FourStroke 5 HP Propane

Reliability, Portability, and Power. Mercury’s 5hp FourStroke Propane outboard provides more convenience and less hassle. Now you can power your boat with the same propane used for your grill and eliminate the need to haul gasoline. The 5hp FourStroke Propane outboard with a large 123cc displacement offers best-in-class power by delivering a true 5hp.
5 Hours of Boating with 20lbs (5 gallon) standard propane tank (Approximate operating time at 5,000 RPM)
Sail Power models are designed for sailboats and feature an alternator and more thrust to control larger boats.
Ideal for aluminum tiller, inflatable or jon / utility boats.

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Delivering a clean-burning, powerful and easy-to-operate portable outboard

Starting at just 59.5 pounds (27.2 kilograms) the 5hp Propane FourStroke is light and easy to carry or transport. You can run it on the same conventional propane you’re probably using in your backyard grill, so there’s no gasoline to haul with the engine.

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FourStroke 5 HP Propane Specs

  • 5 HP Sail Power

    Mercury’s all-new 5hp FourStroke Propane outboard provides more convenience and less hassle. Sail Power model is designed for sailboats and features an alternator and more thrust. Ideal for sailboats, but also a good fit for aluminum tiller, inflatable or jon / utility boats.

    HP / kW5 / 3.7
    Engine type1 cylinder
    Displacement (CID/CC)7.5 / 123
    Full throttle RPM5000-6000
    Fuel induction system2-valve pushrod (overhead valve)
    Alternator amp / Watt4 amp / 50 watt lighting and charging
    Recommended oilMercury FourStroke Oil 10W-30
    Engine protection operator warning systemLow oil pressure

    Over-rev

    StartingManual
    SteeringTiller
    Shaft length20″ / 508 mm

    25″ / 635 mm

    Gearcase ratio2.15:1
    Dry weight *Lightest model available63.1 lbs / 28.6 kg
    CARB star rating3
    Bore and stroke2.32 x 1.77″ / 59 x 45 mm
    IgnitionCDI w/electronic spark advance
    Fuel systemPropane Mixer
    Propane ToleranceHD-5 (65% or greater propane)
    Cooling systemWater-cooled with thermostat
    Gear shiftF-N-R
    Gearcase optionsSail Power
    Trim positions6
    Exhaust systemThrough prop
    Shallow water driveYes
    Shallow water trim range (degrees)16
    Integrated fuel tank (gal / L)Not included
    Remote fuel tank (optional)Not included
    ColorPhantom Black
  • 5 HP

    Mercury’s all-new 5hp FourStroke Propane outboard provides more convenience and less hassle. With a large 123cc displacement, it offers best-in-class power by delivering a true 5 horsepower. Ideal for aluminum tiller, inflatable or jon / utility boats.

    HP / kW5 / 3.7
    Engine type1 cylinder
    Displacement (CID/CC)7.5 / 123
    Full throttle RPM5000-6000
    Fuel induction system2-valve pushrod (overhead valve)
    Recommended oilMercury FourStroke Oil 10W-30
    Engine protection operator warning systemLow oil pressure

    Over-rev

    StartingManual
    SteeringTiller
    Shaft length15″ / 381 mm

    20″ / 508 mm

    Gearcase ratio2.15:1
    Dry weight *Lightest model available59.5 lbs / 21.2 kg
    CARB star rating3
    Bore and stroke2.32 x 1.77″ / 59 x 45 mm
    IgnitionCDI w/electronic spark advance
    Fuel systemPropane Mixer
    Propane ToleranceHD-5 (65% or greater propane)
    Cooling systemWater-cooled with thermostat
    Gear shiftF-N-R
    Gearcase optionsStandard
    Trim positions6
    Exhaust systemThrough prop
    Shallow water driveYes
    Shallow water trim range (degrees)16
    Integrated fuel tank (gal / L)Not included
    Remote fuel tank (optional)Not included
    ColorPhantom Black

Interested In A FourStroke 5 HP Propane?

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