Mercury - JPI Single Thruster Kit SF2 Control System 98-8M0171473. OverviewThis kit gives a single-engine inboard setup everything it needs to run a Side Power SF2 thruster through Mercury's Joystick Piloting for Inboards system. It brings the key JPI components together so the joystick, thruster, and inboard controls all speak the same language. Once installed, slow-speed maneuvering feels far more controlled, especially when you're squeezing into a slip or dealing with wind and current.. Key F