A '''motorcycle''', or motorbike, is a [[single-track]], two-wheeled motor vehicle powered by an [[engine]].
A '''motorcycle''', or motorbike, is a [[single-track]], two-wheeled motor vehicle powered by an [[engine]].
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In many poorer nations, Motorcycles are the main form of transportation, as they are cheaper to purchase and run than larger vehicles.
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In many poorer nations, Motorcycles are the main form of transportation, as they are cheaper to purchase and run than larger vehicles.
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==Fuel efficiency==
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Many standard 4-stroke motorcycles get 55 miles or better to the gallon. Two-stroke engines, which are more powerful for their size but require more maintenance, can achieve 100+ miles per gallon on a 100lb vehicle like a moped, or up to 170 miles per gallon on a motorized bicycle.