Mercury - Zero Effort Digital Control (Throttle/Throttle, Starboard Mount) Remote Control 8M0085477. OverviewThis Zero Effort control gives you a straightforward two-lever throttle setup, the kind of layout performance boaters like when they want clean, separate power control. Both levers have the same smooth feel, so you can ease into the throttle without the boat jumping or lagging. The red knobs make them easy to spot and grab, especially when the ride gets busy. Mounted on the starboard side