Description
Discover the benefits and features of the MerCruiser 4.5L 200 HP MPI for your professional marine needs.
Overview
The MerCruiser 4.5L 200 HP MPI engine is a high-performance marine engine designed to deliver exceptional power, efficiency, and reliability for recreational boating enthusiasts. This engine is part of Mercury Marine’s 4.5L V6 lineup, known for its impressive torque, fuel efficiency, and advanced technology features.
Technical Specifications
| Specification | Details |
|---|---|
| Horsepower | 200 HP (149 kW) |
| Engine Type | V6, 2-valve/cylinder pushrod |
| Displacement | 4.5 liters (275 cu. in.) |
| Bore x Stroke | 4.0″ x 3.6″ (102 mm x 92 mm) |
| Compression Ratio | 9.4:1 |
| Fuel System | Multi-Port Electronic Fuel Injection (MPI) |
| Ignition System | SmartCraft PCM 112 Digital Inductive |
| Cooling System | Raw water cooled with thermostat; optional fresh water cooling with SeaCore |
| Exhaust System | Through-prop exhaust |
| Alternator Output | 70 amp / 882 watt (belt-driven) |
| Weight (Dry) | Approximately 756 lbs (343 kg) |
| Dimensions (L x W x H) | 28″ x 30″ x 22″ (711 mm x 762 mm x 559 mm) |
| Recommended Oil | NMMA Certified FCW 25W-40 Synthetic Blend |
| Fuel Requirements | Unleaded Regular 87 Octane Minimum (R+M/2); 90 RON 10% Ethanol Maximum |
| Drive Compatibility | Alpha One, Bravo One, Bravo Two, Bravo Three |
| Warranty | 3-year limited warranty |
Performance & Reliability
Performance Highlights
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Enhanced Torque & Acceleration: The 4.5L V6 engine delivers impressive torque, allowing for quick planing and smooth acceleration, making it ideal for both cruising and towing activities.
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Advanced Fuel Efficiency: The Multi-Port Electronic Fuel Injection (MPI) system fine-tunes the air-to-fuel ratio, optimizing fuel consumption across the RPM range.
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Adaptive Speed Control: Maintains consistent RPM during hard turns, enhancing handling and providing a sportier, more intuitive driving experience without the need for constant throttle adjustments.
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Quiet Operation: The engine’s design includes noise-reducing features, ensuring a quieter ride and a more pleasant boating experience.
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SmartCraft Integration: The engine is compatible with Mercury’s SmartCraft system, offering advanced diagnostics, fuel management, and engine monitoring through a digital interface.
Reliability Features
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Service Access: The engine features redesigned service access points, bringing all service areas to a single easily reachable location, color-coded for owner-friendly maintenance.
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Corrosion Resistance: Optional SeaCore technology provides enhanced corrosion protection, extending the engine’s lifespan, especially in saltwater environments.
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Seasonal Protection: The air-actuated “Season Extender” water drain system allows for easier winterization and protection against freezing temperatures.
Applications
The MerCruiser 4.5L 200 HP MPI engine is suitable for a variety of boating activities, including:
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Cruising: Provides smooth and efficient cruising capabilities for leisurely outings.
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Towing: Offers sufficient power for towing water sports enthusiasts, such as wakeboarders and water skiers.
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Performance Boating: Delivers the necessary power and acceleration for high-performance boating experiences.
The MerCruiser 4.5L 200 HP MPI engine offers a blend of power, efficiency, and reliability, making it an excellent choice for recreational boaters seeking a versatile and high-performing marine engine. Whether you’re cruising, towing, or seeking performance, this engine is designed to enhance your boating experience.
For more detailed information and to explore purchasing options, visit the official Mercury Marine website.
If you have further questions or need assistance with specific configurations or comparisons, feel free to ask!
