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ADJUSTMENT OF VALVE CLEARANCE
(1)
Remove the rocker cover
:In,
loosen the rocker arm lock nut :fI:2,
and, while turning the adjusting screw :fI:3, measure and adjust the
valve clearance with a thickness gauge between the valve stem and
rocker arm position A.
1
3
(2)
With the No. 1 cylinder at TDC on compression stroke, adjust the
clearance of the intake and exhaust valves of the No. 1 cylinder.
Then,
with
the No. 2
cylinder
at
TDC
on
compression
stroke,
adjust
the clearance of
the
intake and exhaust valves of
the
No.2 cylinder.
(3)
To posi tion
the No. 1 cylinder
for TDC of compression
align
the
timing
mark
on
the
gear
case
with
that
crankshaft
pulley.
position
No. 2
cylinder
at
TDC
compression stroke by rotating the crankshaft 170·.
(4)
After
the
adjustment,
securely
tighten
the
rocker
arm
nut
while
holding
the
adjusting
screw from rotating.
Note:
The cylinder
head
holddown bol ts should be
torqued before the valve
adjustment is made.
Valve
Clearance
(both
intake
and
exhaust)
engine cold:
0.25mm
35
stroke,
on
the
of
its
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