/us buying guide

Outboard Small Motor: The 30-Second Match for Portable Boaters

Your motor lives in a closet, rides in a trunk and gets carried down a dock. So weight and handle matter as much as horsepower. Here is the fast match.

One-hand carry modelsBuilt-in fuel tanksGas and electric
Simple definition

An outboard small motor is a lightweight, portable engine, usually 2.5 to 6 HP gas or a compact electric, that clamps onto a small boat by hand and can be carried by one person.

Grant’s apartment-balcony fleet

Grant lives on the third floor. No garage, no trailer, no shed. His boat is an inflatable that folds into a bag, and his motor has to live on the balcony next to the tomatoes.

That rules out most of the outboard catalog before he even looks at horsepower. He needs something one hand can carry down three flights of stairs, that fits in a hatchback, and that will not leak fuel all over the car.

He landed on a 2.3 HP four-stroke at about 30 pounds with a built-in tank, then later tried a friend’s Torqeedo Ultralight and liked it even more for the stairs: the battery comes off and the motor gets even lighter. Both push his dinghy to the sandbar and back with room to spare.

For portable boaters the question is not “how much power?” It is “how much can I carry, every single time?”

Which outboard small motor matches my boat?

Find your boat, read across. Weights are approximate for short-shaft models.

Your boatMatchApprox. weightFuelFrom
Inflatable tender, 8–9 ftHonda BF2.3About 30 lbBuilt-in tank$1,200
Kayak or canoe with mountTorqeedo Ultralight 403 ALight, battery removableLithium battery$1,499
Inflatable, 10–11 ftMercury 3.5 HPAbout 40 lbBuilt-in tank$1,270
Rowboat or 12 ft car-topperYamaha F4About 60 lbBuilt-in, external optional$1,720
12–14 ft aluminum, calm waterHonda BF6Around 60 lbBuilt-in, external optional$2,080
Dockside tip: Lift the motor in the store or check the spec weight, then add a few pounds for fuel. If you cannot carry it comfortably 50 yards, you will start leaving it at home.

What makes a small motor truly portable?

Four features separate a real grab-and-go motor from one that just happens to be small.

  • A carry handle that balances. The motor should hang level, not swing into your leg.
  • An integrated fuel tank. No hose or separate tank to haul on short trips.
  • Tool-free clamps. Hand screws that tighten onto the transom in seconds.
  • A clear storage side. The manual shows which side it can lie on without leaking oil. Learn it before you pack the car.

Outboard small motor: FAQ

What is the lightest small outboard motor?

Among gas motors, 2.3 to 2.5 HP four-strokes weigh around 30 to 40 lb. Electric motors with removable batteries, such as the Torqeedo Ultralight, can be lighter per piece to carry.

Can I carry a small outboard in my car?

Yes. Drain or close the fuel, lay it only on the side the manual allows, and pad it with a blanket. See our guide on how to transport a small outboard motor for the full steps.

How far will a 2.5 HP go on a tank?

Built-in tanks on 2.5 HP motors hold roughly 1 to 1.5 liters, typically good for around an hour at full throttle and longer at low speed. Carry spare fuel in an approved can for longer trips.

Is electric or gas better for a portable motor?

Electric is quieter, cleaner and easier to store indoors. Gas gives more range and quick refueling. Short trips and apartment storage favor electric.

Small enough to carry. Strong enough to get you home.

Tell us your boat and how you store it, and we will name your portable match.

Find My Portable