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_RIGGS & STRATTON ENGINE-MODEL NUMBER 28R707, TYPE NUMBER 1140-E1
KEY PART KEY PART
NO, NO. DESCRIPTION NO. NO, DESCRIPTION
1 496413 CylinderAssembly 52 272554 e* Gasket, Carburetor
2 399265 Beadng, Cylinder 53 94637 Stud, Carburstor Mounting
3 391086 * Seal, OII 73 224948 Screen, Rotating
4 494238 Base, Engine 75 225136 Washer, Spring
5 494240 Head, Cylinder 78 94626 Screw, Phillips
7 271866 e* Gasket, Cylinder Head 67 491323 * Seal, Governor
8 495735 BreatherAssembly 93 281346 Bushing, Throttta Shaft
(Includes Mounting Gasket) 94 498030 Valve, Needle
9 27803 e" Gasket Valve Cover 95 94099 ** Screw, Throtlle
10 94621 Screw, Barns 98 495808 Screw, IdleAdjust
11 280100 "Tube,Breather 104 231789 =" Pin, Roar Hinge
12 271916 *Gaskat, CrankcaseCover, 1/64' 105 231855 ** Valve, Inlet Needle
271997 " Gasket, Crankc_ea Cover, r005" 1_ 231854 *" Seat, Inlet
271996 " Gaslrst, Crankcase Cover, .009" 105 224540 Valve, Choice
13 94622 Screw, Cylinder Head 121 469220 Carburetor Kit
!5 94239 Plug, Oil Dra{n 123 94913 Screw, ElbowMounting
16 498971 Crankshaft 125 498027 Carburetor
20 291675 * Seal, OII 127 -. - *" Plug, Welch (Said inKit Only)
22 94624 Screw, Serns, Base Mounting 130 224539 Valve, Throttle
23 492326 Flywheel 131 494379 Shaft, Throttle
24 222698 Key, Flywheel 133 494881 Roar, Carburetor
25 394661 PlstonAssembly, Standard Size 137 281165 *"* Gasket, Float Bowl
394662 PistonAssembly, .010' 138 291164 *** Washer, FloatBowt
Oversize 141 495097 Shaft, Choke
394663 PistonAssembly, 020" 142 497736 "* Nozzle, Carburetor
Oversize 497737 Nozzle, Carburetor (High
394664 PistonAssembly, .030" Altitude)
Oversize 146 94196 Key, Timing
26 391780 RingSet, Standard SIze 171 291051 Nut, AlrCleaear
392331 Ring Set, StandardSize, 186 493496 Elbow, Fuel Pipe
Chrome 18'7 298049 Usa, Fuel (Cut to Suit)
391781 RingSet, _OlO"Oversize 168 94627 Screw, Seres
391782 RingSet, ,020" Oversize 201 262767 Link, Governor
391783 RingSel, ,030"Oversize 209 260871 Spdng, Governor
27 260924 Lock, Piston Pin 216 262766 Link, Choke
28 299691 Pin, PIston, Standard SIze 219 490815 Gear, Governor
391296 Pin, Piston,_005' Oversize 222 495611 Plate, GovemorControl
29 490348 Red, Connecting 224 94729 Screw, Hex Head
490469 Rod, Connecting, ,020" 22"? 493935 Lever Assembly, Govemor
Undersize 230 94927 Washer, GovernorCrank
32 94671 Screw, Connecting Rod 232 262785 Spring, Governor Link
33 262246 Valve, Exhaust 240 394356 Filter; Fuel
34 262247 Valve, Intake 265 221536 Clamp, Casing
35 65906 Intake Exhaust Valve
36 26828 Spting, Valve Included in Gasket Set (494241)
37 224502 Guard, Flywheel "" Included In Carburetor Kit(499220)
40 221598 Retainer, Intake Valve *'* Included In both Carburetor tQ (499220),
41 292260 RoIocoll, Exhaust Valve and Carburetor Gasket Set (494,385)
42 494553 Retainer, Rotocoil _ Included inValve Overhaul Gasket Set
45 262248 Tappet, Valve
46 212897 Gear, Cam NOTE: All component dimensions given tn U.S, Inches
50 213819 Carburetor, Elbow 1Inch= 25A mm
51 272465 *"* Gasket, Carburetor
56
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