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144 MAINTENANCE-CHASSIS
DRIVE CHAIN
The drive system was designed for
use
with
the
standard
chain
.
.For maximum strength and
safety,
the standard cham must
be used
for
replacement.
Table J7
Drive Chain
Make
Type
Link
Enuma
EK530SH-G
98 iink
Wear
When
the drive
chain
has
worn
so
much
that its
length
is
2% longer
than
the
original,
it
is no
longer
safe for use
and should
be
replaced.
Whenever
the
chain is
replaced,
inspect
both the
engine and
rear
sprockets,
and
replace
them
if necessary.
Overworn
sprockets will
cause
a
new
chain to wear quickly.
See
page
145 ("sprockets"
section).
Since
it is
impractical
to
measure
the
entire length
of the chain, determine
the
degree of wear by measuring
a 20-link
length of
the chain
.
Stretch the chain
taut
either by using the chain adjuster, or by hanging a
10 kg
weight on the chain.
Measure
the
length of
20
links
on a straight
part
of the chain from
the
center
of the 1st pin to the center of
the
21st
pin.
If
the
length is greater than the
service limit,
the
chain should
be
replaced.
A. Weight
Drive Chain
1st
2nd
3rd
k
Measure
this
length
Table
JS
Drive Chain 20-link Length
Standard
Service Limit
317.5-318.1 mm
323 mm
Lubrication
In order for the chain
to
function safely and wear
slowly,
it
should be properly lubricated in accordance
with the
Periodic
Maintenance Chart
(Pg.
10).
Lu
bri-
cation
is
also necessary after riding
through
rain
or
on wet roads, or any
time that the
chain appears dry.
Anytime
that
the motorcycle has been washed
the
chain should be
immediately
lubricated to avoid
1
rust.
The chain should
be lubricated
with a lubricant which
will both
prevent the
exterior from
rusting and also
abs-orb shock and reduce
friction
in the
interior
of
the
chain.
An effective, good
quality
lubricant specially
formulated for
chains
is
best for
regular chain lubri-
c~tion.
If
a special lubricant is
not
available, a
heavy
oil
such
as SAE 90
is
preferred
to
a
lighter
oil because
it
will stay
on the
chain
longer
and provide
better
lubrication
.
Apply the oil to
the
sides of
the
rollers
and between the side plates of
the
links
so
that oi
l
will penetrate
to
the pins and
bushings
where most
wear takes place. Wipe off any excess oil.
A.Oil
Dirt will cling
to the
oil and act as an
abrasive
accelerating
chain wear. Whenever the
chain
become;
particularly dirty,
it
must be cleaned in kerosene and
Bushing
QID
Roller
Link
20th
21st
>I

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   Also See for Kawasaki Z250 1981

This manual is also suitable for:

Kz350 1981

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