Mercury 300HP Pro Four Stroke

Print Full Specs

HP / kW
  • 300 / 224
Engine type
  • Inline 6
Displacement (L)
  • 2.6
Displacement (L)
  • 2.6
Full throttle RPM
  • 5800-6400
Air induction
  • Supercharged with charge air cooling and electronic boost pressure control
Fuel induction system
  • Sequential multi-port electronic fuel injection (EFI)
Alternator amp / Watt
  • 70 amp / 882 watt (Belt-Driven)
Recommended fuel
  • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
  • 92 octane for premium performance in all conditions
Recommended oil
  • Mercury FourStroke 25W40 Marine Oil
Engine protection operator warning system
  • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
  • Yes
Starting
  • Smart Start Electric
Controls
  • SmartCraft Digital
Steering
  • Electro-hydraulic power steering
Shaft length
  • 20" / 508 mm
  • 25" / 635 mm
Gearcase ratio
  • 1.75:1
Dry weight *Lightest model available
  • 635 lbs / 288 kg
CARB star rating
  • 2
Gearcase options
  • 4.8"
Color
  • Phantom Black