MAINTENANCE
VALVE CLEARAN
INSPECTION
• Inspect and adjust the valve clearance while the
engine
is
cold (below 35°C/95°F).
Remove the following:
- Side cover (page 2-8)
- Radiator cover (page 9-4)
Cylinder head cover (page 10-6)
Three bolts [1]
- Left crankcase cover duct [2]
It is not necessary Remove the four radiator mounting bolts and move the
to
disconnect the radiator
so
that the cooling fan
is
visible (page 9-7).
water hoses from
the radiator.
3-10
Rotate the crankshaft
[3]
counterclockwise slowly and
align the cut out ("T" mark) [4] of the cooling fan with the
index mark
[5]
on
the crankcase.
Make sure the mark
[1]
of the camshaft and index line
[2] of the cylinder head are aligned.
Make sure the piston
is
at TDC (Top Dead Center)
on
the compression stroke.
This position can
be
confirmed by checking that there
is
slack
in
the rocker arm.
If there
is
no slack, it
is
because the piston
is
moving
through the exhaust stroke to TDC.
Rotate the crankshaft one full turn counterclockwise
slowly and match
up
again.
Check the valve clearance
by
inserting a feeler gauge
[1] between the valve adjusting screw and valve stem.
VALVE
CLEARANCE:
IN:
0.10 ± 0.02 mm (0.004 ± 0.001 in}
EX:
0.24 ± 0.02 mm (0.009 ± 0.001 in}
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