Yamaha F225-F300 4.2L V6 Counter-Rotation Lower Unit | SE430 | 25″ 30″ Shaft

Perfect your twin-engine alignment with this Premium Aftermarket Replacement counter-rotation gearcase, specifically engineered for the high-torque demands of Yamaha 4.2L V6 engines. Designed to eliminate the high cost of OEM replacements, this unit provides heavy-duty performance for offshore and high-horsepower applications.

High-Output Cooling: Features dual and side water intakes and a water-cooled bearing carrier to maintain optimal temperatures during long runs.

Saltwater Protection: Built with corrosion-resistant materials and finished in a durable, paintable black coating to match your factory engine.

Zero-Hassle Install: Arrives as a complete, factory-assembled unit, pre-filled with premium gear lube and pressure-tested for immediate use.