Patent ID: 7178621

Claim:
A motorcycle comprising: a frame, in which at least an engine is mounted; a front fork pivoted to the frame, in which at least a front wheel is mounted; a rear fork pivoted to the frame, in which at least a rear wheel to be driven by the engine is mounted; as well as a spring system connected to the rear fork and to the frame, which comprises at least one shock absorber which is horizontally oriented in the motorcycle and which is positioned under the engine, said shock absorber being connected to the frame on the one hand and to the rear fork on the other hand, characterized in that the spring system is arranged for exerting forces on the frame in a forward direction substantially parallel to the direction of movement of the motorcycle, wherein the spring system comprises a lever, which lever is connected to the rear fork at a first pivoting point and to the shock absorber at a second pivoting point; an auxiliary arm that is pivoted to the frame with a first end, which auxiliary arm is connected to a third pivoting point of the lever with the other end; wherein the first pivoting point is located between the second and the third pivoting point.