inspection applies to: all machines, except those which have
neither front nor rear position lamps, or have such lamps permanently
disconnected, painted over or masked that are
. only used during daylight hours, and
. not used at times of seriously reduced visibility
If this situation occurs the vehicle presenter should be issued
with an advisory notice recording the above and it should also
be recorded on the carbon copy of the VT20.
A motor bicycle first used before 1 January 1931 does not need
A motor bicycle is only required to have a dipped-beam headlamp
(but may also have a main beam) if it:
. was first used on or after 1st May 1995 and cannot exceed
30 mph / 50 kph with an engine capacity not exceeding 50cc.
. was first used before 1 January 1972 and with an engine capacity
of less than
. any machine having a maximum speed not exceeding 50km/h/30mph
Check the headlamp emits a WHITE or YELLOW light
2. Check that the illumination of the
headlamp is not affected by the operation of any other lamp
or the horn and does not flicker when tapped (see information
3. Check the condition and security of the headlamp.
The headlamp does not emit a light which is substantially WHITE
or YELLOW in colour
a. does not have at least one headlamp which illuminates when
(i) dipped beam
(ii) main beam
b. operation of the dip switch does not
(i) extinguish all main beam
headlamps and leave on at least one dipped beam headlamp, or
(ii) deflect the main beam/s to make them dipped beam/s.
c. either beam as selected is affected by the operation of another
lamp or the horn, or which flickers when tapped lightly by hand
(See info column)
a. a headlamp missing or so damaged or deteriorated that its
function is impaired. (See info column)
b, an insecure headlamp.
twin headlamp systems only one or both headlamp may be illuminated
for either dipped or main beam. Each headlamp that can be illuminated
on dipped beam must meet the requirement for dipped beam headlamps.
Twin headlamps must be mounted either one above the other or
symmetrically without regard to any side car and not more than
200mm apart measured from the edge of the reflecting surface.
The tester should advise if both headlights should illuminate
for either function and only one does so.
On machines without a battery or wtth an insufficiently charged
battery, it will
be necessary to run the engine.
Check the condition operation and security of the switch.
A faulty or insecure switch.