fits model: C75, C85, C90. make: Yamaha. year: 1975–1990.

( Manufacturer Part Number: 6H1-45300-A3-4D ), ( Part Type: Hp Motor Unit )
The Yamaha 6H1-45300-A3-4D Outboard Motor Unit is a powerful and reliable 2-stroke engine designed for boats with a horsepower range of 75, 85, or 90. This gearcase-driven motor unit is specifically designed for the C75, C85, and C90 models, ensuring a perfect fit and optimal performance.
The engine's 2-stroke design offers a number of benefits, including lighter weight and simpler maintenance compared to 4-stroke engines. The Yamaha 6H1-45300-A3-4D features a displacement of 1,525 cubic centimeters, which delivers impressive power and torque for a smooth and responsive ride.
One of the standout features of this outboard motor unit is its advanced 3-blade, stainless steel propeller. This propeller is designed to provide excellent thrust and maneuverability, making it easy to navigate tight turns and navigate through rough waters. The propeller is also reversible, allowing for easy maneuvering in reverse.
The gearcase of the Yamaha 6H1-45300-A3-4D is made of high-strength aluminum, which is both lightweight and durable. This gearcase features a 1.85:1 gear ratio, which provides excellent acceleration and top-end speed. The gearcase also features a freshwater cooling system, which helps to prolong the life of the motor and prevent corrosion.
The Yamaha 6H1-45300-A3-4D Outboard Motor Unit also features a number of advanced electrical and control systems. This includes an electronic fuel injection system, which delivers precise fuel mixture for optimal performance and fuel efficiency. The motor also features a digital ignition system, which provides reliable spark and starts the engine quickly and easily.
In addition, the motor unit is equipped with a multi-function tachometer, which provides real-time information such as RPM, fuel level, and engine temperature. The motor unit also features a remote-control start system, which allows for easy starting and stopping of the engine from the helm.
The Yamaha 6H1-45300-A3-4D Outboard Motor Unit is also designed with safety in mind. The motor features a built-in kill switch, which cuts the engine power if the operator falls overboard or if the engine is accidentally activated. The motor also features a low-oil pressure warning system, which alerts the operator if the oil level is too low.
Overall, the Yamaha 6H1-45300-A3-4D Outboard Motor Unit is a powerful and reliable engine that is perfect for boats with a horsepower range of 75, 85, or 90. Its advanced features and high-quality materials ensure a smooth and responsive ride, while its safety systems provide peace of mind for the operator. With its 3-blade propeller, advanced electrical and control systems, and durable gearcase, the Yamaha 6H1-45300-A3-4D is an excellent choice for anyone looking for a high-performance outboard motor unit.
Pros of buying Yamaha 6H1-45300-A3-4D outboard motor unit:1. Reliability: Yamaha is known for its durable and reliable outboard motors, which can handle a variety of boating conditions.
2. Power Range: The 6H1-45300-A3-4D motor is available in 75, 85, and 90 horsepower options, making it versatile for different boat sizes and uses.
3. Efficient: The 2-stroke engine is known for its fuel efficiency, which can save you money in the long run.
4. Lightweight: The motor is lightweight, making it easier to handle and install on your boat.
5. Versatility: The gearcase options (C75, C85, C90) allow you to choose the right one for your specific boat and usage.
Cons of buying Yamaha 6H1-45300-A3-4D outboard motor unit:1. Maintenance: 2-stroke engines require more frequent oil changes and maintenance than 4-stroke engines.
2. Noise Level: The 2-stroke engine can be louder than 4-stroke engines, which may be a concern for some users.
3. Fuel Smell: 2-stroke engines can produce a strong fuel smell, which may be a disadvantage for some users.
4. Limited Availability: Depending on your location, you may have limited access to parts and service for the 6H1-45300-A3-4D model.
Conclusion:The Yamaha 6H1-45300-A3-4D outboard motor unit offers a range of benefits, including reliability, power options, and fuel efficiency. However, it also has some drawbacks, such as increased maintenance requirements and noise level. If you can handle the maintenance and are looking for a powerful and fuel-efficient outboard motor, the Yamaha 6H1-45300-A3-4D could be a good fit for you.
Recommendation:I would recommend considering the Yamaha 6H1-45300-A3-4D outboard motor unit if you are looking for a reliable and powerful 2-stroke engine. However, be prepared for increased maintenance requirements and noise levels. If you are looking for a 4-stroke engine with fewer maintenance requirements and a lower noise level, you may want to consider other options.
Please see the pictures below.
Tested and guaranteed to function correctly.
Zip code serviced and ready to bolt-on go. Item: Yamaha 75,85 90hp 2-stroke outboard 20 lower unit. Unit will come with new water pump impeller and drive shaft already installed gear lube.
Location: marine supply on hwy 49 in Gulfport, ms directly across from Lowe's. Fits large 3-cylinder 75-90hp Yamaha 2-stroke outboards condition: used but in excellent condition.