Filter
Top Products
5-4-7
TAPPET
ADJUSTMENT
Lower the tappet all the way
down,
push the valve, and insert
a
feeler gauge between the valve and tappet
stem to measure the clearance. (See
Fig.
33.)
Note: The correct tappet clearance for both intake and exhaust valve
is
0.7
mm
k0.02
mm
as
measured when
,”.
the engine
is
cold.
1
I
Fig.
33
/
I
Fit t-he oil seal to the
valve
stem.
[Only
for
EY201
L
Fig.
34
Note:
If
the clearance
is
smaller than specified, slightly grind the top
of
the valve stem, and measure
it
again.
On the contrary,
if
the clearance
is
too large, replace the valve with new one, and polish its contact
surface with
a
compound to obtain
a
good
fit.
Then adjust the clearance.
Note: After the tappet clearance adjustment, install the valve spring retainers, and turn the crankshaft, and
measure the tappet clearance once again
if
it
is
correct.
Note: [Only for EY20VI After the tappet clearance adjustment,
fit
the oil seal to the intake valve stem.
n
Note: INSTALLATION of SPRING RETAINERS
Place the notch on the outer circumference
of
the retainer toward this
side
and insert the re-
tainer, like pushing in, using a special tool.
(This special tool
is
used for
EY18
and other
models.)
If
a
driver
is
used, insertion may be
easier.
Fig.
35
Front should
be
this side.
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24
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