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TRACTOR - - MODEL NUMBER 917.270412
BRIGGS & STRATTON ENGINE-MODEL NUIViBER 28R707, TYPE NUMBER 1140-E1
KEY PART KEY PART
NO. NO. DESCRIPTION NO, NO. DESCRIPTION
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496413 CylinderAssembly 52 272554 e* Gasket, C_lrburetor
399265 Bearing, Cylinder 53 94637 Stud, Carburetor Mounting
391086 * Seal, Oil 73 224948 Screen, Rotating
494238 Base, Engine 75 225136 Washer, Spring
494240 Head, Cylinder 78 94626 Screw, Phi!lips
271866 e* Gasket, Cylinder Head 87 491323 * Seal, Governor
495735 Breather Assembly 93 281346 Bushing, Throttle Shaft
(Includes Mounting Gasket) 94 498030 Valve, Needle
27803 {_* Gasket, Valve Cover 95 94098 ** Screw, Throttle
94621 Screw, Seres 98 495800 Screw, Idle Adjust
280100 Tube, Breather 104 23.1789 *" Pin, Float Hinge
271916 * Gasket, Crankcase Cover, 1/64" 105 231855 ** Valve, Inlet Needle
271997 * Gasket, Crankcase Cover, ,.605" 106 231854 "" Seat, Inlet
271996 * Gasket, Crankcase Cover, .D09" 108 224540 Valve, Choke
94622 Screw, Cylinder Head 121 499220 Carburetor Kit
94239 Plug, Oil Drain 123 94913 Screw, Elbow Mounting
498971 Crankshaft 125 498027 Carburetor
29167'5 " Seal, Oil 127 - - - ** Plug,Welch (Sold in Kit Only)
94624 Screw, Sems, Base Mounting 130 224539 "valve,Throttle
492326 Fiywheet 131 494379 Shaft, Throttle
222698 Key, Rywheel 133 494381 Roat, Carburetor
394661 PistonAssembty, Standard Size 137 281165 **" Gasket, Float Bowl
394662 Piston Assembly, ,.010" 138 281164 *** Washer, Float Bowl
Oversize 141 495097 Shaft, Choke
394663 Piston Assembly, _020= 142 497736 ** Nozzle, Carburetor
Oversize 497737 Nozzle, Carburetor (High
394664 Piston Assembly, ..030" Altitude)
Oversize 146 94196 Key, Timing
391780 Ring Set, StandardSize 171 281051 Nut, Air Cleaner
392331 Ring Set, Standard Size, 186 493496 Elbow, Fuel Pipe
Chrome 187 298049 Une, Fuel (Cut to Suit)
391781 Ring Set, ..010=Oversize 188 94627 Screw, Serns
391782 Ring Set, °020" Oversize 201 262767 Link, Governor
391783 Ring Set, .030° Oversize 209 260871 Spring, Governor
260924 Lock, PistonPin 216 262766 Link, Choke
299691 Pin, Piston, Standard Size 219 490815 Gear, Governor
391286 Pin, Piston, .005" Oversize 222 495611 Plate, Govemor Control
490348 Rod, Connecting 224 94729 Screw, Hex Head
490469 Rod, Connecting, _020" 227 493935 LeverAssembly, Governor
Undersize 230 94927 Washer, Governor Crank
94671 Screw, Connecting Rod 232 262785 Spring, Governor Link
262246 Valve, Exhaust 240 394358 Filter, Fuel
262247 Valve, Intake 265 221535 Clamp, Casing
65906 Intake Exhaust Valve
26828 Spnng, Valve " Included in Gasket Set (494241)
224502 Guard, Rywheel ** Included in Carburetor Kit (499220)
221596 Retainer,Intake Valve *'* Included in both Carburetor Kit (499220),
292260 Rotocoii, Exhaust Valve and Carburetor Gasket Set (494385)
494553 Retainer, Rotocoit e Inctuded in 'valveOverhaul Gasket Set
262248 Tappet, Valve
212897 Gear, Cam NOTE: All component dimensions given in U_S_inches
213819 Carburetor; Elbow 1 inch = 25..4 mm
272465 *** Gasket, Carburetor
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