| 摘要 |
A light weight, low center of gravity motorcycle having a frame assembly comprised of a main frame member that extends rearwardly and downwardly to a rear wheel support and upwardly extending portion that defines a recess adapted to support the fuel tank. The recess has sufficient volume so as to provide a large volume of the fuel tank in this area to minimize the changes in center of gravity as fuel is consumed from the tank. A seat rail assembly is affixed to this upwardly extending portion for supporting a seat and contains an integral lubricant tank that forms a structural element of the seat rail assembly.
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