MerCruiser 6.2L 300 ECT

Rethink the V-8.

A 6.2-liter V-8 engine with unparalleled torque and acceleration to get you on plane quickly and smoothly.

Engine Details

HP / kW
  • 300 / 224
Maximum RPM (WOT)
  • 5000 - 5400
Engine type
  • V8, 2-valve/cylinder pushrod
Displacement (L)
  • 6.2
Displacement (CID/L)
  • 377 / 6.2
Bore and stroke
  • 4.0" x 3.75" / 101.6mm x 95.25mm
Recommended fuel
  • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Fuel ethanol tolerance
  • Up to 10%
Fuel requirement
  • 90 RON 10% Ethanol Maximum
  • Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system
  • Mechanical Shifting with Optional SmartCraft DTS
  • Standard SmartCraft with Electronic Throttle Control
Fuel delivery system
  • Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Air induction
  • Performance-Tuned Scroll Intake Manifold
Ignition
  • SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt
  • 70 amp / 882 watt (Belt-Driven)
Water drain system
  • Air Actuated "Season Extender" (Bravo)
Exhaust system
  • Through prop
Cooling system
  • Fresh water cooled available with SeaCore option
  • Water-cooled with thermostat
Lubrication system
  • Integrated wet sump
Recommended oil
  • NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system
  • SmartCraft Engine Guardian
Dimensions (L x W x H)
  • 32 x 30 x 22" / 813 x 762 x 559 mm
Weight (engine only)
  • 862 lbs / 391 kg
Compatible drives
  • Bravo One
  • Bravo Three
  • Bravo Two