2018 Yamaha F25 Portable Mechanical ES F25SWC Outboard Motor

Trim code F25SWC is the entry point of Yamaha's 25-hp portable range: a 432cc two-cylinder four-stroke at 126 lbs dry, riding a 15-inch shaft with remote-mechanical steering and a key-turn electric start, no tiller handle involved.

Setup checklist

Measure your transom against the 15-inch shaft, and confirm your console takes remote-mechanical steering rather than a tiller before you order, since converting a tiller boat to remote control later is rarely a simple swap. Bore and stroke come in at 65 by 65.1mm, and the gearset reduces at 2.00:1.

Power and feed

Fuel injection on this block skips the battery entirely, aided by a built-in decompression device for easier pulling if you ever start it by hand. Alternator output sits at 16 amps, and Yamaha's YDC-30 alloy carries a five-layer anti-corrosive paint process standard across the line, worth knowing if the boat sees mostly salt water.

Common questions

Why pick this over the LC version? This is the shorter, lighter build with tilt-only adjustment; the LC trades some of that weight saving for electric power trim and a longer shaft, which some trailer boats need for proper prop immersion.

Pleasure coverage on this trim runs three years, limited commercial coverage runs one. Browse more Yamaha outboards if a different control type suits your boat better.