Sears 917.255741 manual Engine

REPAIR PARTS

12 H.P. 38" RIDING LAWN "I-RACTOR°-MODEL NUMBER 917o255741 ENGINE--MODEL NUMBER 143.366202

ENGINE

KEY	PART	DESCRIPTION															KEY	PART
NO.	NO.																NO°	NO.
1	35323	Cylinder Assy						(Inct		Nos			8 _		13)		65	32610A
2	28277	Washer,			Flat
3	35324	Rod, Governor															66	t'33509
4	32651	Lever,		Governor													67	t'344!0
5	29916	Clamp.		Throttle				lever									68	33510
6	650548	Screw.		Hex washer						hd,			8-32 x 5/16				69	33507
7	35203	Spring,		Control													70	33508
8	35319	Seal, Oil															7t	t'35295
9	35326	Baffte,		Blower				housing									72	35296
10	650561	Screw,		Hex washer hd								Dudok,			!/4-20		73	650878
		x 5/8															74	35297
11	35336	Crankshaft				Assy,			(Counterbalance)								75	35298
12	35327	Gear, Counterbalance															76	28264
13	27652	Pin, Dowel															77	33471
14	29826	Screw,		Hex washer						hd,			10-32 x 3/4				78	1"'35299
15	29216	Nut,	Lock														79	35300
16	29918	Washer,			E T_ Lock												80	t'65O879
17	303_	Nut 8- Washer,						10-32 "Keps"
18	29642	Ring, Retaining											(Incl. No.				82	"27896
19	35329	Piston _			Pin Assy				(Std.)							21)	83	28423
2O	34866	Ring Set, Piston							(Std,)								84	28424
21	31919	Ring,	Piston pin retaining														85	28425
22	35330	Rod Assy,				Connecting						(tncl. No				23)	86	35350
23	650882	Screw,		Connecting						rod							87	650128
24	35313	Lifter,		Valve													88	35301
25	35314	Camshaft Assy							(Mech,				Compression				89	650128
26		Release)															90	650517
	35315	Weight		Assy.,				Counterbalance									91	"33263
27	35316	Extension,				Blower housing											92	35304
28	650128	Screw,		Fit		hd		Seres,				10_24x I/2					93	35302
28A	30688	Screw, Hex hd, Sems, 1/4-20 x 1/2															94	34109A
29	"35317	Gasket,			Mounting				flange
30	35318	Flange, Mounting							(Inct. Nos, 32, 33 _t								94A	31342
31		34)															94B	650549
	31356	Pump Assy,,					Oil										94C	35346
32	31927	Plug,	Oil drain														96	30200
33	35319	Seal, Oil
34	35320	Shaft,		Governor													97	792028
35	31707A	Spacer,			Governor				gear (tncl					No. 36)			98	*33515
36	30590A	Washer,			Flat												99	35288
37	35321	Gear Assy,,				Governor											100	650738
38	35322	Spool,		Governor
39	29193	Ring,	Retaining														101	35338
4O	650833	Screw,			Hex		washer					hd.		Powerlok,			102	30688
		1/4-20 x 1-3/16															103	297478
41	32589	Key,	Flywheel
42	611093	Flywheel			(3 Amp,				w/ring				gear)				t04	35290
43	650880	Washer,			Lock												105	650273
44	650881	Nut,	Flywheel														111	30668
45	35135	Solid	State			Assy. (Incl						No		45A)			115	35411
45A	610118	Cover,		Spark			plug										115A
46	650872	Stud,		Solid		State			Assy								116	34113
47	650814	Screw,		Hex hd				Seres,				10-24 x I					1t8	29774
49	"35306	Gasket, Cylinder							head								119	26460
5O	35307	Head Assy,					Cylinder										119A	34279A
51	730218	Valve Guide					Kit (tncf				2 of No				52)		120	27793
52	34315	Ring,	Retaining														121	28942
53	35308	Valve,		Exhaust				(Std.)
54	35309	Valve,		Intake			(Std)										125	33992A
55	650691	Washer,			Fiat												126	33589A
56	650690	Washer,			Be[levilie												127	33590
57	650746	Screw,		Hex hd,					5/16-18				x 3/8				128	34909
58	650692	Screw,		Hex hd,,					5/16-18				x !-3/4				129	35108
59	34046	Resistor			Spark			Plug			(Champion					RL-	130	34910
6O		86C or		equivalent}													131	650875
	t'33481	"O"	Ring														131A	35437
6OA	t'35358	"0"	Ring
6t	33480	Tube,		Push rod

6235310 Housing, Rocker arm

63t" 33484 "0" Ring

64650168 Washer, Flat

DESCRIPTION

Screw, Flanged hex hd, 1/4-20 x

29/32

"O" Ring (Intake)

"0" Ring (Exhaust) Cap, Valve spring Spring, Valve

Cap, Valve spring keeper "O" Ring

Guide, Push rod Stud, Rocker arm Arm, Rocker Bearing, Rocker arm Nut, Lock

Rod, Push

"0" Ring

Cover, Rocker arm housing

Screw, Pan hd, w/seating Lockwasher, 8-32 x 1t2

Gasket, Valve cover

Body, Breather Element, Breather

Cover, Valve spring box Tube, Breather

Screw, Fil hd, Sems, 10-24 x 1/2

Extension, Blower housing

Screw, Fil, hal, Seres, 10-24 x 1/2 Screw, Fil, flex hd,, 1/4-20 x 7/8 Gasket, Carburetor to intake pipe Pipe, Intake

Link, Governor

Bracket Assy,, Contro_ (Incl. Nos, 94A Et 94B)

Spring, Compression

Screw, Fil., hd, 5-40 x 7t16 Link, Governor spring

Screw, Hex washer hd.. setf4ap Sems,

10-24 x 9/16

Screw, Hex hd. Seres, 5/16-18 x 7/8 . Gasket, Intake pipe

Brace, Intake pipe

Screw, Hex washer spinlock hd.

thread forming, t/4-20 x 5t8 Housing, Blower

Screw, Hex hd, Sems, 1/4-20 x 1t2 Screw, Phil, Hex hd, Sems, 5/t6-24 x

21t32

Cover, Cylinder head

Screw, FiL hd, Sems, 5/16-18x 1/2 Screw, Hex hd_ Seres, 1/4-20 x 1t2 Ssreen, Starter

Pop, Rivet (Can be purchased locally)

Plug, Blower housing Line, Fuel

Clamp, Fuel line

Filter, Fuel (tnci No o 119) Clip, Conduit

Screw, Hex washer hdo Sems, t0-32 x 3/8

Tube, Oil fill

Dipstick, Oi_ (Incl, No, 127) "O" R_ng

Body, Air cleaner Fiiter, Fe_t air cleaner

Filter, Air cleaner

Screw, Fil hd Seres, 10o32 x 5-1/4 Clip

*Indicates Part_, !,_cluded in Gasket Set Key No 174

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