Tohatsu 20HP | MFS20EEFL

The Tohatsu MFS20EEFL is a tiller-steered 20 hp four-stroke with electric start, a 20-inch shaft, and electronic fuel injection, weighing 106 lbs. Tohatsu tuned the EFI system on this engine to stretch fuel range at wide-open throttle compared with an equivalent carbureted motor.

Why EFI matters at full throttle

Fuel injection here is set up to get meaningfully more range out of the same tank at wide-open throttle than a carbureted equivalent would, which matters most if you run this motor hard rather than at trolling speed. The two-cylinder, 333cc block tops out near 6,100 rpm, with 5,400 marking the low end of that band.

What ships with it

The propeller and the 3.1-gallon external tank with its fuel line travel in the same crate as the charging system; a small kit of spare parts, the kill-switch cord, and the printed manual fill out what's left. The 20-inch shaft should match your transom height.

Q: Does electric start need a separate charging source? No, the built-in charging system supports it, keeping the install about as simple as the manual-start tiller motors in the lineup.

Tohatsu backs the MFS20EEFL with a 5-year warranty. Since EFI has no choke or float bowl to gum up, it tends to start more reliably after sitting idle than a carbureted motor of the same size would.