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E
N
G
I
N
E
. SPARK
PLUGS
Recommended plugs:
Standard:
DPR8EA-9 (NGK) or
x24EPR-U9 (ND)
For cold climate:
(Below
5"C/41"F)
DPRTEA-9 (NGK)
or
x22EPR-U9 (ND)
For
extended high
speed
riding:
DPR9EA-9 (NGK) or
X27EPR-U9 (ND)
l.
Disconnect the spark
plug
caps.
2.
Clean
any
dirt from
around
the
spark
plug
bases.
3.
Rcmovc and discard the spark
plugs.
4.
Make sure the
new
spark plug gap
(l)
is
0.8-0.9
rnm
(0.031-0.035
in)
using
a
rvilc-typc
ltcler
gauge.
If
adjustment
is
ncccssary,
bend
the
side electrode
(2)
carcl'u
lly.
5.
With tlrc
lrlug
rvashers
attached, rhrcad
thc nov
spark
plugs
in
by
hand
to
pre-
vent cross-thrcading.
58
6.
Tighten
the
spark
plugs
l/2
turn
with
a
spark plug
wrench
to
compress
thc
washer.
7.
Reinstall the spark
plug
caps.
CAUTION:
*
The
spark
plug
must
be
securely
tighten-
ed.
An
improperly
tightened
plug
can
become
very
hot
and'
possibly
damage
the
engine.
*
Never
use
a
spark
plug
with
an
improper
heat
range.
IDLE
SPEEI)
The idle
spccd
acljustment procedure
given
here
shoukl
only
bc
used
when
changes
in
altituclc
allccl
Itorutal idle
speed
as set
by
your
rlculcr'. Scc
yotlr
authorized
Honda
dcalcl
lor
tcgttlittly
schcdulcd
carburetor
arl.jrrstrrrculs,
irrclrrrling individual
car-
l)urct()r irdjustntcrtt
attcl
synchronization.
NO
l-l
:
*
'l
lrc.cngine must bc warnr I'or
accurate
itllc
speed
4djustrncnt.
Tcn
minutes
ol
stop-and-go
riding
is
sufficient.
l.
Warm up
the engine,
shift to
neutral
and
place
the motorcycle on
its
center stand,
2.
Adjust
idle
speed
with
the
throttle
stop
screw
(l).
Idle
Speed: 1,300
-r
100
rpm
(In
neutral)
f,
(l)
Spark plug
gap
(2)
Side
clce lr
otlc
(l)
Throttle
stop
scrcw
59
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