A lever on and off, both for the differential brake lever. B lever for geschwindigkeitseinrückung. C Carburator. C 'pull rod for adjusting the carburation. D of the steering linkage. I swim for water circulation. Q muffler. g H apron brakes and the gear rim. I spiral spring, the reclosing of the belt after the elimination by the pedal effecting automatically. J belt fork. K differential brake, L `L 'bevel gears of the universal joint. M feet off the pedal. m tie rod, which communicates with the right pedals in connection and tightened by means of which by this from the cross-Barre ff and thereby which is actuated to the rear wheels acting brake. O engine. P position of the belt on the drive disc in the off position. P 'in the activation position. Q blank disc. Q 'full disc.