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TRACTOR - - MODEL NUMBER 917.273510
BRIGGS & STRATTON ENGINE-MODEL NUMBER 407577,TYPE NUMBER 0283-E1
KEY PART KEY PART
NO, NO. DESCRIPTION NO. NO. DESCRIPTION
1 699751 Cylinder Assembly 180 699809 Valve-Throttle
2 499585 Kit-Bushing/Seal (Magneto Side) 18I 699812 Kit-Throttle Shaft
3 391086 - Seal-Oil (Magneto Side) 133 694914 Float-Carburetor
4 699747 Surag-Eagine 137 698781 O Gasket-Float Bowl
5 693998 Head-Cylinder (Cylioder I ) 14I 699811 Kit-Choke Shaft
5A 693999 Head-Cylinder (Cylioder 2) 146 690979 Key-Timiag
7 690962 -4- Gasket-Cylinder Head 165 693148 Nut (Ring Gear)
8 499601 Breather Assembly 187 699799 Line-Fuel
9 690937 - Gasket-Breather 187A 691049 Line-Fuel (Molded)
10 690960 Screw (Breather Assembly) 188 690960 Screw (Control Bracket)
11 690942 Tube-Breather 192 690083 Adiuster-Rocker Arm
12 697227 - Gasket-Crankcase 209 692909 Spring-Governor
13 690360 Screw (Cylinder Head) 21I 691019 Spring-Governed Idle
15 690946 Plug-Oil Drain 212 699805 Link-Throttle
16 691046 Crankshalt 213 691021 Bracket-Choke Control
20 690947 - Seal-Oil (PTO Side) 216 691022 Link-Choke
22 694966 Screw (Engine Sump) 219 698231 Gear-Governor
23 69I 054 Flywheel 220 690412 Washer (Governor Lever)
24 222698 Key- Flywheel 222 698761 Bracket-C_ntrol
25 499588 Piston Assembly (Standard) 227 691048 Lever-Governor Control
25 499590 Piston Assembly (020 _ 28I 690718 Screw (Choke Valve)
Oversize) 240 691035 Filter-Fuel
26 499604 Ring Set-Piston (Standard) 250 690957 Retainer-Breather
26 499606 Ring Set-Piston (020' Oversize) 252 690956 Collector-Oil
27 690975 Lock-Piston Pin 265 691024 Clamp-Casing
28 690229 Pin-Piston 267 695134 Screw (Casing Clamp)
29 499583 Rod-Connecting 276 695410 + Washer-Sealiag
32 690976 Screw (Connecting Rod) 287 690960 Screw (Dipstick Tube)
3,3 499596 Valve- E×haust 304 695277 Housiag-BIower
34 499597 Valve-Intake 305 691005 Screw (Blower Housing)
35 690963 Spriag-Valve (Intake) 309 497595 Motor-Starter
36 690963 Spriag-Valve (Exhaust) 310 690323 Bolt (Starter Motor)
40 690964 Retainer-Valve 311 497608 Brush Set
42 499586 Keeper-Valve 332 691059 Nut (Flywheel)
45 690977 Tappet-Valve 333 691060 Armature-Magneto
46 699748 Camshaft 334 691061 Screw (Magneto Armature)
48 692714 Short Block 337 691043 Spark Plug
50 699801 Manilold-Intake 358 699823 Set-Engine Gasket
5I 690949 +- _35Gasket-Intake 363 691062 Flywheel Puller
5IA 699803 +- _35Gasket-Intake 383 690966 Wrench-Spark Plug
5IB 699800 +- OSGasket-lntake 385 690960 Screw (Fuel Pump)
53 690951 Stud (Carburetor) 387 808656 Pump-Fuel
54 699816 Screw (Intake Manifold) 404 690442 Washer (Governor Crank)
78 69I 055 Screen-Rotating 405 697820 Screw (Back Plate)
74 69I 057 Screw (Rotating Screen) 48I 699806 Elbow-intake
75 69I 056 Washer (Flywheel) 445 499486 Filter-Air Cleaner Cartridge
89 690283 Plug-Oil 447 691008 Screw (Air Guide C_ver)
98 699721 Kit-Idle Speed 447A 690960 Screw (Air Guide C_ver)
104 694918 O Pin-Float Hinge
105 698537 O ValveiFIoat Needle • included in Engine Gasket Set, Key. No 358
108 699808 Valve-Choke O Included in Carburetor Overhaul Kit, Key.No
117 698784 Jet-Main (Standard) I21
118 699820 Jet-Main (High Altitude) _ Included in Carburetor Gasket Set, Key. No. 977
12I 699814 Kit-Carburetor Overhaul + Included in Valve Gasket Set, Key. No. 1095
122 699802 Spacer-Carburetor
125 699807 Carburetor NOTE: All component dimensions given in U.S. inches
127 699810 Plug-Welch 1inch = 25.4 n_rn
51