Yamaha Outboard Lower Unit | SE405 | 115-130HP 2 & 4-Stroke

Experience smooth shifting and dependable reliability with this Premium Aftermarket Replacement lower unit. Built entirely from 100% brand-new components, this assembly eliminates the need for core returns while meeting or exceeding OEM standards. Designed for the high-torque demands of Yamaha mid-range engines, it features precision-aligned gears and a durable black finish ready for your next outing.

Standard Rotation: Optimized for right-hand applications with smooth power delivery.

Versatile Fitment: Engineered as a direct replacement for both classic 2-stroke and modern 4-stroke F115 models.

Corrosion Protection: Finished in high-grade black paint, which can be easily overcoated to match your factory Yamaha color.