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TRACTOR
-- MODEL
NUMBER
917.273390
BRIGGS ENGINE-MODEL
NUMBER 31H777,TYPE
NUMBER 0297-E1
KEY
PART
KEY
PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRIPTION
309
693551
310
690323
311
497608
333
495859
334
691061
337
691043
358
697191
363
19203
383
89838
404
691691
431
697122
445
697634
462
691261
474
696459
503
691532
505
691251
510
693699
513
692024
523
697086
524
691032
525
697184
527
698467
544
692034
552
697144
559
693675
562
691119
579
691029
584
697112
601
95162
614
691620
616
692012
617
692138
634
690801
634A
698779
635
691909
643
697417
654
690958
684
697157
691
692407
692
690572
697
690372
718
690959
729
691224
741
697128
750
691033
757
697607
758
697134
759
697392
783
693713
789
698329
797
693167
801
691283
802
691286
803
693757
830
691095
842
691031
847
697611
851
692424
Motor-Starter
Bolt (Starter Motor)
Brush Set
Armature-Magneto
Screw (Magneto Armature)
Plug-Spark
Gasket Set-Engine
Flywheel Puller
Wrench-Spark
Plug
Washer (Governor Crank)
Elbowqntake
Filter-Air Cleaner Cartridge
Washer (Starter Cable)
Alternator
Strap-Starter
Nut (Governor Control Lever)
Drive-Starter
Clutch-Drive
Dipstick
• Seal-Dipstick Tube
Tube-Dipstick
Clamp-Tube
Starter-Armature
Bushing-Governor
Crank
Screw (Remote Choke Stop)
Bolt (Governor Control Lever
Nut (Starter Cable)
Cover-Breather Passage
Clamp-Hose
Pin-Cotter
Crank-Governor
a • SeaI-O Ring (Intake Manifold
O Spring/Seal Assembly (Manual
Choke)
O Spring/Seal Assembly (Nikki)
Boot-Spark Plug
Retainer-Air Filter
Nut (Carburetor)
Screw (Breather Passage Cover)
• Seal-Governor Shaft
Spring-Detent
Screw (Drive Cap)
Pin-Locating
Clip-Wire
Gear-Timing
Screw (Oil Pump Cover)
Link-Counterweight
Counterweight
Pin-Counterweight
Gear-Pinion
Harness-Wiring
Nut (Brush Retainer)
Cap-Drive
Cap-End
Housing-Starter
Stud (Rocker Arm)
• SeaI-O Ring (DipstickTube)
Dipstick/Tube Assembly
Terminal-Spark Plug
868
690968
•+ Seal-Valve
914
690960
Screw (Rocker Cover)
943
690589
• SeaI-O Ring (Oil Pump Cover)
947
694393
Solenoid-Fuel
947A
695423
Solenoid-Fuel (Nikki)
950
691657
Screw (Float Bowl)
965
499613
Cover-Oil Pump
967
697015
Filter-Pre Cleaner
968
697446
Cover-Air Cleaner
975
495933
Bowl-Float
975A
699502
Bowl-Float (Nikki)
977
690192
Gasket Set-Carburetor
987
691326
Gt Seal-Throttle Shaft
987A
698777
a Seal-Throttle Shaft (Nikki)
1005
697111
Fan-Flywheel
1017
690770
Screen-Oil Pump
1019
698814
Kit-Label
1022
272475
•+ Gasket-Rocker Cover
1023
692492
Cover-Rocker Arm
1024
499054
Pump-Oil
1026
692003
Rod-Push (Intake)
......
692011
Rod-Push (Exhaust)
1027
492932
Filter-Oil
1029
691751
Arm-Rocker
1034
690822
Guide-Push Red
1035
693784
Shaft-Pump
1036
695700
Label-Emission
1040
698368
Plate-Trim
1044
698139
Screw (Flywheel)
1051
691265
Ring-Retaining
1058
275038
Owner's Manual
1059
698516
Kit-Screw/Washer
1070
690372
Screw (Flywheel Fan)
1090
691293
Retainer-Brush
1091
691333
Cap-Limiter
1095
690190
Gasket Set-Valve
1119
691183
Screw (Alternator)
1127
695407
Screw-Float Bowl
1263
697124
Reed-Breather
1264
697104
Screw (Breather Reed)
1265
697125
Support-Blower Housing
1266
691917
•O SeaI-O Ring (Intake Elbow)
1266A 697123
Gt SeaI-O Ring (Intake Elbow)
1267
697662
Latch-Blower Housing
1270
697156
Plug-AVS Counterweight
1279
690960
Screw (Blower Housing Support)
1329
31H777-0202 Replacement Engine
1330
272147
Repair Manual
Included in Engine Gasket Set, Key. No. 358
a
Included in Carburetor Overhaul Kit, Key. No.
121
$
Included in Carburetor Gasket Set, Key, No,
977
+
Included in Valve Gasket Set, Key, No. 1095
NOTE: All component dimensions given in U,S, inches
1 inch = 25.4 mm
52
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