300 HP Pro XS

The 300hp Pro XS provides hard-charging performance to put you out front and keep you there. Pro XS is the choice of tournament anglers and performance enthusiasts who don't like coming second. Mercury V-8 Pro XS models transform every drop of fuel into performance delivering class leading fuel economy at cruising speed and wide-open throttle. Advanced Range Optimisation (ARO) utilises closed-loop fuel control to precisely adjust the fuel mixture and deliver the best possible efficiency. All Pro XS FourStroke models now come with a 3+3=6 Year factory warranty.

ENGINE DETAILS

An unmatched combination of speed, fuel economy and low cost of ownership. Great for bass and multi-species fishing boats.

SPECIFICATIONS - 300

HP / kW
  • 300 / 224
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
  • 5600-6200
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 10W-30
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
  • Hydraulic (standard)
  • Power (optional)
Shaft length
  • 20" / 508 mm
  • 25" / 635 mm
Gearcase ratio
  • 1.75:1
Dry weight *Lightest model available
  • 505 lbs / 229 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
  • 20": TorqueMaster
  • 25": 5.44"
Trim system
  • Power trim and tilt
Exhaust system
  • Through prop
Counter Rotation
  • Available
Color
  • Phantom Black
Lubrication system
  • 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
Stroke 4-Stroke