For motorcycles that are compliant with ADR 57/00, the distance between the extreme ends of the handlebar must not be less than 500mm and not more than 1100mm.When measuring handlebar height, the upper surface of the original steering yoke, not including any spacers, is considered the handlebar attachment point. The lowest part of the hand grip on the handlebars must not be higher than 380mm above the attachment point of the handlebars to the motorcycles.This measurement does not include mirrors and lights. For motorcycles not complying with ADR57/00, the distance between the extreme ends of the handlebar must not be less than 500mm and not more than 900mm.Motorcycles manufactured before this date can apply the ADR 57/00 standards if all sections of ADR 57/00 are met. Find an approved person in your area.ĪDR 57/00 was introduced for motorcycles manufactured from 1 July 1988.
Engaging the services of an Approved Person Engineer with the LO1 code before starting the modifications is strongly recommended. The fitting of any other alternative replacement engine, superchargers or turbochargers will require an engineer’s report to be submitted for approval by the Department of Transport and Main Roads. Engine replacements and modificationsĪ replacement engine is acceptable if it is a manufacturer’s option for that model, and the replacement engine does not reduce the effectiveness of the brakes and suspension. You must engage the services of an Approved Person Engineer with the LO1 code before starting the modifications. Motorcycles with properly designed custom frames, extended forks, hard tail or mono-shock conversions and structural modifications require an engineer’s report to be submitted for approval by the Department of Transport and Main Roads. This may increase the probability of failure and may be a danger to the rider and other road users. Modifications to a motorcycle frame or suspension may load vital components well beyond the limits for which they were originally designed.
You can engage the services of an Approved Person Engineer to provide professional advice. If you do not know the standards and ADRs that apply for your motorcycle, you should consider seeking professional help to design the modifications. (The date of manufacture is usually located on the identification plate affixed to the motorcycle.) The standards for motorcycles, mopeds and motor trikes can vary depending on the Australian Design Rule (ADR) category and the date of manufacture of your bike. Reference to motorcycles on this page may include mopeds and motor trikes.
This is a guide to keeping your motorcycle in a safe and legal condition. These standards cover the design, construction and legal modifications. The motorcycle standards are set to ensure your bike is safe to ride.