วันจันทร์ที่ 25 มิถุนายน พ.ศ. 2550

Legal definitions and restrictions

See also: Restrictions on motorcycle use on freeways

A motorcycle is broadly defined by law in some countries for the purposes of registration, taxation or licensing riders as a two-wheel motor vehicle "fit to drive." Other countries distinguish between mopeds and other small bikes and the larger, more powerful vehicles. In Canada and some U.S. jurisdictions, three-wheeled motor vehicles fall under the auspices of motorcycle regulations. In the UK, the rules on which motorcycle may be ridden by whom are complex.[20] A "moped", which can be ridden at age 16, has a maximum design speed not exceeding 50 km/h (30 mph) and engine capacity no greater than 50 cc. A "learner motorcycle", which can be ridden from age 17, has an engine up to 125 cc with a power output not exceeding 11 kW. In the UK, a "large motorcycle", which can only be ridden by a person age 21 or older with two years experience on a learner motorcycle, has a power output of at least 35 kW. Otherwise, riders are restricted to riding motorcycles with a power output of not more than 25 kW for two years after passing their initial motorcycle test. For riders in the UK over age 21 there is a direct access route to gaining a licence to ride a large motorcycle. This allows somebody with no motorcycle experience to train and pass a test in around five days. Nevertheless, all motorcycle riders in the UK must first take a one-day compulsory basic training (CBT) course, regardless of which class of motorcycle they intend to ride. In New Zealand, "learner" and "restricted" motorcycles need only have a 250 cc engine capacity. This distinction draws some criticism, as it allows 15-year-old learner riders to operate bikes capable of reaching speeds in excess of 250 km/h.

The laws of some countries allow anyone with a car licence to legally ride mopeds not exceeding 50 cc in capacity, meaning that they do not need to show any competency in handling such a vehicle.

The laws and regulations for legal moped usage in the U.S. vary by state.[21] The specifics of the motorcycle and moped laws in the U.S. can be obtained from each individual state's Department of Motor Vehicles' websites.[22]

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