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80
CTIO '79 ADDENDUM
7,
VALVE
CLEARANCE
NOTE
VaJve
clearanoe
adjustment
must be performed while
the engine b
cold
(below
32°C, 95°F).
I.
Remove
the generator cover
and
vaJve adjusting caps.
2.
Rotate the flywheel
counterclockwise
and align the
"T"
mark
on
the flywheel with the index
muk on
the
crankcase cover.
The
piston
must
be
at
T.D.C.
of
the compression
stroke.
3.
Measure the
intake and exhaust vaJvc
clearances with
a
0.05 mm
{0.002 in.)
feeler gauge. Insert the feeler
gauge between the
valve adjusting
screw
and valve
stem.
4.
AdjuSI
by
loosening
the
valve adjusting screw Jock
nut and turning the valve adjusting screw
until
there
is
a slight drag on the feele
r
gauge.
5.
Hold the adjusting screw and
tighten
the
lock nut.
6.
Recheck
the clearance.
7.
Reinstall the
generator cover and valve adjusting caps.
8.
CONT
ACT
BREAKER
POINT GAP
AND
JGNI·
TION TIMING
NOTE
Adjustment of
the
point gap and ignition timing arc
made
at
onetime.
I.
Remove
the generator cover.
2.
Inspect
the contact point surfaces. If
they
are
level
but grayish in color or are slightly pitted, file
or
sand
them lightly.
If
they have a noticable
transfer
of
metal from
one surface
to the
other,
have
evidence
of
heavy
arcing, or
arc worn
at
an angle,
the point
set should be replaced.
3.
Disconnect the A.C.
generator
wires.
4.
Connect
a continuity light to the
black lead and
to
a positive battery
terminal.
5.
Connect
the
negative battery terminal to a convenient
frame
ground.
6.
Rome lhe flywheel counterclockwise and align the
"P'·mark on the
flywheel
with
the index
mark
on
the
crankcase cover.
®
<a)
NEW
USED
(Q)
~~
USERVICEABLE-REPLACE
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