Mercury - Gen II Throttle and Shift Cable 10 Foot Mechanical Engine Control 8M0085107. The Mercury Gen II Throttle and Shift Cable (10 Foot / 3.0 m) is designed for boats equipped with Mercury Gen II mechanical control systems where smooth, predictable control is required at the helm. This cable provides a direct mechanical connection between the control box and engine, helping deliver consistent throttle response and reliable shift engagement without electronic involvement. The 10-foot length i