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Mercury MerCruiser 6.2L 300HP Inboard

Mercury MerCruiser 6.2L 300HP Inboard - Proven technology, rock-solid reliability and an unbeatable combination of performance and fuel efficiency.

HP / kW
  • 300 / 224
Maximum RPM (WOT
  • 5000-5400
Displacement (L)
  • 6.2
Engine Type
  • V8, 2-valve/cylinder pushrod
Bore & 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 Digital Inductive
  • 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 / Wat
  • 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 (LxWxH) in
  • 32 x 30 x 22" / 813 x 762 x 559 mm
Weight (engine only)
  • 862 lbs / 391 kg