Craftsman Lawn Mower Manual for Model Number 917.271653

TRACTOR - - MODEL NUMBER 917.271653

BRIGGS & STRATrON ENGINE-MODEL NUMBER 310707, TYPE NUMBER 0137-E1

KEY	PART										KEY	PART
NO.	NO.		DESCRIPTION								NO.	NO.			DESCRIPTION
1	690156		Cylinder		Assembly						105	231855		_ Valve-Float Needle
2	399265		Kit-Bushing/Seal								105A	694922		_ Valve-Float Needle
3	391086	• Seal-Oil (Magneto Side)									106	690577			Seat-Inlet
4	494238		Sump-Engine								108	690464			Valve-Choke (Manual Choke)
5	690188	o+	Head-Cylinder								108A	692344			Valve-Choke(Choke-A-Matic)
7	692410		Gasket-Cylinder					Head
B	495735		Breather		Assembly						1088	695419			VaNe-Choke(Nikk{						Carburetor)
9	27803	•	Gasket-Breather								117	692408		O Jet-Main (Standard)
t 0	69 t 666		Screw	(Breather				Assembly)				692411			Jet-Main (High				Altitude)
11	691328		Tube-Breather								117A	695415		O Jet-Main(Standard)
12	692226	•	Gasket-Crankcase						(.015			695416		O Jet-Main (High Altitude)
			Thick,	Std)							121	690191			Kit-Carburetor				Overhaul
	692406	•	Gasket-Crankcase						(.005		121A	695427			Kit-Carburetor				Overhaul
			Thick)								125	690194			Carburetor
	692405	°	Gasket-Crankcase						(.009		125A				Carburetor		(Nikki)				(Service
			Thick)												with Walbro			Carburetor)
13	690360		Screw (Cylinder				Head)				127	695005		O Plug-Welch
15	690946		Plug-Oil		Drain						127A	690727		1_ Plug-Welch
16	690136		Crankshaft								130	691750			Valve-Throftle
20	291675	°	Seal-Oil								130A	695418			Valve-'rhroftle
22	692125		Screw	(Crankcase					Cover)		131	494379			Kit-ThrotUe		Shaft
23	693557		Flywheel								131A	695421			Kit-Throttle		Shaft
24	222698		Key-Flywheel								133	494381			Float-Carburetor
25	692271		Piston	Assembly				(Standard)			133A	694914			Float-Carburetor
	692272		Piston Assembly					(.010		O.S.)	137	281165	O_		Gasket-Float			Bowl
	692273		Piston	Assembly				(.020		O.S.)	137A	695426	O:1: Gasket-Float					Bowl
	692274		Piston	Assembly				(.030		O.S.)	141	495097			Kit-Choke		Shaft			(Manual
26	690162		Ring Set-Piston					(Standard)							Choke)
	692164		Ring Set-Piston (.010 O.S.)								141A	495931			Kit-Choke		Shaft			(Choke-A-
	692166		Ring Set-Piston (.020 O.S. !								141B	695420			Matic)		Shaft (Nikki)
	692168		Ring Set-Piston (.030 O.S.t												Kit-Choke
27	691299		Lock-Piston			Pin					142	692412		O Nozzle-Carburetor
28	498319		Pin-Piston			(Standard)					146	691639			Key-Timing
	498320		Pin-Piston (.020 O.S.)								167	692297			Air Cleaner			Stud			Seal
29	692419		Rod-Connecting					(Standard)			176	691917		• O-Ring Seal				(Air Cleaner)
	499940		Rod-Connecting					(.020		U.S.)	186	692317			Connector-Hose
32	692852		Screw	(Connecting					Rod)		187	691050			Line-Fuel		(Cut		to		Required
33	495856		Valve-Exhaust												Length)
34	495857		Valve-Intake								188	691693			Screw	(Control			Bracket)
35	691279		Spring-Valve			(Intake)					192	691986			Adjuster-Rocker					Arm
36	691279		Spring-Valve			(Exhaust)					202	691841			Link-Mechanical					Governor
37	690456		Guard-Flywheel								209	692208			Spring-Governor
40	691752		Retainer-Valve								216	69 t 840			Link-Choke
43	691968		Slinger-Governor/Oil								217	695409			Spring-Choke				Return
45	690564		Tappet-Valve								222	694042			Bracket-Control
46	692421		Camshaft								227	691374			Control	Lever-Governor
48	692706		Short Block (311707-0028-								231	691636		O	Screw	(Choke			Valve)
			E1 Replacement						Engine)		231A	690716		_	Screw	(Choke Valve)
50	690193		Manifold-Intake								232	691842			Spring-Governor						Link
51	692137°	_:1:+ Gasket-Intake									238	691843			Cap-Valve
53	690227		Stud	(Carburetor)							240	394358			Filter-Fuel
54	691148		Screw		(Intake		Manifold)				265	691024			Clamp-Casing
73	690492		Screen-Rotating								267	695134			Screw	(Casing			Clamp)
74	691674		Screw		(Rotating			Screen)			276	692255		_:l:	Sealing	Washer
75	690582		Washer		(Flywheel)						276A	695410		I_:I: Sealing		Washer
78	690661		Screw		(Flywheel				Guard)		RPM	Settings:			Low Speed:			1900-2100
93	690602		Bushing-Throttle						Shaft						High Speed: 3000-3200
94	498030		Kit-Idle		Mixture
94A	695425		Kit-Idle		Mixture							Included		in	Engine	Gasket			Set,			Key. No.
95	691636	_	Screw		(Throttle			Valve)				358
95A	690718	(_ Screw (Throttle Valve)									_	Included		in Carburetor			Overhaul					Kit, Key.
96	495800		Kit-Idle		Speed							No. 121and121A
98A	695408		Kit-Idle		Speed						_	included		in Carburetor			Gasket					Set, Key.
104	690525	O Pin-Float Hinge										No. 977		and 977A
104A	694918	Q Pin-Float Hinge									+	included		in Valve Gasket				Set,			Key. No.
												1095

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

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