Yamaha Outboard - F25SC. The Yamaha Outboard - F25SC delivers reliable 25-horsepower performance in one of the most compact, lightweight, and technologically advanced four-stroke platforms in its class. Designed for remote control steering and helm-controlled boats, this short shaft (15") model features electric start and power trim & tilt, making it an ideal choice for anglers and recreational boaters who demand convenience, control, and Yamaha's signature dependability.. Powered by a 432cc twi