Mercury - Platinum Plus Throttle and Shift Cable 16 Ft Mechanical Engine Control 8M0085977. The Mercury Platinum Plus Throttle and Shift Cable is designed for Mercury Gen II SAE mechanical control systems that require smooth, steady response over longer routing runs. Built with Platinum Plus construction, it delivers a refined mechanical feel with reduced internal friction, helping maintain consistent throttle and shift movement from the helm to the engine. The 16-foot (4.9 meter) length is well