1.7 Horn (Audible Warning)

Information Method of Inspection Reason for rejection
On a motor bicycle without a battery or an insufficiently charged battery which is fitted with an electrically operated horn, it will be necessary to run the engine.

An audible warning device is usually an electrical horn. A horn is defined as an instrument, not being a bell, gong or siren, capable of giving audible and sufficient warning of the approach or position of a vehicle.

A motor bicycle first used before 1 August 1973 may be fitted with a bulb horn.
1. Check that the motor bicycle is fitted with a horn.

2. Check the accessibility and operation of the horn control.

3. Operate the horn and listen to the sound emitted.
1. A horn missing.

2. A horn control
a. defective or not readily accessible

b. not functioning.

a. A horn not working or not loud enough to be heard by another road user

b. a motor bicycle fitted with a gong, bell, siren or horn which emits two or more alternating tones

c. in the case of a motor bicycle first used on or after 1 August 1973 a sound which is
• not a constant note
• not continuous or uniform
• harsh or grating.
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