Recent Developments
Since 2000, more and more MX racing bikes have been used as platforms for building enduro bikes. This was partially driven by the conversion of MX from 2-stroke to 4-stroke engine designs to comply with regulatory trends, as well as the development of hybrid competition races such as Enduro-X. Enduro bikes, trail bikes and dual-sport bikes traditionally had a much higher proportion of 4-stroke models. Though powerful, MX-based off-road motorcycles sometimes have problems running longer enduro courses, where an over-emphasis on light weight and power caused engine reliability problems when racing over long distances.
Read more about this topic: Enduro Motorcycle
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