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SEARS RIDING
MOWER
MODEL
502.254152
KEY
NO,
1
3
5
7
8
9
10
11
12
!3
t5
16
t8
20
22
23
24
25
PART
NO.
395705
391086
212914
*271075
391406
*27803
93394
280100
*270808.
2709 t 5
*270916
93723
91084
392299
Note:
391784
291675
93585
391988
222698
394661
394662
394663
394664
PISTON
RING SETS:
Note:
26
394665
391781
391782
391783
27
260924
28
299691
391286
29
391775
Note:
31
222299
32
92909
33
261185
34
261462
35
65906
36
26828
40
221 596
41
292260
DESCRIPTION
Cylinder
Assembly
Seal_Oil
Head - Cylinder
Gasket--
Cylinder
He_d
Breather
Assembly
Gasket--
Valve Cover
Screw-
Sere
Tube--Breather
Gasket--Crankcase-
Cover-
1/64"
thick
Gasket--Crankcase-
Cover-
.005"
thick
Gasket--Crankcase-
Cover-
,009"
thick
Screw-
Cylinder
Head
(3" .long)
iPlug-
Oil Drain
Crankshaft
To replace
Crankshaft
Gear Pin
Order'Part
No. 230978
Sump-
Oil
Seal=Oil
Screw-Sump
Mounting
Sere
Flywheel
and Ring
Gear Assy.
-- Magneto
Key-Flywheel
Piston
Assy.--
Std.
Piston
Assembly-
.01 O" O.S.
Piston
Assembty-
°020"
O.S.
Piston
Assembly-
.030"
O.S.
For Chrome
Piston
Ring
Set-
Standard
Size-
Order
No. 392331.
BRIGGS
& STRA'R'ON
ENGINE
MODEL
500.253707-0213-01
Ring Set-
Piston-
Std,
t 41
Ring Set-Piston-.010"
O.S.
142
Ring Set-Piston-.O20"
O.S.
147
Ring Set-Piston--.030"
O.S.
Lock-
Piston
Pin
Pin Assembly-Piston-
Standard
Pin Assembty-Piston-
,005"
O,S.
Rod Assembly-Connecting
For Connecting
Rod
with
.O20"
undersize
Crankpin
Bore-Order
No. 393712.
Lock-Conn.
Rod Screw
186
Screw-Conn,
Rod
1 87
Valve-
Exhaust
Valve-
Intake
Spring-Intake
Valve
201
Spring-
Exhaust
Valve
209
Retainer-Intake
Valve
216
Rotocoil-
Exhaust
Valve
KEY
PART
NO.
NO,
42
93630
45
261183
46
212897
52
*270872
75
220865
78
93805
94
t292681
95
93499
98
91920
99
26157
t0t
93043
t04
t230896
108
222010
118
t396568
121
394698
123
93357
125
396501
126
396574
127
t221997
128
211960
130
222858
131
391512
132
211712
133
299707
134
t299096
136
221995
137
t270511
138
t222014
390684
t299740
t231323
DESCRIPTION
Retainer-Exhaust
Valve
Rotocoil
(2)
Tappet-
Valve
Gear-
Cam
Gasket-Carburetor
Mounting
Washer-
Spring
Sealing
Screw-Sere
Valve
Assembly
Carburetor
Idle
Screw--Throttle
Valve
Choke
Valve
Mtg,
Sere
Screw-Machine
Fill,
Spring-Throttle
Adjustment
Pin-Throttle
Stop
Pin-Float
Hinge
Valve--Choke
Valve_Needle
Carburetor
Overhall
Kit
Screw-Carburetor
Mtg,
Carburetor
Assembly
Body Assembly
Carburetor
(Two
271 O 13 Foam
Washers
Included
in
AIt Ref. 126)
Plug-Welch
Venturi-Carburetor
Valve-Throttle
Shaft
and Lever-
Throttle
Stop-Throttle
Float-Carburetor
Valve-Fuel
Inlet
Bowl-Float
Gasket-Float
Bowl
Washer-Float
Bowl
Shaft
and Lever-Choke
Nozzle-Carburetor
Screw-Nozzle
67218
299146
261609
261306
261610
Connector-Fuel
Pipe
Line-Fuel
(28"
long)
(Cut to Suit)
Link-Governor
Spring-Gov.
Link-Choke
F-88516
50
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