TWISTGRIP CONTRO
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types of twistgrip are employed, one hav~ng the normal quick action and the
(which
is
fitted to the TR5 only), a progressive action which gives the com-
rider more throttle control at low speeds. In each case the damping of
[he rotor is controlled by a knurled adjuster nut fitted in the twistgrip.
To
increase
[he damping, screw in the adjuster until the friction is sufficient to hold the rotor
in any position.
Remember that the twistgrip will close immediately the
hand
is
removed to give a road signal if the damping device is not sufficiently adjusted.
Maintenance
of the twistgrip calls only for light grease lubrication when assembled.
DISMANTLING (ST, 6T, TIW
&
T110)
Cable Thimble.
Unscrew the thimble from the twistgrip head. This
Is
usually
made easier by pulling on the cable adjacent to the twistgrip.
When unscrewed,
the cable simply pulls out of the twistgrip.
Rotor Sleeve.
Pull back the twistgrip rubber using a pair of thin, round nosed
pliers.
Remove the circlip from the head when the rotor
sleeve assembly can be
withdrawn.
Head. Slacken the grub screw
is-h~ch secures the head to the handlebar and
withdraw the head.
ASSEMBLY
Rotor Sleeve to Head. These can be replaced before assembling to the handlebar.
Lightly grease rotor end ring and
fit
the rotor sleeve into the head with the nipple
housing adjacent to the cable hole.
Slide the retaining plate into position and assemble the circlip to the head.
Roll
back the rubber grip. If a new rubber
is
to be fitted,
first
wet the inside with petrol
and then push
it
smartly over the sleeve. This job
is
done better after the twistgrip
has been fitted to the handlebar.
Twistgrip
to
Handlebar. Grease the swaged portion of the handlebar and slide
on the twistgrip; lock in the desired position with the grub screw.
Throttle Cable. Holding the outer casing, pull the inner wire, gripping
it
close
to
the cable ferrule with a pair of soft nosed pliers.
With the other hand rotate the
twistgrip sleeve to the closed position, thread the nipple end of the wire into the
head and slowly rotate the sleeve when the nipple housing
will locate the nipple.
When located, replace the thimble cable over the wire and screw into the head.
DISMANTLING (TR5)
Head Clamp Screws. Remove the two screws when the two halves of the head
can be taken away.
Rotor Sleeve. Disconnect the cable nipple and withdraw the sleeve from the
handlebar.
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