Yamaha F300 F250 F225 Lower Unit Assembly (6KA-45300-00-8D)
Category: Lower Units
Compatibility: Yamaha F300 / F250 / F225 Outboard Motors
Part Number: 6KA-45300-00-8D
Overview
The Yamaha F300 F250 F225 Lower Unit Assembly (6KA-45300-00-8D) is a genuine OEM replacement designed to restore and enhance the performance of your Yamaha 4-stroke outboard motor. Built for durability, precision, and long-lasting reliability, this lower unit ensures smooth operation and optimal power transfer — whether you’re cruising, fishing, or operating commercially.
Key Features
1. Premium Marine-Grade Construction
Crafted from high-strength, corrosion-resistant materials, this Yamaha lower unit is engineered to withstand harsh marine environments — from saltwater exposure to high-torque conditions. Expect years of reliable use and top-tier performance.
2. Optimized Gear Ratio
The precisely engineered gear ratio provides efficient power transfer from the engine to the propeller, improving acceleration, top speed, and overall thrust efficiency.
3. Smooth and Quiet Operation
Advanced engineering minimizes vibration and mechanical noise, giving you a smoother, quieter ride with reduced wear on internal components.
4. OEM Fit and Easy Installation
This lower unit is specifically designed for Yamaha F300, F250, and F225 models, guaranteeing a direct OEM fit. With its plug-and-play setup, installation is simple for professionals and experienced DIY boaters alike.
5. Reliable Propeller Engagement
Ensures responsive handling and precise throttle control — critical for performance boating, fishing, or towing applications.
Benefits
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Improved Fuel Efficiency: Engineered for reduced drag and efficient gear engagement to save fuel and maximize range.
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Enhanced Performance: Delivers powerful, smooth propulsion for consistent performance under load.
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Long-Term Reliability: Genuine Yamaha design and materials guarantee durability and factory-quality performance.
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Low Maintenance: Built for easy serviceability and minimal upkeep over time.
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Peace of Mind: Genuine OEM part backed by Yamaha’s reputation for precision and reliability.
Specifications
| Specification | Details |
|---|---|
| Model Compatibility | Yamaha F300 / F250 / F225 4-Stroke Outboards |
| Part Number | 6KA-45300-00-8D |
| Gear Ratio | Factory-Optimized for Performance |
| Construction | Corrosion-Resistant Marine Alloy |
| Operation | Smooth, Low-Vibration Design |
| Installation | Direct OEM Fit |
Why Choose Genuine Yamaha Lower Units?
Genuine Yamaha parts like the 6KA-45300-00-8D Lower Unit are built to the same exacting standards as your original engine. Unlike aftermarket alternatives, genuine units guarantee the perfect fit, long-term reliability, and consistent performance Yamaha is known for.
Conclusion
The Yamaha F300 F250 F225 Lower Unit Assembly (6KA-45300-00-8D) is the ultimate choice for restoring your outboard’s power, efficiency, and dependability. Designed with precision and backed by Yamaha’s engineering excellence, it ensures peak performance every time you hit the water.
Upgrade today and enjoy smoother rides, improved responsiveness, and worry-free boating with Yamaha’s trusted quality.
✅ Genuine Yamaha OEM Lower Unit
✅ Built for F300 / F250 / F225 4-Stroke Models
✅ Corrosion-Resistant, High-Performance Design
✅ Direct Fit, Factory Reliability
