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An enduro motorcycle is an off-road racing motorcycle used in enduros, which are long-distance cross-country time trial competitions. ==Types and features of enduro motorcycles== Enduro motorcycles closely resemble motocross, or "MX" bikes (upon which they are often based).〔Christner, Brian, ''Rise of the Endurocross, half Motocross half Enduro'', Motorcycle News, 2WheelTuesday.com, 20 August 2011〕 They may have special features such as oversized gas tanks, engines tuned for reliability and longevity, sump protectors, and more durable (and heavier) components. Enduro bikes combine the long-travel suspension of an off-road motocross bike with engines that are reliable and durable over long distances, and may be fitted with oversize gas tanks for adequate range. Some enduro bikes have street-legal features such as headlights and quiet mufflers to enable them to use public roadways. The engine of an enduro bike is usually a single cylinder 2-stroke between 125 cc and 360 cc, or 4-stroke between 195 and 650 cc. A large and powerful engine is not always an advantage, and riders may prefer smaller bikes that are lighter and more maneuverable. In the UK, where enduros are often held in wet, boggy areas such as the Welsh hills, 250 cc may be sufficient. In drier climates, where the dirt surface is firmer (albeit dusty), good riders can benefit from having a heavier bike with more power. There may exist several design differences between enduro motorcycles and moto/supercross bikes, according to the rules of the particular competition. For an enduro event such as endurocross (Enduro-X), these may include:〔(Make Your MX Bike Endurocross-Ready In Just 10 Steps! )〕 *Headlight for on-road and after-dark use *Brake light/tail light for on-road use *Protective hardware such as brake and clutch handguards for protection against branches and leaves i.e. "bark busters" *Exhaust system that is street legal and meets regulations for noise and spark arresting *Wide-ratio gear box *Narrower handlebars so that the bike can fit between branches and trees easily *Roll chart holder/Enduro computer *Heavy flywheel〔(ThumperFaq: Flywheel Weights )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Enduro motorcycle」の詳細全文を読む スポンサード リンク
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