Rubber mounted handlebars
Handlebars on some machines are rubber mounted. Some movement may
be detected when firm pressure is applied to handlebars secured
in this way
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1. With the wheels supporting the weight of the machine grasp
the handlebars by the grips and by the application of firm pressure
check for movement at the grips, clamps or any weakness of the handlebars
or fork yokes.
2. With the front wheel clear of the ground, turn the steering
from lock to lock to check that:
a. there is no fouling between moving and fixed parts;
b. the handlebar grips do not come so close to a fixed part (eg
fuel tank or fairing) as to impede the operation of the controls;
c. the control cables are not pulled taut on full lock and that
they are not likely to be trapped or caught on a projection
d. any steering damper fitted is properly secured, effective and
is not likely to impede control of themotor bicycle
e. fairings or leg shields do not impede steering.
3. Examine steering lock stops (if fitted).
4. Check for any change in the engine speed with the front wheel
on the ground, the engine running and turning the steering from
lock to lock
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1.
a. handlebar clamps not tight, or any bolt loose or missing (see
information column.)
b. handlebar or fork yoke deformed. fractured, cracked or excessively
corroded
c. handgrips missing or not secure to handlebars
d. an excessively deteriorated handlebar flexible mounting
2.
a. any fouling between components which would interfere with the
free movement of the steering from lock to lock
b. insufficient clearance at either full lock position for the handlebar
grips to be properly grasped or the controls to be properly operated
c. restriction to the movement of the handlebars by cables being
pulled taut, becoming trapped or by being caught on a projection
d. a steering damper which is insecure. ineffective or in such a
condition that the steering action is impaired, (see Sub-Section
2-2 information column)
e. any fairing or leg shield insecure or so located it is likely
to impede the steering.
3, A loose, missing, maladjusted, or ineffective steering lock stop.
4.
A significant change in engine speed
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