Abstract: A motorcycle having at least one seat and at least two wheels, an internal combustion engine, a generator, and a rechargeable battery configured to be recharged by the internal combustion engine or generator, an electric motor electrically connected to the rechargeable battery and configured to drive at least one of a plurality of wheels of the vehicle, and an electronic controller configured to start the internal combustion engine based upon a monitored condition of the rechargeable battery.

Abstract: A ridden vehicle comprising a seat configured to be ridden and an internal combustion engine a frame configured for supporting the seat and the engine during operation of the ridden vehicle, the frame comprising a front frame portion having a steering head, a rear frame portion configured to support at least the seat and the engine, and a lower frame portion connecting the front frame portion and the rear frame portion to support a leg portion of a rider a fuel tank integrated with the front frame portion below the steering head and configured to store fuel for operation of the engine and a filler tube communicating with the fuel tank disposed in the ridden vehicle to provide an entrance to the fuel tank in front of the steering head.

Abstract: A ridden motorized vehicle such as a motorized scooter, motorcycle, ATV, tricycle, snowmobile, or lawn tractor, having a driven rear wheel may be equipped with an enclosed chain or belt drive enclosure having a first end and a second end and an inner enclosure and an outer enclosure, such that the inner enclosure has the rear suspension member and the rear wheel mounted at the second end, and concentrically pivots at the first end on the motor assembly output shaft of a motor assembly fastened to or comprising part of the main vehicle frame, and the outer enclosure pivoted on another bearing co-linear with the motor assembly output shaft, but mounted on a removable section of, or attachment to, said frame.