V6 4.2L 300 / 250 / 225 hp

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Description

300 HP

Our 4.2-liter F300 is a reliable, offshore favorite—and it's only getting better. It now features a fresh, new cowling design (with engine-mounted Propeller Indicator Lights if rigged with Helm Master® EX), new integrated digital electric steering*, and rerouted exhaust for enhanced reverse thrust. It’s destined to be a top choice offshore for years to come.

  • Recommended fuel: 89 Octane
  • Shaft lengths available: 25”, 30”, and 35” (30" and 35” on F300 DEC only)
  • Alternator output: up to 70 amp
  • Available in signature Yamaha gray, pearlescent white, and classic white

    • *Mechanical F225, F250, and F300 models remain unchanged and are available in gray only.

    Specifications

    ManufacturerYamaha
    ConditionNew
    Weight †250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs)
    Full Throttle RPM Range5000 ~ 6000 rpm
    Fuel Induction SystemEFI
    Recommended Engine OilYamalube® 4M (See owner's manual)
    Engine TypeV6
    Displacement4.2L
    Bore x Stroke96 x 96mm (3.78 x 3.78 in)
    Prop Shaft Horsepower300hp at 5500 rpm
    Alternator Output at W.O.T.50 - 70 Amp
    Compression Ratio10.3:1
    Recommended FuelOctane 89
    Recommended Fuel FiltrationYamaha 10-Micron Fuel / Water Separating Filter (external)
    C.A.R.B. Rating3-Star
    ExhaustThrough Propeller
    Intake24
    IgnitionTCI Microcomputer
    Spark PlugLFR6A-11
    Starting SystemElectric
    LubricationWet Sump
    Engine Oil Capacity6.3L/6.0L
    Recommended CoolingThermostatic Control
    Ethanol Blend Limit10% Maximum
    Gear Ratio1.75:1
    Gear ShiftForward, Neutral, Reverse
    Shaft Length25" - 30" - 35" (F300 DEC Only)
    Degree of TiltMechanical 67°, Digital Electric Steering 69°, Bolt-on steering 70°
    Degree of Trim-3° through +16°
    Mounting Centers28.5"
    SteeringIntegrated, Electric Actuation
    Steering Angle (maximum)32° from center, either direction
    WarrantyLimited 3-Year Pleasure, 3-Year Government, 1-Year Commercial