Uflex Aluminum Inboard Cylinder - 1.25" Bore 7" Stroke [UC116-I]Aluminum Inboard Cylinder 1. 25" Bore & 7" Stroke A hydraulic steering system consists of a steering pump, a cylinder tied to the rudder or the outboard or sterndrive engine, and the connecting hoses. Under normal operating conditions, a steering wheel turn will pump the oil, which flows in through the hoses to the cylinder, according to the turn direction. With the consequent cylinder movement, the oil will flow to the pump through the hoses and, at