Mercury Marine
Mercury Marine

2018 Mercury Marine SeaPro™ V-8 250 HP - 20 in. Shaft

Brochure

2018 SeaPro™ V-8 250 HP - 20 in. Shaft Overview & Specs

Engine
Engine TypeV-8
Bore x Stroke3.6 in. x 3.4 in. (92 mm x 86 mm)
Displacement4.6L
StartingElectric Start with SmartStart Protection
Dimensions
Shaft Length20 in. (508 mm)
Weight527 lb. (239 kg)
General
Trim MethodPower trim and tilt
Shaft RotationCounter Rotation available
Propshaft Horsepower250 hp (186 kW)
Full Throttle Operating Range4800-5600 rpm
Gear Ratio / Shift1.75:1
Fuel InductionElectronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
Alternator85-amp (1071 Watt) with Idle Charge
CoolingWater-cooled with thermostat
SteeringBig Tiller (optional); Hydraulic (standard); Power (optional)

SeaPro - more power for the job



The new Mercury V-8 and V-6 SeaPro outboard models bring more of everything to the job—more displacement, more power, more efficiency and more durability. The impressive muscle of our new V-8 4.6-liter and V-6 3.4-liter powerheads is specifically designed for commercial duty and delivers our best-ever fuel economy. The combination of ample torque and low weight makes these engines ideal for heavily-loaded boats. Guaranteed to do its job, so you can do yours.

Features
  • Offers simple, seamless repower rigging. Engineered for commercial fishing vessels, commercial workboats and law-enforcement boats.
  • The Mercury Edge: Corrosion Protection: Mercury offers superior corrosion protection versus the competition, delivering unequaled corrosion-fighting durability featuring the industry's lowest-copper aluminum alloy. Extend the life of critical components with more stainless steel than the competition.
  • SeaPro engines power boaters in harsh conditions: TowBoatUS and commercial boat builders are turning to Mercury Marine’s SeaPro engines because they are engineered to deliver longer engine life while maintaining the power and performance necessary to get the job done.
Specifications
  • HP / kW: 250/186
  • Engine type: V-8
  • MidSection: Conventional MidSection
  • Displacement (CID/CC): 279 CID
  • Displacement (L): 4.6L
  • Cylinder Configuration: V-8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves
  • Full throttle RPM: 4800-5600
  • Air induction: Performance-Tuned Long-Runner Intake Manifold
  • Fuel induction system: Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization
  • Alternator amp / Watt: 85-amp (1071 Watt) with Idle Charge
  • Recommended fuel: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
  • Recommended oil: NMMA Certified FCW SAE 25W-40 (Optional 10W-30 for Cold Conditions)
  • Engine protection operator warning system: SmartCraft Engine Guardian
  • Compatible with SmartCraft digital technology: Yes
  • Starting: Electric Start with SmartStart Protection
  • Controls: Remote Mechanical or Digital Throttle & Shift (DTS)
  • Steering: Big Tiller (optional); Hydraulic (standard); Power (optional)
  • Shaft length: 20" / 508 mm
  • Gearcase ratio: 1.75:1
  • Dry weight *Lightest model available: 527 lbs / 239 kgs
  • CARB star rating: 3
  • Bore and stroke: 3.6 in x 3.4 in / 92 mm x 86 mm
  • Ignition: SmartCraft PCM 112 Digital Inductive
  • Cooling system: Water-cooled with thermostat
  • Gear shift: F-N-R
  • Gearcase options: 5.44"
  • Trim system: Power trim and tilt
  • Exhaust system: Through prop
  • Counter Rotation: Available
  • Color: Phantom Black
  • Lubrication system: Integrated wet sump
  • Oil Capacity: 7.0 Quarts / 6.6 Liters
  • Maximum Trim Range: 20° (-6° to 14°)
  • Maximum Tilt Range: 73° (-6° to 67°)
NOTES:
Dry Weight based on lightest model available.

Compare Models

 






   
Year2018  
ManufacturerMercury  
ModelSeaPro™ V-8 250 HP - 20 in. Shaft  
StyleOutboard  
PriceCall for Price  
Dimensions
Shaft Length20 in. (508 mm)  
Weight527 lb. (239 kg)  
Engine
Engine TypeV-8  
Bore x Stroke3.6 in. x 3.4 in. (92 mm x 86 mm)  
Displacement4.6L  
StartingElectric Start with SmartStart Protection  
General
Trim MethodPower trim and tilt  
Shaft RotationCounter Rotation available  
Propshaft Horsepower250 hp (186 kW)  
Full Throttle Operating Range4800-5600 rpm  
Gear Ratio / Shift1.75:1  
Fuel InductionElectronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization  
Alternator85-amp (1071 Watt) with Idle Charge  
CoolingWater-cooled with thermostat  
SteeringBig Tiller (optional); Hydraulic (standard); Power (optional)  
Warranty   

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Valley Isle Marine Center
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