Honda CB Unicorn 160 Owner's Manual page 63

(1) Spark plug cap
(2) Spark Plug wrench
4. Check the
using a wire-type
If adjustment
bend the side electrode (4) carefully.
The gap should be:
0.8-0.9 mm(0.03-0.04 in)
5. With the plug washer attached, the
spark plug in by hand to prevent
cross-threading.
(1)
spark plug gap
feeler gauge.
is necessary,
(2)
(3) Spark plug gap
(4) Side electrode
6. Tighten the spark plug:
• If the old plug is good:
(3)
1/8 turn after it seats.
• If installing a new plug, tighten it twice
to prevent loosening:
a) First, tighten the plug:
NGK1/2 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
(4)
(3)
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