US Patent 11345438 Vehicle with a power unit

A vehicle with a power unit includes: a body frame with said power unit mounted to said body frame; at least one front wheel supported by the body frame in a front portion, and at least one rear wheel supported by the body frame in a rear portion; an electric machine capable of assisting said power unit; and an auxiliary power source electrically connected to said electric machine. The vehicle further includes a first set of foot pegs for a rider and a second set of foot pegs for a pillion. A quadrilateral region is defined between said first set of foot pegs and said second set of foot pegs, and said electric machine and said auxiliary power source are disposed substantially within said quadrilateral region when viewed from vehicle top.