MOT Inspection Manual Menu
Front & Rear position lampsSteering ControlBrake ControlsBrake SystemsSecuritySteering SystemHeadlightsBrake PerformanceWheel AlignmentSuspension & Wheel BearingsHorn (Audible Warning)Front Suspension & Wheel BearingsStop LampsRear Suspension & Wheel bearingsRear ReflectorsWheel Alignment (Solo machine)Direction IndicatorsWheelsHeadlamp AimTyresBasics
6.1 Horn (Audible Warning)
|Information||Method of Inspection||Reason for rejection|
motor bicycles without a battery or
an insufficiently charged battery which are 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
A motor bicycle may be fitted with a
bell. gong or siren [but not a two tone horn) only as an anti-theft device.
Check that the motor bicycle is fitted with a horn or an instrument
capable of giving an audible warning.
2. Check the accessibility and operation of the horn control.
3. Operate the horn and listen to the character of the sound emitted.
A horn control missing
2. A horn control
a. faulty or not readily accessible
b. not functioning
a. a horn which operates but is 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:
(i) not continuous or uniform
(ii) strident i.e. harsh or grating.
|Issue Date: July 2001|
Reproduced from the MOT Inspection Manual by kind permission of THE VEHICLE INSPECTORATE.