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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The Mercury Pro XS 200hp outboard is engineered for boaters who demand the highest level of acceleration, speed and driving precision. Featuring the powerful 4.6L V8 platform, exclusive Pro XS calibration and advanced control technologies, it provides unbeatable performance whether you’re competing or exploring at top speed.

Unmatched Power and Acceleration

The naturally aspirated 4.6L V8 delivers exceptional torque throughout the rpm band. Instant throttle response, aggressive mid-range pull and rapid hole shot make this model a favorite among performance enthusiasts and tournament fishermen.

Advanced Performance Technologies

• Transient Spark Technology: adjusts ignition timing dynamically for stronger acceleration.
• Adaptive Speed Control: maintains target rpm automatically even with changing loads or water conditions.
• Performance-tuned exhaust: produces a bold, sporty tone while remaining quieter than competing high-output engines.

Smart Charging Power

An 85-amp charging system with Idle Charge automatically increases idle rpm when needed, ensuring reliable battery recovery even with heavy electrical demands.

Lightweight Heavyweight

The 4.6L Pro XS V8 offers big-block torque with a surprisingly low weight, making it ideal for heavier boats that require fast planing and superior acceleration.

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The Mercury Pro XS 175hp outboard is engineered for anglers and boaters who demand superior speed, torque and acceleration. Its lightweight 3.4L V6 design, advanced calibration and exclusive performance components deliver exceptional power across the entire rpm range.

High Torque, Instant Response

This V6 model features a dual overhead cam design for rapid throttle response and powerful mid-range torque. Transient Spark technology adjusts ignition timing in real time to boost acceleration and provide explosive hole-shot performance.

Intelligent Control & Efficiency

• Adaptive Speed Control: maintains your set rpm even as load or water conditions change.
• Advanced Range Optimisation: enhances cruise-speed fuel efficiency with seamless fuel delivery adjustments.
• Performance-tuned exhaust: provides a commanding, performance-inspired sound while remaining quieter than competing high-output engines.

Powerful Charging System

The Pro XS 175hp features an 85-amp charging system with Idle Charge battery management. It automatically increases idle rpm to boost alternator output and recover battery levels quickly.

Lightweight Strength

The 3.4L V6 platform delivers big-block torque with significantly less weight, making it ideal for larger or heavier loaded boats that need fast planing and responsive performance.

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The Mercury Pro XS 115hp outboard is built for boaters who demand speed, acceleration and unmatched reliability. Designed for bass boats, multi-species rigs, flats skiffs and performance pontoon applications, it combines lightweight engineering with a high-displacement 2.1L inline-4 powerhead to deliver exceptional torque and throttle response.

Unmatched Performance

Pro XS engines are tuned to run fast. The 115hp model offers instant throttle response, powerful hole shot and outstanding mid-range acceleration. Whether you compete or simply want a superior on-water experience, the Pro XS series provides a clear advantage.

Intelligent Power & Efficiency

• High-output alternator: Keeps batteries charged even with multiple electronics running.
• Idle Charge system: Automatically increases idle rpm to recharge low batteries.
• Efficient design: Maximizes range so you can run farther on every trip.

Enhanced Driving Experience

With refined engine mounts, an optimized gearcase and smooth, quiet operation, the Pro XS 115hp offers precise handling and reduced vibration. Command Thrust (CT) gearcase compatibility allows the engine to swing a larger prop for improved lift, control and maneuverability.

Built for Durability

Color-coded maintenance points and QR code access to service instructions make upkeep straightforward. The engine is designed to withstand demanding conditions while maintaining long-term reliability.

Technical Specifications

Performance Benefits

• Fastest acceleration and top-end speed in its class
• Lightweight build for improved hole shot on a wide range of boats
• Smooth, quiet operation for long days on the water
• Performance-inspired styling with Redline Red accents

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The Mercury SeaPro 350 HP is the flagship of the SeaPro high-horsepower lineup.
Equipped with a powerful 5.7L V10 powerhead, this engine is engineered to handle the
toughest commercial conditions while delivering exceptional torque at lower rpm, outstanding
fuel efficiency and unmatched long-term durability.

