MerCruiser 6.2L 300

Simple. Easy. Powerful.

Built for ease – from maintenance to maneuvering.

 

Engine Details

HP / kW
  • 300 / 224
Maximum RPM (WOT)
  • 5000-5400
Engine type
  • V8, 2-valve/cylinder pushrod
Displacement (L)
  • 6.2
Bore and stroke
  • 4.0 x 3.75" / 101.6 x 95.25 mm
Fuel requirement
  • 90 RON 10% Ethanol Maximum
  • Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system
  • SmartCraft PCM 112
  • Standard SmartCraft with DTS
Fuel delivery system
  • Computer controlled Multi-Port Electronic Fuel Injection (MPI)
Starting
  • Electric (turn-key)
  • Smart Start Electric
Air induction
  • Performance-Tuned Scroll Intake Manifold
Ignition
  • SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt
  • Fully regulated belt-driven 70 amp (882 watt)
Water drain system
  • Air Actuated "Season Extender"
Exhaust system
  • Through transom
Cooling system
  • Fresh water cooled (closed cooling)
Lubrication system
  • Integrated wet sump
Recommended oil
  • NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system
  • SmartCraft Engine Guardian
Gear shift
  • F-N-R
Transmission and Ratio
  • 63 A: 1.216, 1.5:1, 2.0:1, 2.5:1
  • 63 IV: 1.5:1, 2.0:1, 2.5:1
Dimensions (L x W x H)
  • 28 x 30 x 22" / 696 x 740 x 559 mm
Weight (engine only)
  • 862 lbs / 391 kg