Mercury - Gen II Throttle and Shift 24 Ft Mechanical Control Cable 8M0085123. The Mercury Gen II throttle and shift cable is designed for Mercury mechanical control systems with long routing requirements. It is commonly installed on wide center consoles or boats with deep helm layouts where shorter cables feel stretched or restricted. The 24-foot length allows the cable to lay cleanly through the rigging path without sharp bends or tension points, helping restore smooth, dependable control at th