Designed for operators who rely on their equipment every single day, the SeaPro 350 offers
commercial-grade components, an extra-robust gearcase, superior corrosion resistance and
advanced SmartCraft compatibility for maximum control and productivity. It is built to work
as hard as you do — with the reliability to match.

Key Features

• 5.7L V10 displacement: Class-leading torque for moving heavy loads with ease.
• Adaptive Speed Control: Maintains rpm automatically regardless of changing load.
• Idle Charge battery management: Adjusts idle rpm to increase alternator output when needed.
• Top-cowl service door: Quick oil checks and top-ups without removing the engine cover.
• Heavy-duty gearcase: Validated for three times the lifespan of a recreational gearcase.
• Exceptionally quiet: Precision-tuned intake/exhaust and injector covers reduce noise considerably.
• SmartCraft compatibility: Works with VesselView, JPO, Active Trim, DTS and more.

Performance

• High displacement V10: Delivers impressive low-end torque and smooth acceleration.
• Smooth and quiet operation: Up to 28% quieter at cruise than competing models.
• Commercial-grade durability: Reinforced midsection designed for long daily operation.
• Efficient power delivery: Optimised for 87 octane fuel to reduce operating costs.
• Corrosion protection: Proprietary alloys, heavy-duty coatings and freshwater flush port.

SmartCraft® Features

• Joystick Piloting (JPO): Precise control for multi-engine vessels: sideways, rotation and fine manoeuvres.
• Electric Steering: Fast, smooth and power-efficient steering with over 50% less energy use.
• DTS – Digital Throttle & Shift: Instant response and quiet, smooth shifting.
• Active Trim: Automatic trim system for improved fuel economy and easier operation.
• VesselView Mobile: Wireless engine data, diagnostics and maintenance tracking on your phone.

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The Mercury SeaPro 300 CMS is a heavy-duty V8 outboard engineered for long working days,
harsh environments and continuous commercial operation. With its robust
4.6-litre V8 powerhead and commercial-grade components, it delivers exceptional durability,
high torque at low rpm and dependable performance when your livelihood depends on it.

The CMS version (Conventional MidSection) is designed to be the
lightest in its class, making it ideal for commercial boats that require
high power with reduced overall weight. It offers outstanding balance, efficient operation
and lower vibration levels than previous mid-section designs.

Main Features

• Adaptive Speed Control: Maintains engine rpm automatically even when load or water conditions change.
• Idle Charge Battery Management: Boosts alternator output at idle when battery voltage drops.
• Top-cowl Service Door: Allows quick oil checks and top-ups without removing the entire cowl.
• Commercial-Grade Gearcase: Validated to last up to three times longer than recreational equivalents.
• Exceptionally Quiet Operation: Tuned intake and exhaust combined with injector covers significantly reduce noise.
• Lightest in Its Class: CMS models (200–300 hp) provide excellent power-to-weight ratios.

Performance

• High-displacement 4.6L V8: Provides powerful low-end torque for heavy loads.
• Reliable All-Day Operation: Engineered to run hard with reduced internal stress.
• Compact, lightweight design: Enhances acceleration, handling and fuel efficiency.
• Superior corrosion resistance: Durable coatings, proprietary alloys and freshwater flush system.
• SmartCraft compatibility: Works seamlessly with VesselView, Active Trim, DTS and more.

SmartCraft® Features

• DTS – Digital Throttle & Shift: Smooth shifting, instant response and quiet operation.
• Active Trim: Automatic trim optimisation for performance and fuel savings.
• VesselView Mobile: Wireless connection to mobile devices for engine monitoring and maintenance tracking.
• SmartCraft Connect: Integration with Garmin and Raymarine multifunction displays.

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The Mercury SeaPro 225 HP outboard is engineered to handle the toughest commercial workloads
with unmatched reliability. Powered by a robust 4.6L V8, it delivers exceptional torque at low rpm,
allowing operators to move heavy loads efficiently without putting unnecessary strain on the engine.

Designed for long, demanding days on the water, SeaPro high-horsepower outboards feature strengthened
components, superior corrosion resistance and simplified maintenance access — ensuring dependable
operation year after year.

