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MODEL W13A:
ADJUSTMENT OF VALVE CLEARANCE
1.
Remove
the
rocker
cover
and
loosen
the
rocker
arm
nut.
Check the valve clearance with
a
feeler
gauge
and,
if
necessary,
adj ust
it with
the
adjusting screw.
2.
Adjust
the
intake
and
exhaust
valves
on
No.1
cylinder
side
first
at
TDC
on
compression
stroke
of
No.
1
cylinder:.
Then, adjust on No.
2 cylinder
side
at
TDC
on
compression
stroke of No.2 cylinder.
3.
Each cylinder piston is at TDC
on compression stroke when the
timing mark on the gear case is
in alignment with
that on the
crankshaft pulley.
4.
After
adjustment,
keep
the
adjusting
screw
from
turning
and tighten the rocker arm nut
securely.
NOTE:
Retighten
the cylinder
head
bolts
before
valve
clearance is adjusted.
38
,>:
rfs;
'ii
Mark
o;::T
case side
Front of engine
-
r
2
o
4
o
5
o
2 cylinder
W13A
Bolts *1,2,3,4,5, & 6
(17rnrn 7 -
8
Kg-m)
3
o
Rocker Shaft Holddown Bolts
(14mm 3.5 Kg-m)
Note:
rnrn
sizes shown are
socket size for head bolt.
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