A powering system for a watercraft comprising: a propeller; an electric motor ; a gearbox coupled to the electric motor ; an input shaft , an intermediate shaft , and a propeller shaft ; the input shaft having a first end coupled to the gearbox and a second end rotatably coupled to the intermediate shaft , wherein the input shaft extends from the first end to the second end in a first direction ; the intermediate shaft having a first end rotatably coupled to the input shaft and a second end rotatably coupled to the propeller shaft , wherein the intermediate shaft comprises an upper portion and a lower portion , and wherein the upper portion extends in a second direction ; the propeller shaft having a first end rotatably coupled to the intermediate shaft and a second end coupled to the propeller, wherein the propeller shaft extends from the first end to the second end in a third direction ; wherein the first direction is perpendicular to the second direction and substantially parallel to the third direction ; and an upper supporting structure supporting the electric motor and the gearbox , wherein the upper supporting structure is configured to be tiltable coupled to a watercraft; and a lower supporting structure supporting the propeller and the propeller shaft , the powering system being characterized in that : the lower portion of the intermediate shaft is rotatably coupled to the upper portion of the intermediate shaft and in that the lower supporting structure is rotatably coupled to the upper supporting structure to rotate about the second direction . a propeller; an electric motor ; a gearbox coupled to the electric motor ; an input shaft , an intermediate shaft , and a propeller shaft ; the input shaft having a first end coupled to the gearbox and a second end rotatably coupled to the intermediate shaft , wherein the input shaft extends from the first end to the second end in a first direction ; the intermediate shaft having a first end rotatably coupled to the input shaft and a second end rotatably coupled to the propeller shaft , wherein the intermediate shaft comprises an upper portion and a lower portion , and wherein the upper portion extends in a second direction ; the propeller shaft having a first end rotatably coupled to the intermediate shaft and a second end coupled to the propeller, wherein the propeller shaft extends from the first end to the second end in a third direction ; wherein the first direction is perpendicular to the second direction and substantially parallel to the third direction ; and the input shaft having a first end coupled to the gearbox and a second end rotatably coupled to the intermediate shaft , wherein the input shaft extends from the first end to the second end in a first direction ; the intermediate shaft having a first end rotatably coupled to the input shaft and a second end rotatably coupled to the propeller shaft , wherein the intermediate shaft comprises an upper portion and a lower portion , and wherein the upper portion extends in a second direction ; the propeller shaft having a first end rotatably coupled to the intermediate shaft and a second end coupled to the propeller, wherein the propeller shaft extends from the first end to the second end in a third direction ; wherein the first direction is perpendicular to the second direction and substantially parallel to the third direction ; and an upper supporting structure supporting the electric motor and the gearbox , wherein the upper supporting structure is configured to be tiltable coupled to a watercraft; and a lower supporting structure supporting the propeller and the propeller shaft , the powering system being characterized in that : the lower portion of the intermediate shaft is rotatably coupled to the upper portion of the intermediate shaft and in that the lower supporting structure is rotatably coupled to the upper supporting structure to rotate about the second direction . <EOS>