(1) In this section "motor vehicle" means a vehicle intended or adapted for propulsion by mechanical means, including - (a) a bicycle or tricycle with an attachment for propelling it by mechanical power, and (b) a vehicle the means of propulsion of which is electrical or partly electrical and partly mechanical.
(2) Without prejudice to any other condition or warranty, in every contract for the sale of a motor vehicle (except a contract in which the buyer is a person whose business it is to deal in motor vehicles) there is an implied condition that at the time of delivery of the vehicle under the contract it is free from any defect which would render it a danger to the public, including persons travelling in the vehicle.
(3) Subsection (2) of this section shall not apply where -
(a) it is agreed between the seller and the buyer that the vehicle is not intended for use in the condition in which it is to be delivered to the buyer under the contract, and
(b) a document consisting of
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