til
15
502-3
16
505-98
17
505-59
18
502-20
19
502-1
X-4125
F404L-210
Connector,
Oil
Filter
Inlet
Line
..........
-
........
,.
....
,.
....................
*"
................
.
Nipple,
Oil
'Filter
Inlet
Tee
-
1/8"
Pipe
-
Gasoline
Plant
.............
.
Tee,
Oil
Filter
Inlet
Line
~
Gasoline
Plant
••••••••••••••••••••••••••••
Elbow,
Oil
Filter
Inlet
Tee
-
Gas-Gasoline
Plant
•••••••••••••••••••••••
Tee,
Oil
Filter
Inlet
Line
-
Gas-Gasoline
Plant
••••••••••••••••••••••••
Stud -
Oil
Filter
Mounting
•••••••••••••••••••••••••••••••••••••••••••••
Felt
..
Oil
Level
Gauge ..............................................................
"'
..
"
....
" ............... .
PISTON
AND
CONNECTING ROD GROUP
(Fig.
5)
1 Y400A-318lE
Piston
AGsembly -
Includes
Piston,
Pin
and
Retaining
Rings
•••••••••••••
2
3
4
5
6
7
7
8
9
9
10
11
1
2
2
3
4
5
5
6
7
Y400A-'207
PYA-202
Y400A-310
Y9lA-JOl
Y9lA-J05
11:3--3
Y400D-4023
Y400D-3023
yl~OOD-200
Y400G-314
Y400G-315
Xl8210
X608
Y400:::-301
Y4001-308
Y400I-210
Y400I-209
Y400I-215
Y4001-204
Y4001-217
Y400I-205
Y400I-309
Pm,
Piston
........
'"
.............................................
" ..........................................
..
Rip.g,
Retaining
.......................................................
.
Ring,
Piston
- Top Groove -
Compression
..............................
..
Ring,
Piston
- Middle,
Groove-
Compression
•••••••••••••••••••••••••••••
Ring,
piston
- BottOm Groove
,-
Oil
Control
............................
.
Ring
Set
-
For
1
Piston
••••••••••••.•••••••••••••••••••••••••••••••••••
Rod,
Connecting
-
Cylinders
1
and
3 -
Includes
Rod, Cap,
Bearings,
Pin
Bushing,
Bolts
and
Nuts
............................................
..
Rod,
Connecting
-
Cylinders
2
and
4 -
Includes
Rod, Cap,
Bearings,
Pin
Bushing,
Bolts
and
Nuts
...........................................
~
..
Bolt,
Connecting
Rod
..................................................
.
Bearing
Shell,
Connecting
Rod
-
Cylinders
2
and
4 -
Upper
and
Lower
...
.
Bearing
Shell,
Connecting
Rod -
Cylinders
1
and
3 -
Upper
and
Lower
...
.
Nut,
Connecting
Rod'
Bolt
-
5/16"-24
-
Hardened
•
~
•••••••••••••••••••••••
Pin,
Cotter
-
Connecting
Rod Nut
......................................
.
VALVE GROUP
(Fig.
6)
Valve,
Intake
....................
,
.....................................
.
Valve,
Exhaust
- Roto
(Not
Used on
Y91
Spec.
246)
••••••••••••••••••••••
Valve,
Exhaust
-
Conventional
(Used
on
Spec.
246)
••••••••••••••••••••••
Guide,
V~ve
Sten1
......................................................
.
Spring)
VaJ..ve
......................
Q
••••••••••••••••••••••••••••••••••••••
Retainer,
Valve
Spring
-
Intake
(And
Conventional
Exhaust)
Valve
......
.
Retainer,
Valve
Spring
- Exha.ust
Valve
(Roto
Type
Only)
..............
..
Pin,
Valve
Spring
Retainer
Lock -
Intake
(and
Conventional
Exhaust)
...
.
Cap,
Valve
Stem -
Exhaust
(Roto
Type Only)
............
'
...............
..
2
.1:1
1
.15
1
.35
1
.35
1
.70
2
.10
1
.10
4.90
4
.55
8
4
.10
.25
4
.35
4
4
.50
4
1.15
"':j
>
2
~
2
8
.15
!:
.75
4
~
.75
8
4
.10
8
.10
.85
4
1.85
4
8
4
.35
8
.35
4
(~
.15
.10
4 (8)
4
.10
4
.60
e..1
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