Craftsman 917.270621 Owner's Manual page 56

TRACTOR - - MODEL NUMBER 917.917.270621
BRIGGS & STRATTON ENGINE-MODEL NUMBER 28U707, TYPE NUMBER 1174-E1
KEY PART
NO. NO.
1 496412
2 399265
3 391086
4 494238
5 495858
7 273280
8 495735
9 27803
10 94621
11 281246
t2 271916
271997
271996
13 94728
15 94239
16 498971
94196
20 291675
22 94624
23 492326
24 222698
25 495860
495977
495978
495979
26 495854
495852
495851
495855
27 263129
28 498319
498320
29 494504
495490
32 94695
32A 94648
33 495856
34 495857
35 262811
37 224502
40 224641
45 262411
46 496884
51 272465
52 272569
53 94637
75 225136
78 94832
87 491323
KEY PART
DESCRIPTION NO. NO. DESCRIIPTION
Cylinder Assembly 93 281346 Bushing, Throttle Shaft
Bearing, Cylinder 9'4 498030 Valve, Needle
* Seal, Oil 95 94098 ** Screw, ThrotUe
Base, Engine 98 495800 Screw, Idle Speed
Head, Cylinder 104 231789 ** Pin, Float Hinge
**" Gasket, Cylinder Head 106 231855 "* Valve Float
BreatherAssembly 106 231854 "* Seat, InletValve
" Gasket, Valve Cover 108 224558 Valve, Choke (Lmt 153)
Screw, Sems 10BA 224540 Valve, Choke (Lint 154)
Tube, Breather 111 262715 Spring Choke (Lint 155)
* Gasket, Crankcase Cover, .015" 117 232118 *" Jet, Needle Valve (Std_)
" Gasket, Crankcase Cover, .005" 232119 Jet, Needle Valve (HFAtt)
" Gasket, Crankcase Cover, 009" 121 499233 Carburetor Overhaul Kit
Screw, Cylinder Head 123 94913 Screw, Elbow Mounting
Plug, Oil Drain 125 499153 Carburetor Assembly
Crankshaft 127 - - - ** PIug, Welch (Sold in Kit Only)
Timing Gear Key 130 224539 Valve, Throttle
* Seat, Oil 131 494379 Shaft and Lever, Throttle
Screw, Seres, Base Mounting 133 494381 Float, Carburetor
Flywheel and Ring Gear 137 281165 .... Gasket, Float Bow[
Assembly, Magneto 138 281164 .... Washer, Bowl
Key, Flywheet 141 495097 Choke, Shaft Kit (Choke-A-
Piston Assembly, Standard Size Matic)
PlstonAssembiy, 010 ° 141A 495931 Choke, Shaft Kit(Choke-A-
Oversize Matic)
PistonAssembiy, 020" 142 232117 *" Nozzle, Carburetor
Oversize 146 94196 Key, Timing Gear
Piston Assembly, _030" 164 214047 Elbow, Carburetor
Oversize 166 94555 Stud, RockerArm
Ring Set, Piston, Standard Size 171 281051 Nut, Air Cleaner Mounting
Ring Set, Piston, 010" Oversize 186 493496 Connector, Hose
Ring Set, Piston, 020" Oversize 187 298099 Line, Fuel (Cut to Suit)
Ring Set, Piston, 030" Oversize 188 94627 Screw, Sems
Lock, Piston Pin 192 492160 Screw Assembly, RockerArm
Pin Assy, Piston, Standard Size 201 262767 Link, Governor
Pin Assy, Piston, 005" 209 260695 Spring, Governor
Oversize 216 262766 Link, Choke
Rod Assembly, Connecting 219 490815 Gear, Governor
Rod Assembly, Connecting, 222 495611 Plate, Governor Control
.020" Undersize Crankpin Bore 224 94905 Screw, Seres, Air Cteaner
Screw, Hex Washer Head, 225 495157 Crank, Governor
1_57/64 227 493935 LeverAssembly, Govemor
Screw, Hex Washer Head, 1-
5/8 230 94742 Washer, Governor Crank
232 262785 Spring, Governor Link
Valve, Exhaust 238 262836 Cap, Vaive
Valve, intake 240 394358 Filter,Fuel (In Fuel Line)
Spring, Valve 265 221535 Clamp, Casing
Guard Fiywheei
Retainer, Valve Spnng 284 94704 Screw, Hex Head
Tappet, Valve * included in Gasket Set (495993)
Gear, Cam "" Included in Carburetor Kit (499233)
.... Gasket, Carburetor *'* included in both Gasket Set (495993) and
(Carburetor to Elbow) Valve Overhaul Kit (495992)
*** Gasket, Carburetor .... included in Gasket Set (495993), Carburetor
(Elbow to Cylinder) Kit (499233) and Carburetor Gasket Set
Stud, Carburetor Mounting (494385)
Washer, Spring
Screw, Pan Head NOTE: All component dimensions given in US inches
" Seat, Governor Shaft 1 inch = 254 mm
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