fits make: Yamaha. year: 2025.

( Manufacturer Part Number: 64D-45300-24-8D ), ( Part Type: Hp Unit ), ( Warranty: 30 Day )
The Yamaha 64D-45300-24-8D Lower Unit Gearcase is an exceptional piece of marine engineering, designed for high-performance outboard motors. This 25 XL unit is specifically engineered for engines with a power output of 150 to 200 HP, making it an ideal choice for serious anglers and water sports enthusiasts.
The lower unit gearcase is constructed using Yamaha's advanced Ox66 aluminum alloy, ensuring exceptional strength, durability, and resistance to corrosion. This material not only enhances the unit's longevity but also helps in maintaining optimal weight, making your boat more maneuverable and efficient on the water.
The 64D-45300-24-8D boasts a 1.85:1 gear ratio, which offers an excellent balance between acceleration and top speed. This ratio ensures that your boat can quickly get up to speed when you need it, while also maintaining a comfortable cruising speed when trolling or cruising.
The lower unit features Yamaha's proprietary High-Performance Direct Injection (HDI) technology. HDI delivers precise and efficient fuel injection directly into the combustion chamber, resulting in reduced emissions, improved fuel economy, and increased power output.
The 64D-45300-24-8D also includes Yamaha's state-of-the-art Multi-Point Sequential Electronic Fuel Injection (SEFI) system. This advanced technology ensures precise fuel delivery to each cylinder, improving engine performance, reducing emissions, and increasing fuel efficiency.
The lower unit is also equipped with a large, 2.9-liter oil capacity, ensuring long periods between oil changes. The oil pump is designed to deliver oil to critical components at the correct pressure, ensuring optimal performance and longevity.
The 64D-45300-24-8D Lower Unit Gearcase is also compatible with Yamaha's advanced Digital Electronic Control (DEC) system. DEC provides precise control over your engine's throttle, shift, and trim functions, ensuring smooth and efficient operation.
In conclusion, the Yamaha 64D-45300-24-8D Lower Unit Gearcase is an exceptional piece of marine engineering, designed for high-performance outboard motors. Its advanced construction, high gear ratio, and advanced fuel injection technology make it an ideal choice for serious anglers and water sports enthusiasts who demand the best from their boats.
Pros of buying Yamaha 64D-45300-24-8D 150-200 HP Lower Unit Gearcase 25 XL:1. High Power: With a power range of 150-200 HP, this lower unit gearcase is suitable for high-performance watercraft and boats.
2. Durable Material: The lower unit is made of high-quality materials, including oxidation-resistant alloys, which ensure long-lasting performance and resistance to corrosion.
3. Hydraulic Steering: The gearcase features hydraulic steering, providing smooth and precise control of the watercraft, even in rough waters.
4. Versatile: The lower unit is compatible with various Yamaha outboard engines, making it a versatile option for boat owners.
Cons of buying Yamaha 64D-45300-24-8D 150-200 HP Lower Unit Gearcase 25 XL:1. Price: The lower unit is on the higher end of the price range for watercraft lower units, which may be a deterrent for some buyers.
2. Limited Availability: Due to its high performance and specific compatibility with certain Yamaha engines, the lower unit may have limited availability in certain regions or dealerships.
3. Maintenance: As with any high-performance equipment, the lower unit requires regular maintenance to ensure optimal performance and longevity.
Conclusion:The Yamaha 64D-45300-24-8D 150-200 HP Lower Unit Gearcase 25 XL is a top-of-the-line option for boat owners seeking high-performance and durability. Its hydraulic steering, oxidation-resistant alloys, and compatibility with various Yamaha outboard engines make it a versatile choice. However, its high price and limited availability may be drawbacks for some buyers. Ultimately, the decision to purchase this lower unit should be based on your specific needs, budget, and availability of the product in your area.
Recommendation:If you are in the market for a high-performance lower unit and have the budget for it, the Yamaha 64D-45300-24-8D 150-200 HP Lower Unit Gearcase 25 XL is a solid choice. Its durability, power, and precision make it an excellent investment for boat owners seeking to enhance their watercraft's performance. Just be sure to research availability in your area and consider the costs of maintenance and potential replacement parts.
Clean unit, keg intact See pictures, part number and for fitment info. Tested working - Shifts and spins properly, fluid looked OK. Good condition SEI unit for 150-200 2 stroke Yamaha. SEI is well known for their remanufactured of lower units.