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18 ENGINE
189
Check sealing seat
o
of the valves.
Valve - sealing seat width
Intake
1.60 mm (0.063 in)
mm
Valve - sealing seat width
2.00 mm (0.0787 in)
Exhaust
» If the measured value does not equal the specified value:
- Machine the valve seat.
Blow compressed air through all oil channels and check that they are clear.
302808-10
18.4.27 Installing the valves
Position valve spring seat O- Mount valve stem seal
©
Mount the valve corresponding to its installation position.
Mount the valve spring retainers.
O
h
& $
311863-10
7
Tension the valve spring with a special tool.
Valve spring mounter (59029019000) (83 p. 322)
/
Insert for valve spring lever (79029060000) (i® p. 330)
,
311862-10
Mount valve keys
©
Info
When mounting the valve keys, check that they are seated correctly;
preferably, fix the valve keys to the valve with a little grease.
I
EfP
7
S'
*t,
§311864-10
18.4.28 Installing cam lever and rocker arm
Place shims O into the valve spring retainers according to their normal built-in
position.
o
^4
<L- :
o
v>,
mjt
a
*
311853-11
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