Briggs & Stratton 21A900 691003, 121 790031, 697352, 78A 690364, 37A 697626, 121A 698787, 691178

21A900

REF.	PART		REF.	PART		REF.	PART
NO.	NO.	DESCRIPTION	NO.	NO.	DESCRIPTION	NO.	NO.	DESCRIPTION
36	691279	Spring−Valve	78	691003	Screw	121	790031	Kit−Carburetor
		(Exhaust)			(Flywheel Guard)			Overhaul
37	697352	Guard−Flywheel	78A	690364	Screw			(Walbro)
37A	697626	Guard−Flywheel			(Flywheel	121A	698787	Kit−Carburetor
		(Electric Start)			Guard)(Electric Start)			Overhaul
		Used on Type No(s).	81	691178	Lock−Muffler Screw			(Nikki)
		0117, 0127, 0134,	93	D690602	Bushing−Throttle Shaft	125	790021	Carburetor
		0136, 0138, 0139,	94	498030	Kit−Idle Mixture			(Walbro)
		0141, 0142, 0144,			(Walbro)			(Used Before Code
		0149, 0151, 0161,	94A	695425	Kit−Idle Mixture			Date 06121900).
		0166, 0168, 0170,			(Nikki)			Used on Type No(s).
		0171, 0176, 0184,	95	D691636	Screw			0142, 0166.
		0188, 0190.			(Throttle Valve)	125A	791266	Carburetor
42	499586	Keeper−Valve			(Walbro)			(Nikki)
			95A	D690718	Screw			(Used Before Code
43	691968	Slinger−Governor/Oil
					(Throttle Valve)(Nikki)			Date 07122600).
45	690564	Tappet−Valve
			98	495800	Kit−Idle Speed			−−−−−− Note −−−−−−
46	793880	Camshaft
					(Walbro)			794653 Carburetor
50	697361	Manifold−Intake
			98A	695408	Kit−Idle Speed			(Nikki)
51KDzΔ692137 Gasket−Intake
					(Nikki)			(Used After Code Date
53	690227	Stud
			104	D690525	Pin−Float Hinge			07122500).
		(Carburetor)
					(Walbro)	125B	794215	Carburetor
54	691148	Screw
			104A	D694918	Pin−Float Hinge			(Nikki)
		(Intake Manifold)
					(Nikki)			(Used Before Code
55	695130	Housing−Rewind
			105 D231855S		Valve−Float Needle			Date 07122600).
		Starter
					(Walbro)			−−−−−− Note −−−−−−
56	695129	Pulley−Starter
			105A	D696136	Valve−Float Needle			794653 Carburetor
57	695131	Spring−Rewind Starter
					(Nikki)			(Nikki)
58	695132	Rope−Starter
			106	D690577	Seat−Inlet			(Used After Code Date
60	494212	Grip−Starter Rope
					(Walbro)(Gravity Feed)			07122500).
65	690759	Screw
					−−−−−− Note −−−−−−	127	D694524	Plug−Welch
		(Rewind Starter)
					D691780 Seat−Inlet	127A	D690727	Plug−Welch
		(Used After Code Date
					(Walbro)(Pump Feed)			(Nikki)
		07040800).
			108	691227	Valve−Choke	130	790024	Valve−Throttle
		−−−−−− Note −−−−−−
					(Walbro)			(Walbro)
		697725 Screw
			108A	698773	Valve−Choke	130A	698774	Valve−Throttle
		(Rewind Starter)
					(Nikki)			(Nikki)
		(Used Before Code
			117	699897	Jet−Main	131	790901	Kit−Throttle Shaft
		Date 07040900).
					(Standard)			(Walbro)
73		Screen−Rotating
					(Used Before Code	131A	698776	Kit−Throttle Shaft
		(Service With Flywheel
					Date 07122600).			(Nikki)
		Fan 794440)
					−−−−−− Note −−−−−−	133	494381	Float−Carburetor
		(Used Before Code
					794258 Jet Main			(Walbro)
		Date 07040900).			(Standard)	133A	694914	Float−Carburetor
73A	794437	Screen−Rotating			(Used After Code Date			(Nikki)
		(Used After Code Date			07122500).	135A	698780	Tube−Fuel Transfer
		07040800).	118	699898	Jet−Main			(Nikki)
74	697897	Screw			(High Altitude)			(Used Before Code
		(Rotating Screen)			(Used Before Code			Date 07122600).
		(Used Before Code			Date 07122600).			−−−−−− Note −−−−−−
		Date 07040900).			−−−−−− Note −−−−−−			792022 Tube−Fuel
75	690582	Washer			791405 Jet Main			Transfer
		(Flywheel)			(High Altitude)			(Nikki)
75	690582	Washer			(Used After Code Date			(Used After Code Date
		(Flywheel)			07122500).			07122500).

KIncluded in Engine Gasket Set−Ref. No. 358.

DIncluded in Carburetor Overhaul Kit−Ref. No. 121 or 121A.

zIncluded 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.

5069−12 Assemblies include all parts shown in frames. 02/07/2008

12