Yamaha 25HP Outboard F25SWTHC

The Yamaha 25HP Outboard F25SWTHC is built for boaters who want maximum power in a compact, portable tiller configuration. Featuring Yamaha’s advanced 432cc four-stroke engine and battery-less EFI, this outboard offers excellent fuel efficiency, smooth acceleration, and dependable starting.

With a 15-inch short shaft, tiller steering, and power trim & tilt, the F25SWTHC is an ideal match for jon boats, aluminum fishing boats, and lightweight utility vessels.

Features and Performance

• 432cc SOHC Two-Cylinder Engine – Strong torque with smooth operation

• Battery-less EFI System – Reliable starts and optimized fuel delivery

• Power Trim & Tilt – Easy adjustment for performance and shallow water

• Electric + Manual Start – Flexible starting options

• Tiller Steering – Direct and responsive control

• CDI Microcomputer Ignition – Automatically adjusts timing for efficiency

• Freshwater Flush Port – Flush engine without running it

• Oil Retention System – Leak-free on-side storage

Important: This model is through-bolted and does not include clamps.

Why You Should Buy It

The F25SWTHC is a smart choice if you want a short-shaft 25HP tiller outboard with modern EFI and power trim & tilt. Built by Yamaha Motor Company, it delivers long-term reliability, excellent resale value, and confidence on the water—backed by a 3-year factory warranty.

FAQ – Yamaha F25SWTHC

Does this model include Power Trim & Tilt?
Yes. Power Trim & Tilt is standard.

Does the EFI system require a battery?
No. The EFI system is battery-less.

Is this a clamp-on motor?
No. This model is designed for through-bolting only.

What shaft length does this model use?
It uses a 15-inch (short) shaft.