Enhance your Yamaha PX150, DX150, LX150, LX200, or VX150's performance with the Sierra International Oxygen Sensor (18-7655). This high-quality sensor is designed to monitor and optimize your engine's air-fuel mixture, ensuring efficient combustion and reduced emissions. Crafted for durability and precision, it fits seamlessly into your Yamaha model, providing reliable readings for improved fuel efficiency and engine longevity. Whether you're a casual boater or a seasoned pro, this oxygen sensor is an essential upgrade for maintaining peak engine performance. Get ready to enjoy smoother rides and better fuel economy!