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 maximise 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.
Engine Information and Specifications
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![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
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
Engine protection operator warning system - SmartCraft Engine Guardian
Compatible with SmartCraft digital technology - Yes
Starting - Electric (turn-key)
- Smart Start Electric
Steering - Big Tiller Compatible
- Dual cable mechanical
- Electro-hydraulic power steering optional
- Hydraulic power steering
Shaft length - 20" / 508 mm
- 25" / 635 mm
Gearcase ratio - 1.92:1
Dry weight *Lightest model available - 206
CARB star rating - 3
Bore and stroke - 4.0 x 3.6 / 102 x 92
Ignition - SmartCraft ECM 70 Digital Inductive
Fuel system - Electronic Fuel Injection (EFI)
Cooling system - Water-cooled with thermostat
Gear shift - F-N-R
Trim system - Power Tilt
- Power Trim
Exhaust system - Through prop
Counter Rotation - Available
Color - Phantom Black
Lubrication system - Wet sump
Oil Capacity - 6.3 qts / 6.0l
Maximum Trim Range - 22° (-6° to 16°)
Maximum Tilt Range - 73° (-6° to 67°)
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![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
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
Engine protection operator warning system - SmartCraft Engine Guardian
Compatible with SmartCraft digital technology - Yes
Starting - Smart Start Electric
Steering - Big Tiller
- Dual cable mechanical
- Electro-hydraulic power steering optional
- Hydraulic
Shaft length - 20" / 508 mm
- 25" / 635 mm
Gearcase ratio - 2.38:1
Dry weight *Lightest model available - 165
CARB star rating - 3
Bore and stroke - 3.5 x 3.2 /90 x 81
Ignition - SmartCraft ECM 70 Digital Inductive
Fuel system - Electronic Fuel Injection (EFI)
Cooling system - Water-cooled with thermostat
Gear shift - F-N-R
Trim system - Power Tilt
- Power Trim
Exhaust system - Through prop
Shallow water trim range (degrees) - 20
Counter Rotation - Available
Color - Phantom Black
Lubrication system - Wet sump
Oil Capacity - 5.5 qts / 5.2 l
Maximum Trim Range - 22° (-6° to 16°)
Maximum Tilt Range - 70° (-6° to 64°)
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![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
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
Engine protection operator warning system - SmartCraft Engine Guardian
Compatible with SmartCraft digital technology - Yes
Starting - Smart Start Electric
Controls - Mechanical throttle & shift
Steering - Big Tiller
- Dual cable mechanical
- Hydraulic
Shaft length - 20" / 508 mm
- 25" / 635 mm
Gearcase ratio - 2.38:1
Dry weight *Lightest model available - 165
CARB star rating - 3
Bore and stroke - 3.5 x 3.2 /90 x 81
Ignition - SmartCraft ECM 70 Digital Inductive
Fuel system - Electronic Fuel Injection (EFI)
Cooling system - Water-cooled with thermostat
Gear shift - F-N-R
Trim system - Power Tilt
- Power Trim
Exhaust system - Through prop
Shallow water trim range (degrees) - 20
Color - Phantom Black
Lubrication system - Wet sump
Oil Capacity - 5.5 qts / 5.2 l
Maximum Trim Range - 22° (-6° to 16°)
Maximum Tilt Range - 70° (-6° to 64°)
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.
Calculate your fuel savings
The Mercury Fuel Savings Calculator will allow you to easily calculate the possible fuel savings of a Mercury FourStroke SeaPro over a TwoStroke!
Choose how you use your boat, select the TwoStroke and FourStroke horsepower - and our tool will show your potential fuel savings. If you're looking to upgrade or add more power, you can even choose different FourStroke and TwoStroke horsepower options!
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.