Don’t be fooled by its size – the Mercury SeaPro 200hp V6 is a compact engine with a heavyweight work ethic. With a robust 3.4L V6 (unusually large for a 200hp), the SeaPro 200 generates impressive torque and power at low to mid RPMs. For commercial users, that translates into faster planing, better carrying capacity, and more confidence in tough conditions – critical advantages when transporting goods, pulling nets, or towing equipment with a small boat.
A key benefit of the SeaPro 200 is its lightweight design: at around 229 kg, it’s the lightest 200hp four-stroke in its class. This reduced weight improves everything from hole-shot acceleration to overall fuel consumption, making your operations more efficient. For applications that demand extra thrust, this V6 delivers excellent “punch” – thanks to its large prop and gear ratio, the SeaPro 200 can easily pop a heavy inflatable or workboat onto plane where weaker engines might struggle.
Despite its compact size, the SeaPro 200 doesn’t skimp on technology or comfort. It comes equipped with a high-output alternator to support on-board electronics, and it features the same top-cowl service door for oil checks as the larger SeaPro models. Mercury has incorporated Adaptive Speed Control, which maintains steady engine RPM when the boat encounters a big wave or additional load – you won’t lose momentum at critical moments. Additionally, the SeaPro 200 is calibrated to run on regular fuel and leverages Advanced Range Optimization (ARO) to automatically save fuel at cruise – a feature you’ll appreciate for its cost savings. With Mercury’s legendary corrosion protection and global service network, the SeaPro 200hp gives you peace of mind that your investment will keep paying off season after season.
- Ideal use cases: Smaller workboats, pontoons, barges, and commercial RIBs (approximately 5.5–6.5 meters), where 200hp offers the perfect blend of power and efficiency. The SeaPro 200 is also an excellent choice for twin-engine installations on larger vessels, providing reliable 200hp units for redundancy and extra push.
- Recommended for: Harbor services, aquaculture operators, and any commercial or government application that needs a compact yet capable engine. Mercury SeaPro 200hp provides an ideal combination of lightweight agility and heavy-duty durability, excelling wherever 200hp is required to work hard and reliably all day long.
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Engine hp:200 hp
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Engine type:V-6 [64°] with dual overhead camshafts [DOHC] and 24 valves
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Displacement:3400 cc (L)
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Max. RPM:4600 - 5600 RPM RPM
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Alternator Amp / Watt:85A / 1071W
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Fuel recommendation:Unleaded regular, minimum 87 octane (R+M/2) or 90 RON, maximum 10% ethanol
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Engine protection system:SmartCraft Engine Guard
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Reduction gear ratio:1.85:1
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Ignition type:SmartCraft PCM 112 Digital Inductive
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Recommended oil:Mercury FourStroke Oil 10W-30
25W-40 Synthetic Blend
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Fuel system:EFI
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Cooling system:Water cooling + thermostat
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Gears:F-N-R
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Exhaust system:Through the propeller
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Oil tank capacity:6.6 L.
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Propeller:Yes