Key Features

• Adaptive Speed Control: Holds engine rpm steady during load or condition changes, without throttle adjustments.
• Idle Charge Battery Management: Automatically increases charging power at idle when battery voltage drops.
• Easy Maintenance: A top-cowl service door enables quick oil checks and top-ups without removing the cowl.
• Heavy-Duty Gearcase: Validated for up to three times the lifespan of recreational gearcases.
• High Torque at Low RPM: Allows the engine to work hard all day with reduced internal stress.
• Smooth and Quiet Operation: Tuned intake and exhaust systems significantly reduce engine noise.

Performance Highlights

• High Displacement 4.6L V8: Offers class-leading power and effortless acceleration.
• Lightweight for Its Class: Built to improve overall handling and efficiency for commercial boats.
• Exceptionally Durable: Engineered for continuous operation in challenging conditions.
• Corrosion-Resistant Build: Uses proprietary alloys, durable coatings and a freshwater flush system.
• SmartCraft Integration: Full compatibility with VesselView, Active Trim, DTS and more.

SmartCraft® Integration

SeaPro 225 HP supports the full suite of SmartCraft technologies — including VesselView Mobile,
SmartCraft Connect, Active Trim, and Digital Throttle & Shift (DTS).
For multi-engine setups, options like joystick piloting (JPO) and electric steering enhance precision and maneuverability.

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The Mercury SeaPro 200 HP outboard is engineered for demanding commercial use, delivering
impressive torque, unmatched reliability and remarkable fuel efficiency. Designed around a
high-displacement 3.4L V6 powerhead, it provides exceptional pulling power at lower rpm,
allowing operators to work longer and more efficiently without unnecessary engine stress.

SeaPro outboards are built for professionals who face challenging conditions day after day.
From heavy-duty internal components to industry-leading corrosion protection, the SeaPro 200 HP
is engineered to thrive where ordinary recreational engines fall short.

Key Features

• Adaptive Speed Control: Maintains engine rpm even when load or conditions change – no throttle adjustment needed.
• Battery Management: Idle charge system automatically boosts alternator output when battery voltage drops.
• Easy Maintenance: Top-cowl service door allows quick oil checks or top-ups without removing the cowl.
• Heavy-Duty Gearcase: Validated to last up to three times longer than recreational models.
• High Torque at Lower RPM: Designed to work hard without overloading the engine.
• Smooth & Quiet Operation: Tuned air intake, exhaust and injector covers reduce noise throughout the rpm range.

Performance Benefits

• High Displacement: Powerful 3.4L V6 ensures strong acceleration and reliable load-handling.
• Lightweight & Compact: Among the lightest in its class for better overall boat performance.
• Exceptional Durability: Built for continuous commercial operation in harsh environments.
• Corrosion Resistance: Proprietary alloys, robust coatings and convenient freshwater flush system.
• SmartCraft Compatibility: Full integration with VesselView, Active Trim, Troll Control and more.

Short Description

The Mercury SeaPro 200 HP is a high-displacement 3.4L V6 workhorse built for
intensive commercial use. Featuring adaptive speed control, heavy-duty components,
excellent fuel efficiency and full SmartCraft compatibility, it delivers the power, torque
and durability needed to handle the toughest days on the water.

Technical Specifications

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The Mercury SeaPro 150HP is the most powerful model in the inline-4 SeaPro range, built specifically
for heavy-duty commercial use. Designed to withstand long operating hours, harsh working environments and demanding
loads, the SeaPro 150 delivers exceptional torque, outstanding fuel efficiency and long-term reliability.
Whether you’re running a workboat, patrol vessel or utility craft, this outboard is engineered to keep you working
on schedule every day.

Key Features

High-Output 60A Belt-Driven Alternator

The SeaPro 150HP is equipped with a 60-amp belt-driven alternator, providing powerful and stable charging
for batteries and energy-demanding onboard systems. Work lights, navigation equipment, pumps or communication devices —
everything stays powered throughout the day.

Commercial-Grade Gearcase

The gearcase of the 150HP SeaPro is validated to withstand three times the lifespan of recreational equivalents.
Designed for continuous use, it ensures maximum durability and long service life, even in harsh and high-load conditions.

