Mercury-Remote Kit Mechanical Control Conversion Hardware Part Number 880095A11. Remote-control conversion kit for Mercury 15hp FourStroke tiller outboards (mechanical controls).. This remote-control conversion kit converts Mercury 15-horsepower FourStroke tiller outboards to a remote-control setup. It replaces the tiller handle and transitions throttle and shift control to a helm-mounted mechanical control box. The layout is intended to keep engine operation familiar after the conversion, makin