Spark Plug
Recommended
spark
plug:
• Standard:
BR8HS (NGK) W24FSR (ND)
• For cold climate:
BR7HS (NGK) W22FSR (ND)
• For extended high speed riding
BR9HS(NGK)W27FSR(ND)
1. Disconnect
the
spark plug cap.
2.
Clean
any
dirt from
around
the
spark plug base.
3. Remove
and
clean the spark plug.
Inspect
the
spark plug;
the
electrode
should have square edges and
not
be
eroded. Discard the spark plug
if
there
is any wear,
noti
ceable
contamination
,
or
if
the
insulator is cracked
or
chip-
ped.
4.
Make sure
the
new spark plug gap
(1)
is
0.6-0.7
mm
(0.024
-
0.028
in)
using
a wire-type feeler gauge.
If
adj
ustment
is
necessary, bend the side electrode
(2) carefully.
5. With
the
plug washer
attached,
thread
the
new spark plug
in
by
hand
to
prevent cross-threading.
6. Tighten
the
spark plug
1/2
tum
with
a
spark plug wrench
to
compress
the
washer.
7.
Install
the
plug cap.
CAUTION:
"'
The spark plug
must
be securely tight-
ened.
An
improperly tightened plug
can become very
hot
and
possibly
damage the engine.
* Never use a spark plug with an im-
proper
heat
range.
(1)
Spark plug gap (2) Side electrode 4 7 j
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