Motor
bicycles first registered before I January 1927. must have
a braking system which works on at least one wheel.
Motor bicycles registered on or after 1 January 1927, must
have an efficient braking system with two means of operation
or two braking systems with separate means of operation.
Various locations may be used for braking controls. Some
motor bicycles have both braking systems operated from the
handlebars and some have linked where both wheels can be
operated from either control.
The vehicle presenter must be advised
of any defects found on an ABS system.
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A.
1. Check that the machine is equipped with the appropriate
braking system or systems. (see information column)
2. Check the condition and security of the foot pedal and
handlebar brake lever and mountings.
(see information column)
3. Operate the brake pedal and lever fully several times
and look for:
a. security
b. wear at pivots
c. reserve travel
d. the position of the lever or pedal in relation to the
foot rest or handlebar
e. smoothness of operation
4. In the case of hydraulic systems, fully apply the control
twice, first slowly and then rapidly, each time to a point
where sustained pressure can be held and check for creep
and sponginess.
5. Check components for corrosion, distortion and modifications
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1.
The machine does not have the appropriate braking system
or systems fitted according to its age.
2. An insecure brake control or mounting. Attachment screws
loose or missing. A cracked control lever or mounting.
3.
a. an insecure control
b. excessive wear at control lever pivots
c. inadequate reserve travel
d. a control which is inoperative or so damaged, positioned,
bent or shortened that the brake cannot be readily applied
e. a control which cannot be applied and released smoothly
4.
a. a hydraulic system control which creeps under load
b. sponginess indicating air in the hydraulic system.
5. deliberate modification which significantly reduces the
original strength of any component. Excessive corrosion,
severe distortion, a fracture or an inadequate repair to
a component.
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