Mercury 250CXL 250HP – Four Stroke DTS Counter Rotation 25-Inch

Mercury 250CXL 250HP V8 DTS

The Mercury 250CXL is a premier 250HP FourStroke V8 outboard featuring counter-rotation and digital control for the US offshore boating market. Built upon a 4.6L 32-valve DOHC architecture and weighing 539 lbs, this engine delivers monumental displacement-driven torque. This 25-inch extra-long shaft model is the appropriate port-side companion for dual-engine center consoles. Our dependable outboard propulsion systems is designed to support the mechanical integrity and digital precision necessary for high-performance coastal navigation.

Operational peak performance for the Mercury 250HP V8 is aggressively maintained within the 5200 to 6000 RPM range, providing top-end speed and acceleration. The 1.85:1 gear ratio translates the V8 torque curve into hole-shot performance even on heavy hulls. Manufactured in the USA, this corrosion-resistant marine engine incorporates SmartCraft Digital Throttle & Shift (DTS) to helps support an ultra-smooth ride across choppy offshore swells.

Technical Specifications of Mercury 250CXL

- The 4.6L V8 32-valve DOHC architecture provides class-leading displacement and strong acceleration.
- Counter rotation left-hand drive helps support perfectly balanced steering and tracking in dual-engine offshore boat setups.
- SmartCraft Digital Throttle & Shift (DTS) eliminates mechanical friction for instantaneous and hyper-responsive helm control.
- An integrated high-output 85 Amp alternator delivers 1071 Watts of charging power to keep tournament electronics fully powered.
- Electronic Fuel Injection (EFI) accurately manages the air-fuel mixture for thermal efficiency and reliable cold-starts.
- SmartCraft PCM 112 Digital Inductive ignition provides exact spark timing for flawless high-speed performance and idling.

Naturally Aspirated V8 Power

The 4.6L V8 platform leverages a naturally aspirated DOHC design to eliminate the lag associated with supercharged engines. This “displacement over forced induction” philosophy translates to durability, instantaneous low-end grunt, and incredibly smooth power delivery during high-speed offshore runs.

Digital Throttle & Shift (DTS)

Digital Throttle & Shift (DTS) technology replaces traditional mechanical cables with instantaneous digital responsiveness. This provides captains with silky-smooth shifting and precise speed control, which is critical when docking large multi-engine offshore vessels in crowded American marinas.

Counter Rotation Propulsion

The 25-inch extra-long shaft is paired with a counter-rotation gearbox to negate steering torque in dual-engine installations. This improves hydrodynamic efficiency and allows the offshore vessel to track perfectly straight with minimal steering effort, significantly reducing captain fatigue during long offshore transits.

Advanced Idle Charge

The sophisticated 85 Amp charging system monitors battery voltage and automatically increases engine idle RPM to boost alternator output. This helps support that heavy-draw audio systems, multiple chartplotters, and livewell pumps never drain the battery during extended trolling or tournament fishing sessions.

Mercury 3-Year Protection

Every Mercury 250HP V8 outboard is backed by a comprehensive 3-Year Limited Warranty for American owners. This factory-level protection helps support long-term peace of mind and grants access to genuine parts through a vast nationwide marine dealer network.

Offshore Center Console Match

This counter-rotation DTS outboard is a practical port-side power solution for large offshore center consoles and deep-V walkarounds. It provides the sustained high-end thrust needed for navigating difficult coastal tidal flows while remaining fuel-efficient during transit.

Maintenance & Longevity

Maintaining clean oil in the 7.0L integrated wet sump system is vital for preserving tight engine tolerances over time. Always flush the cooling system with fresh water after every saltwater outing.Maintenance note: Follow the manufacturer’s service procedures and lubrication specifications for the engine and gearcase.