Type NO, 2639-B1, KEY Part Description | Craftsman 917.3875 guide

BRIGGS		& STRATTON									MODEL NUMBER 12H802
4-CYCLE		ENGINE									TYPE NO, 2639-B1
KEY	PART							KEY	PART
NO.	NO.			DESCRIPTION				NO.	NO.		DESCRIPTION
1	493260			C_linder Assembly				163	272653,O.t		Gasket-Air Cleaner
2	399269			Kd-Bushing/Seal				187	691050		Line-Fuel (Cut to Required
3	299819		•	Seal-Oil (Magneto Side)							Length)
4	493279			Sump-Engine				188	690877		Screw (Control Bracket
5	691160			Head-Cylinder				190	690940		Screw (Fue Tank)
7	692249		,+ Gasket-Cylinder Head					202	691829		Link-Manhenical Governor
8	695250		,+	Breather Assembly				209	690319		Spring-Governor
9	272481		,+	Gasket-Breather				222	692467		Bracket-Contro_
10	691125			Screw (Breather Assembly)				227	690783		Control Lever-Governor
11	691781			Tube-Breather				276	271716	_:_	Sealing Washer
12	692232		•	Gasket-Crankcase				287	690940		Screw (Dipstick Tube)
13	690912			Screw (Cylinder Head)				300	692038		Muffler
15	691680			Plug-Oil Drain				304	695892		Hous_ng-Elower
16	691451			Crankshaft				305	691108		Screw (Blower Housing
20	399781		* Seal-Oil (PTO Side)					306	690450		Shlald-Cylinder
22	691092			Screw	(Engine Sump)			307	690345		Screw (Cyllader Shield
23	692315			Flywheel				332	690662		Nut (Flywhee
24	222698			Key.Flywheel				333	802574		Armature-Magneto
25	499429			Piston Assembly (Standard)				334	691061		Screw (Armature Magneto)
	499430			Piston Assembly		(.0t(T	O.S.)	337	802592		Spark Plug
	499431			Piston Assembly		(.020"	O.S.)	356	692390		Wire-Stop
	499432			Piston Assembly (.030"			O.S.)	358	497316		Engine Gasket Set
26	499425			Ring Set-Piston (Standard)				363	19069		Flywheel Pullar
	499426			Ring Set-Piston (.010" O.S.)				365	692524		Screw (Carburetor)
	499427			Ring Set-Piston (.020"O.S.)				383	89838		Wrench-Spark Plug
	499428			Ring Set-Piston (.030" O.S.)				404	690272		Washer (Governor Crank)
27	691866			Lock.Piston Pin				425	690670		Screw (Air Cleaner Cover)
28	499423			Pin*Piston				443	692523		Screw (Air Cleaner Pdmer
29	499424			Rod-Connecting							Base)
32	691664			Screw	Connecting Rod			445	491588		Filter-Aft Cleaner Cartridge
32A	695759			Screw	Connectng Rod			455	691219		Cup-Fl_wheel
33	262651			Valve-Exhaust				456	692299		Plate-Paw1 FdcUon
34	262652			Valve.intake				459	281505		PawI-Ratchet
35	691270			Spring-Valve (intake)				505	231082		Nut (Govemor Control Lever)
36	691270			Spring-Valve (Exhaust)				523	495264		Dipstick
40	692194			Retainer-Valve				524	692296	•	Seal-Dipstick Tube
43	691997			Slinger-Governor/Oil				525	495265		Tube-Dipstick
45	690548			Tappet-Valve				529	691923		Grommet
46	691449			Camshaft				562	92613		Bolt (Governor Control Lever)
48	498826			Short Block (Roplacemant				584	692342		Cover-Breather	Passage
				Engine 12J802-2915-B1)				585	691879	•	Gasket-Breather	Passage
50	497465			Manifold-Intake				592	690800		Nut (Rewind Starter)
51	272199		,	Gasket-Intake				597	691696		Screw (Pawl Friction Plate)
54	691650			Screw (Intake Manifold)				601	95162		Clamp-Hose
55	691421			Housing-Rewind Starter				608	497680		Stader-Rewind
58	692259			Rope-Starter (Cut to				613	691340		Screw (Muffler)
				Required Length)				615	690340		Retainer-Governor Shaft
60	281434			Gdp-Stader Rope				616	691306		Crank-Governor
65	690759			Screw (Rewind Starter)				617	270344	O_:	SeaI-O Ring (Intake Manifold)
81	691740			Lock-Mufflar Screw				621	692310		Switch-Stop
95	691636			Screw (Throttle Valve)				635	66538	°	Boot-Sparkplug
97	493267			Shaft-Throttle				668	493823		Spacer (Inc=udas 2)
104	691242		_	Pin-Float Hinge				670	692294		Spacer-Fuel Tank
117	494870			Jet-Maln (Standard)
	497315			Jet-Main (High Altitude)
121	498260			Kit-Carburetor Overhaul					Included in Engine Gasket Set, Key. No.
125	498170			Carburetor					358
127 694468 _ Plug-Welch								O	Included in Carburetor Overhaul Kit, Key.
130	691203			Valve-Throttle					No, 121
133	398187			Float-CarbunHor				:_	Inoluded _nCarburetor Gasket Set, Key.
134	398188		_	Valve-Needle/Seat					No. 977
137	693981		_._	Gasket-Float Bowl				+	Included in Valve Overhaul Kit, Key. No,
146	690979			Key-Timing					1095
159	691753			Bracket-Aft Cleaner Primer

NOTE: All component dimensions given in U.S. inches 1 mch = 25.4 mm

BRIGGS

TYPE NO, 2639-B1

KEY

PART

DESCRIPTION

222

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