75-150hp

Reach the Next Level

The SeaPro™ mid-range outboards take working to the next level—uncommonly powerful, uniquely compact, uncompromisingly reliable, and unbelievably fuel efficient. To maximize durability, upper mounts are twice as stiff as recreational models. The compact size of these mid-range outboards lets you refit older boats with more horsepower enabling them to perform better than ever with the latest technology. They're the engines with the toughness and durability you need to get the job done.

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Engine Information and Specifications

Select Horsepower

150 115 90 75
Compare Outboard Motors
  • 150

    Engine Details

    The 150hp SeaPro™ is one tough customer, built to deliver loads of torque and higher durability than any other 150hp outboard. It’s perfect for commercial fishing vessels, commercial workboats and law-enforcement boats.

    Specifications - 150

    HP / kW
    • 150 / 110
    Engine type
    • 8-valve single overhead cam (SOHC)
    • Inline 4
    Displacement (L)
    • 3.0
    Full throttle RPM
    • 4800-5300
    Air induction
    • Performance-Tuned Scroll Intake Manifold
    Fuel induction system
    • Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
    Alternator amp / Watt
    • 60 amp / 756 watt (Belt-Driven)
    Recommended fuel
    • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
    Recommended oil
    • NMMA Certified FCW 25W-40 Synthetic Blend
    Engine protection operator warning system
    • SmartCraft Engine Guardian
    See All Specs
    Find a Dealer Today
  • 115

    Engine Details

    The ultimate in commercial-grade durability, high performance and efficiency in a 115hp package. For commercial fishing vessels, commercial workboats and law-enforcement boats.

    Specifications - 115

    HP / kW
    • 115 / 86
    Engine type
    • 8-valve single overhead cam (SOHC)
    • Inline 4
    Displacement (L)
    • 2.1
    Full throttle RPM
    • 5000-5500
    Air induction
    • Performance-Tuned Scroll Intake Manifold
    Fuel induction system
    • Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
    Alternator amp / Watt
    • 35 amp / 441 watt with water-cooled voltage regulator
    Recommended fuel
    • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
    Recommended oil
    • NMMA Certified FCW 25W-40 Synthetic Blend
    Engine protection operator warning system
    • SmartCraft Engine Guardian
    See All Specs
    Find a Dealer Today
  • 90

    Engine Details

    The engine built for you to depend on, offering trouble-free, low-maintenance performance in the harshest working environments. For commercial fishing vessels, commercial workboats and law-enforcement boats.

    Specifications - 90

    HP / kW
    • 90 / 67
    Engine type
    • 8-valve single overhead cam (SOHC)
    • Inline 4
    Displacement (L)
    • 2.1
    Full throttle RPM
    • 5000-5500
    Air induction
    • Performance-Tuned Scroll Intake Manifold
    Fuel induction system
    • Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
    Alternator amp / Watt
    • 35 amp / 441 watt with water-cooled voltage regulator
    Recommended fuel
    • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
    Recommended oil
    • NMMA Certified FCW 25W-40 Synthetic Blend
    Engine protection operator warning system
    • SmartCraft Engine Guardian
    See All Specs
    Find a Dealer Today
  • 75

    Engine Details

    Ultra-compact. Ultra-efficient. Ultra-durable. A motor that works hard all day long, day after day, in the toughest conditions. For commercial fishing vessels, commercial workboats and law-enforcement boats.

    Specifications - 75

    HP / kW
    • 75 / 56
    Engine type
    • 8-valve single overhead cam (SOHC)
    • Inline 4
    Displacement (L)
    • 2.1
    Full throttle RPM
    • 5000-5500
    Air induction
    • Performance-Tuned Scroll Intake Manifold
    Fuel induction system
    • Computer Controlled Multi-Port Electronic Fuel Injection (EFI)
    Alternator amp / Watt
    • 35 amp / 441 watt with water-cooled voltage regulator
    Recommended fuel
    • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
    Recommended oil
    • NMMA Certified FCW 25W-40 Synthetic Blend
    Engine protection operator warning system
    • SmartCraft Engine Guardian
    See All Specs
    Find a Dealer Today

Mercury SeaPro engines excel in Thailand

Sakchai Homsub and his team are out on the water 365 days a year, bringing tourists around the islands surrounding Pattaya, Thailand. As his customers rely on him, he counts on his SeaPro engines to deliver the performance required to take them out on the water day in, day out.

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Harsh conditions can’t deter SeaPro

Harsh conditions can’t deter SeaPro

TowBoatUS and commercial boat builders turn to Mercury Marine’s SeaPro engines because they’re engineered to deliver longer engine life while maintaining the power and performance necessary to get the job done.

The Mercury Edge: Anti-corrosion protection

The Mercury Edge: Anti-corrosion protection

Mercury SeaPro four-stroke outboards offer superior protection against corrosion with the industry's lowest-copper aluminum alloy. And the life of critical components is extended with more stainless steel.

Owners Manuals

Owners Manuals

Need an Owner’s Manual for your Mercury engine to perform maintenance, replace parts or just learn more about your engine? Mercury has made it easy for you to purchase a printed copy or to download and print your own copy. To order a printed version of the Service Manual for your particular Mercury Outboard or MerCruiser Engine, click here.  

Find Your Manual

Documents

Brochures
Brochures

Take a deeper dive into what makes Mercury outboards stand apart with detailed information on each motor and the features that make them unique.

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