Patent ID: 8413758

Claim:
A vehicle comprising: a vehicle body frame; a power generating engine mounted on the vehicle body frame for generating power; and a power transmission apparatus for transmitting output generated by the power generating engine to a vehicle wheel; wherein the vehicle body frame includes: a pair of right and left main frames passing below the power generating engine in a longitudinal direction of the vehicle, each main frame having a rear portion that curves upwardly; right and left front-wheel suspension support portions, each configured from a frame or a pipe that extends upwardly from a front portion of the respective main frame and each front-wheel suspension support portion supporting a front-wheel suspension apparatus; a first cross portion passing in a transverse direction of the vehicle from the left front-wheel suspension portion to the right front-wheel suspension portion; a second cross portion passing in the transverse direction of the vehicle from a curved portion of a rear portion of the left main frame to a curved portion of the rear portion of the right main frame; and an upper tension pipe disposed on a vehicle body center line and passing above the power generating engine in the longitudinal direction of the vehicle, said upper tension pipe having a front end thereof mounted detachably on the first cross portion and a rear end thereof mounted detachably on the second cross portion.