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1.1 Front & Rear position lamps

Information Method of Inspection Reason for rejection
This 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 machine presenter should be issued with an advisory notice recording the above and it should also be recorded on the carbon copy of the VT20.
1. With the front and rear position lamps switched on, check the lamps for (See information column).

a. presence
b. condition
c. security.
d. fitment and visibility

1. An obligatory lamp (see information column)
a. missing

b. so damaged or deteriorated that its function is impaired

c. an insecure lamp

d. is obscured or does not face the front or rear as appropriate
Front position lamps and headlamps
A motor bicycle (with or without a side car) fitted with a headlamp need not have a front position lamp (but must have one on the side car, if a side car is fitted). 2. Check the front and rear position lamps show light of the correct colour 2.
a. a front position lamp shows a light other than WHITE to the front, or yellow if incorporated in a yellow headlamp)

b. a rear position lamp shows a light other than RED to the rear
Front position lamps incorporated in yellow headlamps
The light from a front position lamp may be yellow only if incorporated in a headlamp capable of emitting only a yellow light. A motor bicycle combination may be fitted with a yellow headlamp on the motor bicycle and a white front position lamp on the side car. 3. Check that each lamp:

a. illuminates immediately it is switched on,

b. that the illumination of each lamp is not affected by the operation of any other lamp or the horn, and

c. does not flicker when tapped.

3. A lamp which
a. does not illuminate immediately it is switched on,

b. is adversely affected by the operation of another lamp or the horn.

c. flickers when tapped lightty by hand.
At least 50% of each lamp must be visible from the front or rear as appropriate.    
On machines without a battery or with an insufficiently charged battery, it will
be necessary to run the engine.
Fog lamps and amber lamps
The inspection (I.I) does NOT include rear fog lamps or amber lamps located within the
4. Check the switch for condition and security. Check the front and rear position lamps are operated by a single switch.

4. A switch which
a. is faulty
b. is insecure, or
c. does not operate the front and rear position lamps.

Issue Date July 2001
Reproduced from the MOT Inspection Manual by kind permission of THE VEHICLE INSPECTORATE.

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