Mercury - Platinum Plus Throttle and Shift Cable 13 Ft Mechanical Engine Control 8M0085974. The Mercury Platinum Plus Throttle and Shift Cable is built for Mercury Gen II SAE mechanical control systems where smooth, consistent control matters at the helm. Featuring Platinum Plus construction, it provides a direct mechanical connection with reduced internal friction, delivering a lighter and more refined feel than standard mechanical cables. The 13-foot (4.0 meter) length supports slightly longer