Mercury – Joystick Assembly for Multi-Engine JPO | Control System | 8M0178012Mercury Joystick Assembly for Multi Engine JPO Control System 8M0178012 OverviewThis joystick assembly is the core control piece used in multi engine Joystick Piloting setups from mid 2016 onward. It gives the helm a smooth, steady feel, letting you make small directional changes without overcorrecting. The movement feels naturaleasy to nudge, but firm enough that you wont bump it by accident. It drops in as a direct service replacement for boats