Mercury – Gen I Throttle and Shift Cable 16 Foot | Mechanical Engine Control | 8M0082489Mercury Gen I Throttle and Shift Cable 16 Foot Mechanical Engine Control 8M0082489 The Mercury Gen I Throttle and Shift Cable is a mechanical control cable designed to connect the control box to the engine for direct throttle and shift input. Built for boats using traditional Mercury Gen I mechanical control systems, it delivers a straightforward, familiar helm feel without electronic involvement. The 16 foot length is ideal for wide beam boats,