Mercury - Platinum Plus Throttle and Shift Cable 21 Foot Mechanical Engine Control 8M0082544. The Mercury Platinum Plus Throttle and Shift Cable (Gen II) is built for mechanical control systems where smooth, consistent control is essential. Designed for Mercury Gen II mechanical control applications, it delivers a direct mechanical connection with lighter, more refined movement than standard control cables. The 21-foot (6.4 meter) length is well suited for longer routing runs where clean cable p