fits model: 250. make: Yamaha.

( Manufacturer Part Number: 61A-43800-25-8D ), ( Part Type: Hp Unit ), ( Non-domestic Product: No ), ( Warranty: 30 Day ), ( Country/region Of Manufacture: Japan )
The Yamaha 61A-43800-25-8D 225/250 HP OX66 Outboard 4-Wire Unit is a powerful and versatile marine propulsion system designed for serious boaters. This unit features a high-performance 6-cylinder, 4-stroke, direct-fuel-injection engine that delivers an impressive 225 or 250 horsepower, ensuring swift and efficient boat movement in various water conditions.
The OX66 engine is equipped with Yamaha's Advanced Multi-Point Fuel Injection (A.M.P.F.I.) system, which optimizes combustion for improved fuel efficiency, reduced emissions, and smoother operation. The engine also features Yamaha's Variable Tuning Intake (VTI) technology, which varies the intake tract to improve power output and torque across the entire RPM range.
The 4-wire unit comes with a convenient and easy-to-use digital control system that allows for precise throttle and shift control, as well as engine diagnostics and monitoring. The control system is compatible with Yamaha's Network Command Center (NCC) system, allowing for seamless integration with other onboard electronics and systems.
The Yamaha 61A-43800-25-8D 225/250 HP OX66 Outboard 4-Wire Unit is built with durability in mind, featuring a corrosion-resistant alloy engine block, high-strength alloy gearcase, and high-quality stainless steel hardware. The unit also features Yamaha's Multi-Point Lubrication (M.P.L.) system, which ensures proper lubrication of critical engine components for extended engine life.
The 4-wire unit is designed to be easily installed and maintained, with a modular design that allows for easy access to key components. The unit also features Yamaha's Shift Dampener System, which reduces shift shock and provides a smooth and comfortable shifting experience.
Overall, the Yamaha 61A-43800-25-8D 225/250 HP OX66 Outboard 4-Wire Unit is a high-performance, reliable, and durable marine propulsion system that is perfect for serious boaters who demand the best in power, performance, and reliability.
Pros of Yamaha 61A-43800-25-8D 225/250 HP Outboard 4-Wire Unit:1. Powerful: With a 225/250 HP engine, this outboard motor provides excellent power and speed for various boating activities.
2. Reliability: Yamaha is a well-known brand with a reputation for producing reliable and durable outboard motors.
3. Advanced Technology: The motor features Digital Electronic Fuel Injection, which provides efficient fuel consumption and smoother operation.
4. Versatile: The 4-wire unit is suitable for a variety of boats, including fishing boats, pontoons, and runabouts.
5. Quiet Operation: The motor is designed to operate quietly, making it ideal for use in areas with noise restrictions.
Cons of Yamaha 61A-43800-25-8D 225/250 HP Outboard 4-Wire Unit:1. Price: The price of the motor is relatively high compared to other brands in the same power range.
2. Maintenance: Regular maintenance is required to keep the motor in good working condition, which may incur additional costs.
3. Weight: At around 400 lbs., the motor is quite heavy, which may require additional equipment to support it.
Conclusion:The Yamaha 61A-43800-25-8D 225/250 HP Outboard 4-Wire Unit offers powerful performance, reliability, and advanced technology. However, the high price and weight may be deterrents for some buyers. If you are looking for a high-performance outboard motor and are willing to invest in a reliable brand, this motor could be a great option for you.
Recommendation:If the price and weight are not a concern for you, we recommend considering the Yamaha 61A-43800-25-8D 225/250 HP Outboard 4-Wire Unit. It is a reliable and powerful motor that will provide you with years of enjoyable boating experiences. However, if you are looking for a more budget-friendly option, there are other brands and models that offer similar performance at a lower price point.
This unit was removed from a running Yamaha sx250 OX66 that parted out due to losing compression in cylinder. The manual release screw works as it should and overall this unit is in good working condition. This unit trims up and down as it should does not have any noticeable leaks in the seals.