Briggs & Stratton 21A900 Air Cleaner User Manual


 
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION
21A900
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.
506912 Assemblies include all parts shown in frames. 02/07/2008
12
36 691279 SpringValve
(Exhaust)
37 697352 GuardFlywheel
37A 697626 GuardFlywheel
(Electric Start)
Used on Type No(s).
0117, 0127, 0134,
0136, 0138, 0139,
0141, 0142, 0144,
0149, 0151, 0161,
0166, 0168, 0170,
0171, 0176, 0184,
0188, 0190.
42 499586 KeeperValve
43 691968 SlingerGovernor/Oil
45 690564 TappetValve
46 793880 Camshaft
50 697361 ManifoldIntake
51KD
zΔ692137 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 494212 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)
75 690582 Washer
(Flywheel)
78 691003 Screw
(Flywheel Guard)
78A 690364 Screw
(Flywheel
Guard)(Electric Start)
81 691178 LockMuffler Screw
93 D690602 BushingThrottle Shaft
94 498030 KitIdle Mixture
(Walbro)
94A 695425 KitIdle Mixture
(Nikki)
95 D691636 Screw
(Throttle Valve)
(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)
108 691227 ValveChoke
(Walbro)
108A 698773 ValveChoke
(Nikki)
117 699897 JetMain
(Standard)
(Used Before Code
Date 07122600).
−−−−−− Note −−−−−−
794258 Jet Main
(Standard)
(Used After Code Date
07122500).
118 699898 JetMain
(High Altitude)
(Used Before Code
Date 07122600).
−−−−−− Note −−−−−−
791405 Jet Main
(High Altitude)
(Used After Code Date
07122500).
121 790031 KitCarburetor
Overhaul
(Walbro)
121A 698787 KitCarburetor
Overhaul
(Nikki)
125 790021 Carburetor
(Walbro)
(Used Before Code
Date 06121900).
Used on Type No(s).
0142, 0166.
125A 791266 Carburetor
(Nikki)
(Used Before Code
Date 07122600).
−−−−−− Note −−−−−−
794653 Carburetor
(Nikki)
(Used After Code Date
07122500).
125B 794215 Carburetor
(Nikki)
(Used Before Code
Date 07122600).
−−−−−− Note −−−−−−
794653 Carburetor
(Nikki)
(Used After Code Date
07122500).
127 D694524 PlugWelch
127A D690727 PlugWelch
(Nikki)
130 790024 ValveThrottle
(Walbro)
130A 698774 ValveThrottle
(Nikki)
131 790901 KitThrottle Shaft
(Walbro)
131A 698776 KitThrottle Shaft
(Nikki)
133 494381 FloatCarburetor
(Walbro)
133A 694914 FloatCarburetor
(Nikki)
135A 698780 TubeFuel Transfer
(Nikki)
(Used Before Code
Date 07122600).
−−−−−− Note −−−−−−
792022 TubeFuel
Transfer
(Nikki)
(Used After Code Date
07122500).