Yamaha F50D Servise Manual - page 173
Other manuals for F50D:
Owner's Manual
of
372
7-32
0
1
2
3
4
5
6
7
8
9
10
A
Disassembling the cylinder head
1.
Loosen the locknut
1
and adjusting
screw
2
.
2.
Remove the bolts
3
in the sequence
numbers (
z
,
x
, ···), and then remove
the rocker arm retainers
4
,
5
, stoppers
6
, tensioners
7
, rocker arm shaft
8
and rocker arms
9
.
TIP:
Make sure to keep the parts in the order as
they were removed.
3.
Remove the retaining bolt
0
and cam-
shaft
q
in the direction arrowed.
4.
Remove the intake valve and exhaust
valves.
TIP:
9
When replacing the valve, also replace the
valve guide and stem seal.
9
Make sure to keep the valves, springs, and
other parts in order as they were removed.
2
1
3
3
6
6
3
4
7
5
7
4
8
9
9
1
2
1
2
Valve spring compressor
w
:
90890-04019
Valve spring compressor attachment
e
:
90890-06320
q
0
e
w
Camshaft and valve