Yamaha 175DETOX Marine Inboard Engine The Yamaha 175DETOX is a robust, gasoline-powered 2-stroke inboard marine engine engineered for reliable propulsion in small to medium-sized vessels. Delivering 175 horsepower (128 kW) through a smooth inline 6-cylinder configuration, it excels in providing balanced power for recreational and light commercial boating, ensuring seamless integration into center-console or cabin cruiser hulls. Key technical specifications underscore its engineering precision: a displacement of 2,596 cm³ (2.596 L) optimizes combustion efficiency, while the 14:26 reduction ratio in the transmission enhances torque delivery to the propeller, minimizing vibration and maximizing propulsive efficiency. Weighing just 198 kg (436 lbs), it features a standard 25-inch (635 mm) shaft length for straightforward inboard mounting, an electric start system for dependable ignition in harsh marine conditions, and likely raw-water cooling for simplicity and thermal management. The engine operates within a versatile 4,500–5,500 RPM range, supporting everything from low-speed maneuvering to high-RPM cruising. Performance-wise, the 175DETOX shines with its high power-to-weight ratio, enabling rapid acceleration and impressive top speeds without compromising fuel economy—hallmarks of 2-stroke design that deliver superior output per liter compared to equivalent 4-strokes. Its low-end torque facilitates precise trolling and tight-quarters handling, while the reduction gearing smooths power pulses for reduced noise and enhanced onboard comfort. Tailored for marine durability, the engine incorporates corrosion-resistant materials, including stainless steel accents on the metallic propeller and a sleek black housing that withstands saltwater exposure. Maintenance is streamlined, with no need for routine oil changes, though regular fuel system checks are advised to sustain its efficiency. Ideal for performance-oriented applications like fishing charters, day cruisers, or watersports boats, the Yamaha 175DETOX blends speed, reliability, and simplicity, making it a go-to choice for boaters seeking uncompromised marine propulsion without environmental overcompliance demands. (Word count: 278)