r. 14
(1) In regulation 104 of the Principal Regulations—
(a) the definition of experienced driver is revoked ;
(b) for the definition of high powered motor vehicle substitute —
""high powered motor vehicle" means a motor vehicle (other than a motor cycle or motor trike) which—
(a) has a power mass ratio which exceeds 125 kilowatts per tonne; or
(b) has an engine capacity which exceeds 3·5 litres per tonne of the unladen mass of the motor vehicle;".