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Cylinder Inspection
Remove
the carbon
deposits
from the exhaust port area.
CAUTION
I
•
Do
not
damage
the cylinder
bore.
Inspect the
top ot
t
he cylinder for warpage.
Use
a straight edge and feeler gauge to check the head gasket
surface on
the
cylinder for warpage.
If
warpage is beyond the serv ice limit, correct or replace as
necessary.
Service Limit:
0.05
mm (0.002 in)
Check that t he cylinder studs are tight.
If any are loose,
remove
them, clean
their
threads with contact
cleaner,
then re
install
them using
Honda
Anaerobic Thread
Lock
or
equivalent.
Tighten the studs to the specified torque.
Torque:
12
N•m
(1.2
kg-m,
9
ft-lb)
If
necessary, remove the bolts and water
hose joint from
the
cylinder.
Discard the
0-ring
and install a new one.
Install the water hose
joint
in the reverse order of remova
l.
Measure
the bore diameter at four positions, top, middle (Al,
middle
(B)
and the bottom.
With the
exception of the
bottom,
measure both
"
X
"
and
"Y"
axis
at
each position.
M
easure
only the
"X" axis of the bottom
position.
Top:
5
mm
(0.2
in)
Middle
(A):
20 mm (0.8
in)
Middle
(B)
:
70
mm (2.8 in)
Bottom;
90
mm
(3.5
in)
Use
the largest
figure measured
to determine
the
cylinder
wear.
Service
Limit:
53.88
mm (2.121
in)
RICIERED
Cylinder
Head/Cylinder/
Piston
(
1) EXHA
ST
PORT
(1)
WATER HOSE
7-7
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