A steering mechanism. B lever to actuate the wheel brakes. G lubricator with multiple charges. I leverage the speed and motion interactions donkey. m driving crank. O driven pulley and involvement. P belt tensioner. Q Right pedal, brake of the mechanism. R gas reservoir. S handles the carburation and ignition advance. Z left pedal only for the elimination. V Wasserresservoir. W housing of the gear train for speed change.