fits make: Yamaha.

( Manufacturer Part Number: 69G-45300-11-4D ), ( Part Type: Unit ), ( Stroke: 4-stroke ), ( Engine Hp : T9.9 ), ( Country/region Of Manufacture: Japan )
The Yamaha 69G-45300-11-4D T9.9 Lower Unit is an essential component for any Yamaha outboard motor, specifically designed for high-performance applications. This lower unit is engineered with precision and craftsmanship to deliver optimal propulsion and maneuverability.
The T9.9 designation refers to the unit's power output, indicating that it is capable of handling larger and more powerful engines. The unit features a robust and durable construction, with a high-strength aluminum alloy housing that provides excellent protection against corrosion and wear.
The Yamaha 69G-45300-11-4D T9.9 Lower Unit is equipped with a 15-inch, four-blade stainless steel propeller. This propeller is designed to provide superior thrust, ensuring that your boat moves quickly and efficiently through the water. The propeller is also reverse-rotating, which allows for easy maneuverability in tight spaces or when reversing.
The lower unit is equipped with a hydraulic multi-disc clutch system, which ensures smooth and precise shifting between forward and reverse gears. This system also provides excellent engine protection by preventing gear engagement when the engine is not at the correct RPM.
The Yamaha 69G-45300-11-4D T9.9 Lower Unit is also equipped with a quiet and efficient oil pump system, which ensures that the lower unit is always properly lubricated. This system also features a pressure relief valve, which prevents the build-up of excessive oil pressure and helps to extend the life of the lower unit.
Overall, the Yamaha 69G-45300-11-4D T9.9 Lower Unit is a high-performance component that is designed to deliver optimal propulsion and maneuverability for your Yamaha outboard motor. With its durable construction, powerful propeller, and quiet and efficient oil pump system, this lower unit is sure to provide many years of reliable service.
Pros of buying Yamaha 69G-45300-11-4D T9.9 Lower Unit:1. High-quality materials: The Yamaha 69G-45300-11-4D lower unit is made of durable materials, including a corrosion-resistant aluminum alloy and a high-strength composite impeller. This ensures long-lasting performance and reliability.
2. Powerful and efficient: The T9.9 engine provides powerful thrust and excellent fuel efficiency. This makes it a great choice for boaters who want to save on fuel costs while still having a fast and powerful lower unit.
3. Versatile: The Yamaha 69G-45300-11-4D lower unit is compatible with a wide range of boat models and sizes, making it a versatile choice for boaters.
Cons of buying Yamaha 69G-45300-11-4D T9.9 Lower Unit:1. Higher price point: Compared to some lower-end models, the Yamaha 69G-45300-11-4D lower unit is more expensive. This may be a deterrent for some boaters who are looking for a more budget-friendly option.
2. May require professional installation: If you are not experienced with boat engine installation, you may need to hire a professional to install the Yamaha 69G-45300-11-4D lower unit. This can add to the overall cost of the purchase.
Recommendation:The Yamaha 69G-45300-11-4D T9.9 Lower Unit is a high-quality, powerful, and versatile option for boaters who want a reliable and efficient lower unit. While it may be more expensive than some other options, its durability and long-lasting performance make it a worthwhile investment for boat owners who want a lower unit that will last for many years to come. If you are not experienced with boat engine installation, it may be worth considering hiring a professional to ensure proper installation and avoid any potential issues down the line. Overall, the Yamaha 69G-45300-11-4D T9.9 Lower Unit is a great choice for boaters who want a high-performance lower unit that will last.
New oil holds pressure. Used lower unit from a 2011 Yamaha T9.9. Absolutely no issues with the lower unit. See pictures of repair.
Includes prop. The keg broke off due to the engine being ran into on trailer.