VMM Software

The Motorcycle and Side Car Testers Manual

1.7 Horn (Audible Warning)

Information
Method of Inspection
Reason for rejection
On 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
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

3.
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.
Issue Date: 10th January 2005