Mercury - Platinum Plus Throttle and Shift Cable 17 Ft Mechanical Engine Control 8M0085978. The Mercury Platinum Plus Throttle and Shift Cable is built for Mercury Gen II SAE mechanical control systems where smooth, predictable response is required over longer routing runs. Featuring Platinum Plus construction, it delivers a direct mechanical connection with reduced internal friction, providing a refined and consistent control feel at the helm. The 17-foot (5.2 meter) length is well suited for w