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Table of Contents
18 ADJUSTMENT-ENGINE
rpm.
Also,
the
bu tterfly
valves may not open fully at
fu
ll
throttle. On
the
other
hand,
if
the
cables
are too
tight,
the
throttle will
be
hard
to
control, and the idle
speed will be erratic.
To check the throttle cable adjustment:
•Check
that
there
is 2,...,3 mm
throttle
grip play.
(823)
•Push the throttle
grip completely closed. At this
t
ime
the
decelerator throttle cable bracket should
be
pushed
down
1-2
mm. When
the throttle grip
is
released,
the
cable
bracket should be
returned
to
its rest
position
by
the
spring
tension.
NOTE:
This
assures
that the stress of
throttle
grip return
will
be taken
by the
throttle grip, protecting
the
carbu-
retor linkage
mechanism.
A. Decelerator
Throttle
Cable Bracket
B. Locknut
If
ai1y
one
of th~ above
checks shows
improper
ad·
justment, adjust
the
throttle
cables
as follows:
•Loosen the
locknuts,
and screw both
throttle
cable
adjusting
nuts in fully at
the upper
end of the
throttle
cables
so
as
to
give the throttle
grip
plenty
of
play.
•Turn out
the
decelerator
cable
adjusting
nut
until the
cable bracket is pushed
down
1 ""'
2 mm when
the
throttle grip
is completely
closed.
Tighten
the
locknut.
A. Decelerator Cable Adjusting
Nut
B. Locknut
•Turn the accelerator
cable adjusting
nut
until
2,...,3 mm
of throttle grip play is obtained. Tighten
the locknut.
A. Accelerator Cable
Adjusting
Nut
B. Locknut
NOTE:
If
the throttle
cables
cannot be adjusted by
using
the
cable
adjusting nuts
at the upper end of the
throttle
cables,
use the cable adjusters at
the
lower
ends
of
the
throttle
cables. Do not forge
t
to securely tighten
the ad
justing
lockn
uts.
CARBURETORS
Al
though
some internal
carburetor parts
can
be ad-
justed
by
replacement,
repositioning,
etc ., these adjust-
ments
are
covered
in
the
maintenance
section
of
th
is
manual.
The
following
procedure covers the
idl
ing
adjustment,
which
is
the
ad
justment
necessary
for
periodic main tenance and
whenever
the
idle
setting
has
been disturbed.
This procedure also includes
the
necessary
steps
for
obtaining
proper carburetor
synchronization.
When
the
id
le
speed is too low, lhe
engine
may
stall.
When
the idle speed is
too high, fuel
consumption
will
be excessive,
and
the
resul ting
lack
of engine brak
ing
may make
the motorcycle difficul
t
to control.
Poor
carbure tor
synchronization
causes
unstable
idling,
sluggish
throttle
response,
and reduced
engine
power
and performance.

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   Also See for Kawasaki Z250 1981

This manual is also suitable for:

Kz350 1981

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