fits model: Vmax, 200, 250. make: Yamaha. year: 2020.

( Manufacturer Part Number: 66K-45300-12-NA ), ( Part Type: Hp Unit ), ( Stroke: 2-stroke )
The Yamaha 66K-45300-12-NA is an exceptional high-performance outboard lower unit gearcase, specifically designed for power outputs of 200, 225, and 250 horsepower. This gearcase is a part of Yamaha's VMAX SHO series, featuring the highly acclaimed 3.1L and 3.3L 4-stroke HDi (High Pressure Direct Injection) engines.
The Ox66 gearcase is renowned for its robustness and durability, which are key attributes in marine environments. Its design is a fusion of advanced technologies, such as the 180-degree turning gearcase for superior maneuverability and the stepped jet pump for enhanced performance and fuel efficiency.
The lower unit features a multi-stage gear reduction system, ensuring smooth and quiet operation, even at high speeds. The gearcase is built with corrosion-resistant materials, including stainless steel and aluminum alloys, which ensures long-term protection against the harsh marine environment.
Moreover, the Ox66 gearcase is equipped with Yamaha's advanced shaft drive system, providing excellent power transmission and reducing vibrations. The gearcase also features a reversible gear shift mechanism, allowing for easy maneuvering in tight spaces.
In summary, the Yamaha 66K-45300-12-NA is a high-performance, durable, and reliable lower unit gearcase, designed for powerboat enthusiasts seeking exceptional performance and reliability in their marine engines. Its advanced features, such as the multi-stage gear reduction system, 180-degree turning gearcase, and corrosion-resistant materials, make it an excellent choice for boaters who demand the best in marine technology.
Pros of buying Yamaha 66k-45300-12-na 200 225 250 HP VMAX:1. Powerful Engine: The VMAX engine ranges from 200 to 250 HP, providing excellent speed and acceleration for water sports and cruising.
2. High-Performance Gearcase (OX66 HPDi 3.1/3.3): The high-performance gearcase ensures smooth operation, responsive handling, and improved efficiency.
3. Versatile Usage: The VMAX is suitable for various water activities, including wakeboarding, water skiing, and cruising.
4. Quality and Reliability: Yamaha is known for its high-quality construction and durability, ensuring a long-lasting investment.
Cons of buying Yamaha 66k-45300-12-na 200 225 250 HP VMAX:1. High Price: The VMAX is a premium product, and its price may be prohibitive for some buyers.
2. Maintenance Costs: High-performance engines require regular maintenance to keep them running at their best, which can add to the overall cost of ownership.
3. Lack of Customization: While the VMAX offers a wide range of power options, customization options are more limited compared to some other high-performance watercrafts.
Conclusion:If you're looking for a powerful, high-performance watercraft that delivers excellent speed and handling, the Yamaha 66k-45300-12-na 200 225 250 HP VMAX is an excellent choice. The gearcase ensures smooth operation and improved efficiency, making it suitable for various water activities. However, the high price and maintenance costs should be considered before making a purchase. If you can afford the investment, the VMAX offers a fantastic experience on the water.
Recommendation:If you're interested in the Yamaha 66k-45300-12-na 200 225 250 HP VMAX, I recommend researching local dealers and comparing prices to ensure you're getting the best deal. Also, consider your usage needs and budget to determine the best power option for you. Lastly, be prepared for the ongoing maintenance costs associated with high-performance engines to ensure a long-lasting, enjoyable experience on the water.
I would also recommend installing a new impeller. This unit smoothly shifts into forward, neutral, and reverse as it should. This unit was also pressure and vacuum tested showed no leakage in either direction. Please verify before purchasing.
Model Number VX225TLRC, Engine Serial 66K L 1001559. This lower unit was removed from a 2004 Yamaha 3.1L 225 HP, 6 cylinder, 2 stroke, fuel injected, 20 inch outboard. These parts may fit other years and model's. The gear lube was drained out to check for water or metal shavings.
The gear lube looked good, but it will need new and drain plug gaskets before putting back into service.