Mercury - Platinum Plus Throttle and Shift Cable 29 Foot Mechanical Engine Control 8M0082552. The Mercury Platinum Plus Throttle and Shift Cable (29 Foot / 8.8 m) is designed for boats equipped with Mercury Gen II mechanical control systems where extra-long routing runs still demand smooth, predictable control. This cable provides a direct mechanical connection with lighter, more refined movement than standard control cables, helping maintain precise throttle and shift response at the helm. The