5-4-11
INTAKE AND EXHAUST VALVE
(1)
Clean carbon and gum deposits from the valves, seats, ports and guides. Inspect valves, valve
(2)
Replace valves that are badly burned, pitted or warped.
(3)
When installing valves in cylinder head. Oil valve stems and insert them into valve guide.
Then place cylinder head on flat table, install washer, valve spring and spring retainer.
seats and valve guides..
(4)
Valve guides should be replaced when valve
stem clearance exceeds specifications (See
"
SERVICE
DATA").
Draw valve guides out and
press
new
guides in. Refer to "Table
1"
for
clearance specifications and proper assembly.
After replacing valves and valve guides, lap
valves in place until a uniform ring shows
around the face
of
the valve. Clean valves,
and wash cylinder head thoroughly.
VALVE
AND
VALVE
GUIDE
CLEARANCE
A-Valve Face Angle
B-Seat Angle
C-Guide Inside Dia.
Intake
Exhuast
D-Valve Stem Outside Dia.
Clearance Between
C
And D
I
Intake
I
Exhuast
t
45
45
6.600
-
6.622
mm
6.535
-
6.550
mm
6.522
-
6.544 mm
0.050
-
0.087
mrn
0.056
-
0.100mrn
Table
7
-
35
-
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