Yamaha 2.5HP | F2.5SMHB

Weighing only 37 lbs, the Yamaha F2.5SMHB is a single-cylinder, carbureted four-stroke rated at 2.5 hp, with a 15-inch shaft, tiller control, and manual start. Sold new, it displaces 72cc and spins between 5250 and 5750 rpm at full throttle.

Who it suits

At 37 lbs with a built-in carrying handle and resting pads, this motor is meant to be lifted on and off a tender, dinghy, or small inflatable by hand rather than left mounted on a larger boat. A design that keeps the motor from leaking oil when laid on its side for transport adds to that portability, and steering swings 360 degrees from center with a twist-grip throttle on the tiller handle.

Before you order

This model uses a 15-inch shaft; Yamaha also offers a 20-inch version of the same engine, so confirm the shaft length against the boat's transom before ordering, since that cannot be changed afterward. Shifting goes forward and neutral only, worked through the tiller handle, with no reverse gear to engage.

Carrying and storing it

Because the whole point of a motor this light is portability, plan on lifting it by the built-in handle rather than the cowling, and rest it on its pads rather than laying it on the powerhead when it is off the boat.

What comes with it

• Propeller
• Internal fuel tank
• Owner's manual

Common questions

How much does it weigh? 37 lbs. Does the fuel tank mount externally? No, it has an internal fuel tank. What is the warranty? 3 years.