For single outboard motors up to 150HP, the 512BH is an ideal choice for leisure boats - offering the advantage of full hydraulic control of your boat at an economical price. Installation is simple, performance is great and handling is direct with only 3 turns HO/HO. The 512BH cylinder comes in kit form with all necessary fittings including high pressure nylon hydraulic tubing, 2 litres of Ultra-15 fluid, model 501 helm unit and detailed instructions.