Mercury Optimax 225 HP – Some call it a two-stroke. Some call it direct injection. Others simply call it the best-performing outboard on the water. From the rocket hole-shots to the unmatched top end, OptiMax sets the standard for power, acceleration, and fuel economy.

HP / kW
  • 225 / 166
Engine type
  • V-6
Displacement (L)
  • 3.0
Full throttle RPM
  • 5000-5750
Fuel induction system
  • 2-stage Direct Fuel Injection (DFI)
Alternator amp / Watt
  • 60 amp / 756 watt (Belt-Driven)
Recommended fuel
  • 87% octane / up to 10% ethanol
Recommended oil
  • Mercury OptiMax/DFI Outboard Oil
Engine protection operator warning system
  • Low oil level
  • Over-rev
  • Overheat
  • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
  • Yes
Controls
  • Remote Mechanical
Steering
  • Remote
Shaft length
  • 20″ / 508 mm
  • 25″ / 635 mm
  • 30″ / 762 mm
Gearcase ratio
  • 1.75:1
Dry weight *Lightest model available
  • 225kg
Emissions Star Rating
  • 3
Ignition
  • SmartCraft ECM 70 Digital Inductive
Fuel system
  • 2-stage Direct Fuel Injection (DFI)
Gear shift
  • F-N-R
Gearcase options
  • Standard
Trim system
  • Power Tilt
  • Power Trim
Counter rotation
  • Available
Color
  • Phantom Black