Electronic Fuel Injection (EFI)

EFI technology delivers instant starts, smooth and consistent power delivery and optimal fuel efficiency across
the entire rpm range. No matter the weather or workload, the SeaPro 150 performs with confidence.

Low-Maintenance Engineering

Featuring a spill-free oil change system, easy-access fuel filter and colour-coded service points, the SeaPro 150
minimises downtime and simplifies regular maintenance — essential for commercial operators.

Advanced Tiller (Optional)

The optional Mercury tiller handle adapts to the operator, offering adjustable grip direction and multi-angle
positioning. The engine is also available with remote steering for console-controlled setups.

Performance Benefits

• 3.0L displacement delivers serious low-end torque for heavy vessels
• Fast acceleration with an 8-valve single overhead cam design
• Lightweight for its class — the lightest 150HP commercial outboard available
• Optimised for 87-octane fuel to reduce operational costs
• High-strength motor mounts engineered specifically for commercial duty

SeaPro Advantages

SeaPro engines are built with reinforced components, corrosion-resistant alloys and long-life coatings to handle
extreme marine environments. From superior torque to heavy-duty internals, the SeaPro 150HP is made to endure
continuous operation with minimal downtime.

Full compatibility with SmartCraft® technologies — including VesselView, Active Trim, Troll Control and
SmartCraft Connect — ensures advanced control, real-time monitoring and professional-grade operational efficiency.

SmartCraft® Ready

With integrated SmartCraft support, the SeaPro 150 delivers complete access to digital engine data, fuel tracking,
performance monitoring, maintenance alerts and seamless integration with modern multi-function displays.
It is the ideal power solution for commercial operators seeking maximum reliability and control.

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The Mercury SeaPro 115HP is engineered for the toughest commercial environments, delivering long-lasting
durability, excellent fuel efficiency and dependable performance. SeaPro outboards are designed to work hard all day,
every day, with minimal maintenance and maximum reliability, helping you keep operations on schedule even in demanding conditions.

Key Features

High-Output Alternator

The SeaPro 115HP is equipped with a 35-amp alternator featuring a water-cooled voltage regulator, ensuring
stable power delivery to batteries, navigation electronics, work lights and communication equipment throughout the day.

Heavy-Duty Command Thrust Gearcase

The Command Thrust gearcase is built for commercial use. It turns larger propellers, giving more lift for
heavy boats and improving planing performance without sacrificing control or durability.

Electronic Fuel Injection (EFI)

Mercury EFI technology provides instant starts, smooth acceleration and maximum responsiveness in all
weather conditions. From idle to full throttle, the SeaPro 115 delivers strong and consistent performance.

Low-Maintenance Design

With a no-spill oil change system, easily accessible fuel filter and colour-coded maintenance touch points,
the SeaPro 115HP keeps servicing simple and reduces downtime.

Advanced Tiller (Optional)

The optional Mercury tiller handle adapts to the operator with adjustable grip direction (left or right-handed)
and multi-angle positioning, both vertically and laterally. Remote steering options are also available for console-controlled setups.

Performance Benefits

• High-displacement 2.1L powerhead produces strong low-end torque for quick planing
• 8-valve, single overhead cam design ensures fast acceleration and strong mid-range power
• Lightest in its class (115hp and 150hp SeaPro models)
• Optimised for 87-octane fuel for greater operational savings
• Commercial-grade components throughout the drivetrain and mounts

SeaPro Advantages

Every detail of the SeaPro 115HP is engineered for commercial duty — from a gearcase validated for heavy daily use to
upper motor mounts that are twice as stiff as recreational equivalents. The result is longer life,
greater stability and reduced wear under constant load.

SeaPro models offer tiller or remote steering and full compatibility with SmartCraft® features such as
Active Trim, Troll Control and advanced digital monitoring systems.

Corrosion Resistance

Proprietary Mercury alloys, multi-layer protective coatings and a convenient freshwater flush system help the SeaPro
withstand harsh marine environments and extend service life.

SmartCraft® Ready

SeaPro outboards integrate seamlessly with SmartCraft technologies, providing digital gauges, fuel flow tracking,
performance monitoring, maintenance logs and advanced vessel-wide control features. These tools make working on the water
safer, easier and more efficient.

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