A Lower Unit is the crucial part of an outboard engine that connects the powerhead to the propeller, enabling forward and reverse motion. It's essentially the gearbox of your boat engine, responsible for converting power into propulsion.
🔧 Types of Lower Units
- Mercury Lower Units: Known for their durability and performance, including the Torque Master and Verado series.
- Yamaha Lower Units: Renowned for smooth operation and reliability, such as the SHO and VMAX models.
- Evinrude Lower Units: Robust and designed for heavy-duty applications.
1️⃣ Common Lower Unit Problems and Solutions
- Water in Gear Oil: Usually caused by damaged seals. Regular inspection and replacement can prevent this issue.
- Grinding Noise: Indicative of worn-out gears or bearings. Consult a marine mechanic for a detailed inspection.
- Overheating: Often due to a clogged water pump or damaged impeller.
2️⃣ Maintenance Tips for Lower Units
- Change the gear oil every 100 hours or at least once a season.
- Inspect seals and O-rings regularly for wear and tear.
- Grease the propeller shaft to prevent corrosion.
3️⃣ Looking to Buy a Lower Unit?
We offer a wide selection of New and Remanufactured Lower Units for Mercury, Yamaha, and Evinrude outboards. Whether you need a Torque Master, Verado, or SHO Lower Unit, we've got you covered. Contact us at (+706) 473-1952 or email us at bryan@hinklemarine.com.
