Craftsman 917.257360 - Manual (Page 47)

REPAIR PARTS
12 HP 38" RIDING LAWN TRACTOR - - MODEL NUMBER 917.257360
3R1GGS & STRATTON ENGINE - MODEL NUMBER 281707, TYPE 0412-01
CEY PART KEY PART
JO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 93158 Screw, Blower Housing Mounting 38 394661 Piston Assembly Standard
Sem 394662 Piston Assembly - ,010 O.S.
2 93163 Screw, Cylinder Shield Mtg. Sem 394663 Piston Assembly - ,020" O.S
3 399265 Bearing, Cylinder 394664 Piston Assembly - .030" O.S.
Note: Requires special tools for Piston Ring Sets
installation Note: For Chrome Ring Set -
4 391086 Seal, Oil Standard size - Order No, 392331
5 490450 Cylinder Assembly 39 271916 Gasket, Crankcase Cover (1/64"
6 261463 Seat, Intake Valve (Standard) thick)
7 210940 Seat, Exhaust Valve (Standard) 40 94305 Screw, Base Mounting Sem
8 261961 Guide, Exhaust Valve 41 91084 Plug, Oil Drain
Note; 231218 Guide - Intake Valve 42 291675 Seal, Oil
(Brass) 43 490452 Base, Engine
9 231597 Bushing, Governor Crank (1/4" ID) 44 490927 Lever Assembly, Governor (For 1/4'
10 27803 Gasket, Valve Cover dia. Crank)
11 391406 Breather Assembly 45 92613 Bolt, Governor Lever
12 280100 Tube, Breather 46 231082 Nut, Hex 1 0 - 2 4
1 3 93394 Screw, Sem 47 491323 Seal, Oil
14 491490 Cover, Cylinder Head 48 93307 Retainer, E-Ring
15 94160 Pin, Eccentric 49 93306 Cotter, Hairpin
16 262243 Eccentric 50 231058 Crank, Governor (1/4" dia.)
17 490466 Crankshaft 51 222450 Washer, Governor Crank (1/4" dia,)
Note: Order Part Number 94196 for 52 212359 Link, Counterweight
Timing Gear 53 93875 Screw, Counterweight (1)
18 222698 Key, Flywheel 54 298909 Pin, Counterweight (1)
19 262135 Gear, Timing 55 399891 Counterweight Assembly
20 262247 Valve, Intake 56 490815 Oil Slinger, Governor
21 65906 Spring, Intake Valve 57 398525 Insulator Assembly
22 221596 Retainer, Intake Valve 58 92791 Washer, Lock, Shake-proof
23 262246 Valve, Exhaust 59 93722 Terminal. Spade
24 26828 Spring, Exhaust Valve 60 90576 Nut, Hex 8 - 32
25 93630 Retainer, Exhaust Valve Rotocoil 61 26157 Spring, Throttle Adjustment
(2) 62 90200 Screw, Machine Fil Hd. 8 - 32 x 1/2
26 292260 Rotocoil, Exhaust Valve 63 93572 Screw, Carburetor
27 212897 Gear, Cam 64 260695 Spring, Governor
28 802592 Plug, Spark (1 1/2“ high - 37'42 65 390784 Plate, Governor Control (Choke-A-
mm) Matic)
29 66538 Elbow. Spark Plug 66 221535 Clamp, Casing
30 89838 Wrench, Spark Plug 67 93496 Screw, Sem
31 93723 Screw, Cylinder Head (3" long) 68 260584 Spring, Governor Link
32 222299 Lock, Connecting Rod Screw 69 262348 Link, Governor
33 92909 Screw, Connecting Rod 70 223715 Shield, Cylinder
34 490348 Rod Assembly, Connecting 71 271866 Gasket, Cylinder Head
Note; For Connecting Rod with 72 262248 Tappet Valve
.020" undersize Crankpin Bore - 73 491491 Head, Cylinder
Order No. 490469
35 260924 Lock, Piston Pin
36 299691 Pin Assembly, Piston - Standard NOTE: All component dimensions oiven in U S, inches
391286 Pin Assembly, Piston - .005 O.S. 1 inch =;25,4 mm
37 394665 Ring Set, Piston - Standard
391781 Ring Set, Piston - .010" 0 S.
391782 Ring Set, Piston - .020“ O S.
391783 Ring Set, Piston - .030" O.S,
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