Motorcycle frame

A frame assembly for a motorcycle type vehicle comprising a head pipe adapted to dirigibly support a front wheel, a pair of main frame members affixed at their forward ends to said head pipe and diverging rearwardly therefrom, said main frame members extending downwardly from said head pipe to their rear ends, a pair of engine and rear wheel supporting members each affixed to a respective rear end of said main frame members, a seat rail affixed to said main frame members forwardly of the connection of said main frame members to said engine and rear wheel supporting member and extending rearwardly and upwardly from their point of attachment to said main frame members, and supporting bracket means affixed to said engine and rear wheel supporting member and extending upwardly therefrom, said seat rails being supported by said supporting bracket means intermediate the ends of said seat rails.