Honda CB160 Shop Manual page 121

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6. 1 MAINTENANCE
{NOTE)
Either of the two cams may be used.
h.
Loosen the two breaker retaining screws and
adjust (bl with a screwdriver.
When (bl
is
rotated in a clockwise direction, the sparking
occurs later.
If rotated to the left the sparking
occurs sooner.
{Refer to Fig. 6. 13)
i.
To adjust the point clearance, use a timing
light to check the spark.
{Refer to Fig. 6. 13)
(NOTE)
Since the shaft turns through 360 deg for one
cycle, sparking occurring at the time the mark on
the stator is 40 deg beyond that of the generator
rotor, is acceptable.
4.
Adjusting the spark plugs
When a spork plug is worn or the paints pitted
and burned, the best spark is not obtained.
.Plugs
must be cleaned and adjusted periodica.lly.
a.
Tools required for spark plug adjusting.
{Refer
to Fig. 6. 14)
b.
Remove the spark plugs.
c.
Clean with a wire brush.
{Refer to Fig. 6. 15)
d.
After cleaning, wipe the plug.
If highly car-
boned, scrape the points clean.
(CAUTION)
Never use flame to burn carbon off.
e.
The clearance of the spark plug points should
be 0.6 mm 1.023"). Squeeze or bend the points
gently to adjust.
(Refer to Fig. 6. 16)
Fig. 6. 13
Spark advance arm
Fig. 6. 14
Tool! required for spark plug odiustment
Fig. 6. 15
Cleaning the spark plugs
fig. 6. 16
Checking spark
plug
clearonco
117

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