54
4. Remove the cap (Figure 88) and make
S
Ufe
the
swing arm pivot bolt and
nUl
(F
igure
89
) arc ligh!.
5.
Make sure the
fc
ar
ax
le nut is tight
(F
igure 90).
CAUTION
If
wry
of
the
pre\'iously
mentioned
boils
amI
nuts are
foose,
refer
to
Chapter
Tell
for correct procedures and torque
specificatiolls.
Nuts, Bolts and
Other
.'astencrs
Constant vibration cnn loosen many
of
the
fasteners on the motorcycle. Check the tightness
of
all fasteners. especia
ll
y those on:
a. Engine mounting hardware.
b. Engine crankcase covers.
c. Handlebar and front forks.
d. Gearshift lever.
c.
Brake pedal and lever.
f. Sprocket bolls and nut
s.
g.
Exhaust system .
h. Lighting equipment.
Steer
in
g Head Adjustment Check
Check the steering head bearings for looseness
at the inter
val
listed in Table 2.
Place a wood block(s)
un
der each side
of
the
frame
to
support
it
securely with the front wheel
off the ground.
Hold
OniO
the front fork tube and gently rock
the fork assembly back and forth. If
you
feel
looseness. refer
to
Chapter Nine.
TUNE-UP
Pcrform a complete tunc-up
at
the interval listed
in Table 2 for normal riding. More frequent
tune-
ups
may
be
required if the bike is ridd
en
in
stop-
and-go
traffic. The
pu
rpose
of
the tune-up is
to
restore the performance lost due to nor
mal
wear
and deterioration
of
parts.
The spark p
lu
g should be routinely rcplaced at
every other tunc-up
or
if the electrodes show signs
of
erosion. In addition. this
is
a good ti
me
to
clean
the air filte r clement. Have the new
pans
on hand
before
you
begin.
Because the differe
nt
sys
tems
in
an engine
interact. the procedures should
be
done
in
the
following order:
CHAPTER THREE
a. Torque cylinder head nuts.
b.
Adjust valve clearances.
c.
Run
a comp
re
ssion test.
d. Set the idle speed.
e.
Replace the spark plug.
Table
6 summarizes tunc-up specifications.
To
perform a
tu
ne-up
on
your Suzuki.
you
will
need
th
e
foll
owing tools and
eq
uipment:
a.
17
mm spa
rk
p
lu
g wrench.
b.
Socket wrench and assorted soc
kct
s.
c.
Flat
fee
l
er
gauge.
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