fits make: Yamaha. year: 2025.

( Manufacturer Part Number: 6J9-45301-05-8D ), ( Part Type: Shaft Counter Unit )
Experience unparalleled performance and precision with the Yamaha 6J9-45301-05-8D 150-200hp HPDI Outboard 25 Shaft Counter Rotation Lower Unit. This exceptional marine propulsion system is designed to deliver power, efficiency, and reliability for your watercraft.
The 6J9-45301-05-8D lower unit is a part of Yamaha's high-performance HPDI (High Pressure Direct Injection) series. This technology injects fuel directly into the combustion chamber at high pressure, resulting in increased power, improved fuel efficiency, and reduced emissions. The 150-200hp range ensures that this outboard provides ample power for a variety of water activities, from leisurely cruising to high-speed water sports.
The counter rotation feature of this lower unit offers unique advantages, especially for fishing and maneuvering in tight spaces. By reversing the rotation of the propeller, it reduces torque and improves boat stability, making it easier to control and turn. This feature also helps to prevent line twists and tangles when trolling, a significant advantage for anglers.
The 25-inch shaft length is suitable for a wide range of boat types, from mid-sized boats to larger vessels. The lower unit is built with Yamaha's renowned durability, featuring a corrosion-resistant alloy and a robust design that can withstand the harsh marine environment.
In addition to its performance capabilities, the 6J9-45301-05-8D lower unit is also designed for easy installation and maintenance. It comes with a trim range of 55 degrees up and 3.5 degrees down, allowing for optimal boat trim for various conditions. The lower unit is also compatible with Yamaha's Digital Electronic Controls (DEC) for smooth, precise throttle and shift operation.
In conclusion, the Yamaha 6J9-45301-05-8D 150-200hp HPDI Outboard 25 Shaft Counter Rotation Lower Unit is a high-performance, versatile, and durable propulsion system that offers excellent value for boat owners. Whether you're a serious angler, a watersports enthusiast, or a boat owner looking for a reliable and efficient outboard, this lower unit is an excellent choice.
1. High Power: With a power range of 150-200hp, this outboard motor offers ample power for a wide variety of watercraft, including larger boats and commercial vessels.
2. HPDI Technology: The High Pressure Direct Injection (HPDI) system provides better fuel efficiency, lower emissions, and improved performance.
3. Counter Rotation: The counter rotation feature is beneficial for boats with multiple outboards or when operating in tight turns, helping to reduce torque and improve boat handling.
4. 25 Shaft Length: This length is suitable for a variety of boats, offering a good balance between maneuverability and thrust.
5. Lower Unit: The lower unit is a crucial part of the outboard motor, and Yamaha is known for its durability and reliability in this area.
Cons:1. Price: As a high-performance outboard motor, it comes at a higher price point compared to lower-powered options.
2. Weight: With increased power comes increased weight, which may affect the boat's performance and fuel efficiency.
3. Maintenance: Like any high-performance engine, the Yamaha 6J9-45301-05-8D requires regular maintenance to ensure optimal performance and longevity.
4. Compatibility: Ensure this specific model is compatible with your boat before making a purchase, as not all outboard motors are universal.
Conclusion:The Yamaha 6J9-45301-05-8D 150-200hp HPDI Outboard with 25 Shaft, Counter Rotation, Lower Unit offers significant power, advanced technology, and reliability. However, its high price point and increased weight are factors to consider. If you require a high-powered outboard motor for a larger boat and have the budget to accommodate it, this motor could be a worthwhile investment. For smaller boats or those on a tighter budget, lower-powered options may be more suitable. Always ensure compatibility with your boat before making a purchase.
This lower unit came off a 2002 Yamaha 150 hp Hpdi freshwater only motor. Just because the part looks right does not mean that it is. This is a counter rotation lower that came off duel motor setup. This lower units oil was in perfect condition when drained.
I will fit many different years and sizes of Yamaha outboards. It was pressure tested and held 12 psi for 20 minutes everything shifts smooth. Comes with whats pictured.