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300 HP Fourstroke

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The new Mercury 300hp FourStroke is precision engineered from skeg to cowl. Packed with advanced technology to improve all aspects of performance and reliability. the Robust 4.6 Litre V-8 engine is designed to minimise weight and maximise fuel economy. Delivering Mercury's best ever FourStroke hole shot, top speed and fuel efficiency. The 300hp FourStroke now comes with a 3+3=6 Year factory warranty.

ENGINE DETAILS

These robust motors deliver Mercury’s best-ever FourStroke hole shot, top speed and fuel efficiency. Great for aluminum fishing, deck, inflatable rigid hull, inshore fishing, offshore fishing and runabouts and tritoons.

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
  • 5200-6000
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
  • 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
  • Cold Fusion White
  • Pearl Fusion White
  • Phantom Black
  • Warm Fusion White
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°)
Price: POA
Brand: Mercury
Model: 300 HP
Length: 0.00
Year: 2018
Category: Boat Engines and Outboards
Hull Type: Other
Power Type: Other
Engine Make: Mercury
Condition: New
State: Queensland
Suburb: TOWNSVILLE
Engine 1
Engine Make: Mercury
Engine Serial: V-8
Displacement: 4.6
Horse Power: 300
Fuel Type: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Steering: Hydraulic (standard) Power (optional)
Stroke: 5

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