Mercury FourStroke 250hp – Refined V8 Power
The Mercury FourStroke 250hp outboard combines high-displacement V8 power with advanced control and efficiency features. It is engineered for boaters who want strong mid-range torque, a quiet ride and low running costs on a wide range of boats.
Smooth, Quiet Performance
A large muffler and vibration-dampening cowl design help the V8 FourStroke run exceptionally smooth and quiet at any speed. Less noise and vibration make conversations easier and long days on the water more relaxing.
Consistent Control with Adaptive Speed Control
Adaptive Speed Control automatically maintains engine rpm as load or conditions change. Climbing large swells, cruising at low speeds or carving tight turns feels more controlled because you do not need to constantly adjust the throttle.
Easy Routine Maintenance
The exclusive top cowl service door simplifies routine checks. You can inspect or add engine oil without removing the entire cowl. A clear, hour-based maintenance schedule decal under the cowl provides a quick overview of service intervals.
Strong Charging and Intelligent Battery Management
A powerful alternator produces up to 85 amps of charging power at wide-open throttle. The idle charge battery management system monitors battery voltage and can automatically raise idle rpm to increase alternator output when needed, helping to keep onboard electronics running longer.
Durable and Efficient by Design
Advanced alloys, durable coatings, sealed electronics and an easy-to-use freshwater flush system provide strong corrosion resistance in demanding marine environments. Efficiency-enhancing features such as Advanced Range Optimisation (ARO), a closed-loop fuel system and a hydrodynamic gearcase help the FourStroke 250hp deliver excellent fuel economy.
SmartCraft Integration and Versatility
The FourStroke 250hp is fully compatible with Mercury SmartCraft digital technologies, including Active Trim, VesselView displays, Troll Control and Joystick Piloting for suitable installations. Available Digital Throttle & Shift (DTS) controls provide smooth, quiet shifting and instant throttle response, giving you confident control over every trip.

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