Craftsman 917.9998A Owner's Manual page 40

550 series briggs & stratton engine 21" rear-discharge rotary lawn mower
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BRIGGS
& STRATTON
4=CYCLE
ENGINE
MODEL NUMBER 9P702-0027=F1
KEY
PART
KEY
PART
NO.
NO.
DESCRIPTION
NO.
NO.
DESCRiPTiON
1
590519
3
299819s
4
590569
5
590525
7
799586
11
590522
12
799587
13
590512
16
590538
20
391483s
22
692551
22A
590763
23
590544
24
222698s
25
590521
26
590523
27
691588
28
699659
29
590518
32
691664
33
590531
34
590530
35
590532
36
590532
37
590582
40
590528
43
697799
45
590514
46
590524
48
N/A
Cylinder Assembly
Kit-Bushing / Seal
(Magneto Side)
Sump-Engine
Head-Cylinder
Gasket-Cylinder
Head
Tube-Breather
Gasket-Crankcase
Screw (Cylinder Head)
Crankshaft
Seal-Oil (PTO Side)
Screw (Crankcase
Cover
Sump) (1/4-20 x 1.19)
Screw (Crankcase
Cover
Sump) (1/4-20 x .78)
Flywheel
Key-Flywheel
(Aluminum)
Piston Assembly (Standard)
Ring Set (Standard)
Lock-Piston
Pin
Pin-Piston
Rod-Connecting
Screw (Connecting
Rod)
Valve-Exhaust
Valve-Intake
Spring-Valve
(Intake)
Spring-Valve
(Exhaust)
Guard-Flywheel
Retainer-Valve
Slinger-Governor
/ Oil
Tappet-Valve
Camshaft
Short Block (Not Available
at the time of this printing)
58
591108
Rope-Starter
60
691915
Grip-Starter
Rope
60A
799716
Grip-Starter
Rope
75
590546
Washer (Flywheel)
78
793480
Screw (Flywheel Guard)
104
590558
Pin-Float Hinge
121
590589
Kit-Carburetor
Overhaul
122
590549
Spacer-Carburetor
125
590556
Carburetor
130
691190
Valve-Throttle
(Original Carburetor)
133
591120
Float-Carburetor
155
590529
Plate-Cylinder
Head
163
799580
Gasket-Air Cleaner
187
791766
Line-Fuel
(Cut To Required Length)
188
793480
Screw (Control Bracket)
192
590535
Adjuster-Rocker
Arm
202
590517
Link-Mechanical
Governor
209
590541
Spring-Governor
(Purple)
222
590560
Bracket-Control
227
590520
Lever-Governor
Control
238
590533
Cap-Valve
300
590565
Muffler
305
590586
Screw (Blower Housing)
318
793480
Screw (Mounting Bracket)
332
690662
Nut (Flywheel)
333
799582
Armature-Magneto
334
691061
Screw (Magneto Armature)
337
692051
Plug-Spark
356
692390
Wire-Stop
358
590590
Gasket Set-Engine
404
690272
Washer (Governor Crank)
455
590545
Cup-Flywheel
40

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