetRef. No. 1095.
Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
503611 Assemblies include all parts shown in frames. 06/18/2008
11
24 222698S KeyFlywheel
25 792305 Piston Assembly
(Standard)
−−−−−− Note −−−−−−
792728 Piston
Assembly
(.020” Oversize)
26 792306 Ring Set
(Standard)
−−−−−− Note −−−−−−
792643 Ring Set
(.020” Oversize)
27 698469 LockPiston Pin
(Used After Code Date
02100300).
−−−−−− Note −−−−−−
698138 LockPiston
Pin
(Used Before Code
Date 02100400).
28 697099 PinPiston
29 791633 RodConnecting
(Standard)
−−−−−− Note −−−−−−
697262 Rod
Connecting
(.020” Undersize)
(Used Before Code
Date 05040400).
32 791118 Screw
(Connecting Rod)
33 695760 ValveExhaust
34 695761 ValveIntake
35 691279 SpringValve
(Intake)
36 691279 SpringValve
(Exhaust)
37 697352 GuardFlywheel
37A 697626 GuardFlywheel
(Electric Start)
Used on Type No(s).
0015, 0016, 0020,
0022, 0114, 0116,
0117, 0121, 0142,
0192, 0194, 0202.
42 499586 KeeperValve
43 691968 SlingerGovernor/Oil
45 690564 TappetValve
46 793880 Camshaft
50 697361 ManifoldIntake
50B 795756 ManifoldIntake
Used on Type No(s).
0015G1, 0016G1,
0026G1, 0029G1,
0036G1, 0153, 0154,
0159, 0202G1, 0203.
51
KDzΔ692137 GasketIntake
53 690227 Stud
(Carburetor)
54 691148 Screw
(Intake Manifold)
55 695130 HousingRewind
Starter
56 695129 PulleyStarter
57 695131 SpringRewind Starter
58 695132 RopeStarter
60 493926 GripStarter Rope
65 690759 Screw
(Rewind Starter)
(Used After Code Date
07040800).
−−−−−− Note −−−−−−
697725 Screw
(Rewind Starter)
(Used Before Code
Date 07040900).
73 ScreenRotating
(Service With Flywheel
Fan 794440)
(Used Before Code
Date 07040900).
73A 794437 ScreenRotating
(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 LockMuffler Screw
93 D690602 BushingThrottle Shaft
(Walbro)
94 498030 KitIdle Mixture
(Walbro)
94A 793610 KitIdle Mixture
(Nikki)
95 D691636 Screw
(ThrottleValve)
(Walbro)
95A D690718 Screw
(Throttle Valve)(Nikki)
98 495800
KitIdle Speed
(Walbro)
98A 695408 KitIdle Speed
(Nikki)
104 D690525 PinFloat Hinge
(Walbro)
104A D694918 PinFloat Hinge
(Nikki)
105 D231855S ValveFloat Needle
(Walbro)
105A D696136 ValveFloat Needle
(Nikki)
106 D690577 SeatInlet
(Walbro)(Gravity Feed)
−−−−−− Note −−−−−−
D691780 SeatInlet
(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 ValveChoke
(Walbro)
108A 698773 ValveChoke
(Nikki)