
TRACTOR - - MODEL NUMBER 917.270750
BRIGGS ENGINE-MODEL NUMBER 407777, TYPE NUMBER 0121-E3
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
383 690966 Wrench-Spark Plug 855 691011 Adapter-Air
385 690960 Screw (Fuel Pump) 865 691012 Cover-Air Guide
387 808656 Pump-Fuel 865A 691014 Cover-Air Guide
404 690442 Washer (Governor Crank) 865B 691015 Cover-Air Guide
418 690999 Plate-Cover 868 690968 _ Seal-Valve
445 499486 Filter-Air Cleaner Cartridge 871 690969 Bushing-Guide
447 691003 Screw (Air Guide Cover) 877 399916 Alternator Connector/Wire
447A 690960 Screw (Air Guide Cover) 883 690970 ,k_ Gasket-Exhaust
462 691261 Washer (Starter Cable) 914 690960 Screw(Rocker Cover)
467 691008 Knob-Air Cleaner 918 694000 Hose-Vacuum
474 691064 Alternator 929 691003 Screw (Choke Control
501 691185 Regulator Bracket)
505 691029 Nut (Gov. Control Lever) 934 691058 Screw (Fan Retainer)
510 497606 Drive-Starter 943 690589 * O-Ring Seal (Oil Pump
513 692024 Clutch-Drive Cover)
523 691036 Dipstick 947 499809 Solenoid-Fuel
524 691032 _r Dipstick Tube Seal 965 499613 Oil Pump Cover
525 691037 Dipstick Tube 967 273638 Filter-Pre-Cleaner
526 690960 Screw (Regulator) 968 499788 Cover-Air Cleaner
544 Armature-Starter (Service 975 499810 Bowl-Float
with 691262 Starter Motor) 977 499812 Gasket Set-Carburetor
552 690552 Bushing-Governor Crank 987 691000 O• Seal-Throttle Shaft
552A 690553 Bushing-Governor Crank 1005 691243 Fan-Flywheel
562 690311 Bolt (Gov. Control Lever) 1006 691247 Retainer-Fan
573 691009 Plate-Back 1013 690954 Nipple-Oil Filter
579 691029 Nut (Starter Cable) 1017 690770 Oil Pump Screen
601 691038 Clamp-Hose 1019 690103 Label Kit
615 690317 Retainer-Governor Shaft 1022 690971 *_ Gasket-Rocker Cover
616 691045 Crank-Governor 1023 499599 Cover-Rocker(Cyl. No. 1)
628 690960 Screw (Fuel Pump Bracket) 1023A 499600 Cover-Rocker (Cyl. No. 2)
633 690998 O• Seal-Choke Shaft 1024 499054 Pump-Oil
635 66538 Boot-Spark Plug 1026 690981 Rod-Push (Steel)
654 690958 Nut (Carburetor) 1026A 690982 Rod-Push (Aluminum)
668 691215 Spacer 1027 492932 Filter-Oil
672 690234 O_. Gasket-Carburetor Plate 1029 690972 RockerArm
691 690657 ,/r Governor Shaft Seal 1033 499890 Valve Overhaul Kit
697 690372 Screw (Drive Cap) 1035 691042 Shalt-Pump
703 691010 Clip 1036 695104 EmissionsLabel
718 690959 Pin-Locating 1051 691265 Ring-Retaining
726 499612 Gear-Ring 1058 274277 Owner's Manual
729 694123 Wire Clip 1090 691293 Retainer-Brush
741 690980 Gear-Timing 1100 690973 RockerArm Pivot
742 690328 E-Ring Retainer 1119 691183 Screw (Alternator)
750 691033 Screw (Oil Pump Cover) 1123 690987 O• O-Ring Seal (Solenoid
783 693058 Gear-Pinion Retainer)
788 691039 Fuel Pump Bracket 1124 690988 O• O-Ring SeaI-FueITransfer
789 695050 Harness-Wiring Tube
797 693167 Screw (Brush Retainer) 1126 690991 Screw (Fuel Transfer Tube
798 690967 Screw (Rocker Arm) 1127 690992 Screw (Float Bowl)
801 691283 Cap-Drive 1128 690990 • Screw (Carburetor Nozzle)
802 691286 Cap-End 1169 690990 Screw (Carburetor Cover
803 Housing(Service with Plate)
691262 Starter Motor) ---- 445777-0027-E2 Replacement Engine
842 691031 "Jr Dipstick/Tube Seal RPM Settings: Low Speed: 1900-2100
847 499602 Dipstick/Tube Assembly HighSpeed: 3000-3200
851 691234 TerminaI-Sparkplug
Included in Engine Gasket Set, Ref. No. 358
Included in Carburetor Overhaul Kit,Ref. No.
121
• Included in Carburetor Gasket Set, Ref. No.
977
Included in Valve Overhaul Kit. Ref. No. 1033
NOTE: All component dimensions given in U.S.
inches 1 inch= 25.4 mm
54