The new Mercury V-8 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-litre powerhead is specifically designed for commercial duty and delivers our best-ever fuel economy and FourStroke performance. 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. The SeaPro Verado is available with joystick piloting (optional), electro-hydraulic power steering, and Mercury’s Advanced MidSection (AMS). The Advanced MidSection virtually eliminates vibration from being transmitted to the boat, while joystick piloting provides maximum control and maneuverability. Mercury SeaPro FourStroke models come with a 2+1 = 3 year commercial factory warranty.

ENGINE DETAILS

Ideal for commercial fishing, commercial workboats and law-enforcement boats. Available with joystick piloting, electro-hydraulic power steering, and Mercury’s Advanced MidSection (AMS). The Advanced MidSection virtually eliminates vibration from being transmitted to the boat, while joystick piloting provides maximum control and maneuverability.

SPECIFICATIONS - 300 AMS

HP / kW
  • 300/224
Engine type
  • V-8
MidSection
  • Advanced MidSection (AMS)
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
  • 115-amp (1449 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
  • Digital Throttle & Shift (DTS)
Steering
  • Electro-hydraulic power steering
  • Joystick Piloting for Outboards
Shaft length
  • 20" / 508 mm
  • 25" / 635 mm
  • 30" / 762 mm
Gearcase ratio
  • 1.75:1
Dry weight *Lightest model available
  • 600 lbs / 272 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°)

Engine 1

Engine Make Mercury
Engine Serial V-8
Displacement 4.6
Horse Power 300