LUBRICATION, MAINTENANCE AND TUl\TE-UP
55
d. Compression gauge.
e.
Spa
rk
plug wire feeler gauge and gapper tool.
Cylinder Head
and
Cylind
er
Nuts
and
Bolt Tightening
The
cy
linder head is held
in
place with 4 nuts
al the
lOp
under
th
e
cy
linder head cover. There are
also 2
cy
li
nd
er head-to-cylinder nuts. one al the
front and one at the rear.
There are 2
cy
linder-to-crankcase nuts.
-.
-
The nuts should be tightened after the first 600
miles
(1.000 km) of the purchase
ofa
new bike and
at the
sa
me
mileage after the
cy
linder head
ha
s
been removed
for
service.
NOTE
In
some
cases Ihe cylinder
head
cm'u
can be remol
'e
d wilh the engine
i1l
the
frame.
This
depends
011
the
manufacluring tolerances
of
yo
ur
spe-
cific frame.
If
the
frame
is
a little on
th
e'
'small" side from
tOp
10
bOllom,
in
Ihe e1lgine mounling area.
or
if
olle
of
Ih
e engine mounting bosses is a little
off
lo/erance it will
be
impossible
/0
remOI
'e Ihe cylintier
head
cover,
camshaft anti the cylinder heati willi
the engine in Iheframe.
It
is suggesteti
Ihat the engine be remol'eti from Ihe
frame
for
this procel/ure.
CAUTION
If yo
II
choose
to
try to remove the '-)'
1-
imler head
cOI'er
wilh Ihe ellgine ill the
frame, do so
carefully-do
nOI
try to
force anylhing
off
if
Ihere isn 't enough
ro
om betweell the ellgine anti the top
of
the frame rail.
NOTE
This
procetillfe must be performed
1I;lh
lhe engine cold
(01
room temperature).
For
best results, let
'he
engine sit
ol'emighl alld perform this procedure
the first thing
ill
'he
morning.
I. Place the bike on the sidesland.
2.
Rem
ove the seat as described in Chapter
Twelve.
3.
Remo
ve
Ihe fuel tank as described
in
Chapter
Seven.
4. Remove the bolt and cap nut securing the
cy
l-
inder head left-hand
cove
r (Figure
91
).
Remove
the
cover and rubber cus
hi
ons.
5.
Carefu
ll
y
di
sco
nne
ct
th
e spark plug lead
(F
i
g-
ur
e
92
) from the spa
rk
plug.
6.
Remo
ve
the spa
rk
plug from the cylinder head.
NOTE
Eilher
u
se
a
wide
/fat-lipped
screwdriver
or
a special tool
made
by
Honda. This special
'wl
(Figure 93)
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