Yamaha Counter-Rotation Lower Unit | SE418 | 150-200HP 2 & 4-Stroke

Perfect your twin-engine setup with this Premium Aftermarket Replacement counter-rotation lower unit. Engineered specifically for the port side of dual-engine rigs, this left-hand rotation gearcase ensures balanced torque and superior steering control. Built to handle the high demands of offshore environments, this unit arrives fully assembled and ready for immediate deployment in both saltwater and freshwater.

Twin-Engine Optimization: Provides the essential counter-thrust needed for balanced hull performance.

Heavy-Duty Internals: Features precision-machined gears and premium bearings for maximum longevity.

Ready to Run: Unlike most units, this model comes pre-filled with premium gear lube for a true “plug-and-play” experience.