2021 Yamaha Marine F15 Portable The F15 features all the benefits of a reliable Yamaha 4-stroke outboard in a compact, lightweight and portable package that rivals any 2-stroke. If you are looking for the ultimate in reliable, compact and efficient portable power for your boat, the F15 will deliver you many years of hassle-free performance. Features may include: HEAD OF THE CLASS The powerful, new twin-cylinder SOHC design boasts the largest displacement in its class. EASY DOES IT Maintenance is a breeze with easily accessible oil and fuel system components. FRONT & CENTRE Convenient front-mounted controls facilitate smooth shifting, easy, shallow water drive and single action steering friction adjustment. CARRY ON The carrying handle and brims are designed for easier carrying, mounting, and removing the outboard motor. ANTI-CORROSION PROTECTION Yamaha's unique YDC-30 aluminium alloy protects the engine's exterior parts, while a zinc coating, high-quality stainless steel and 5-stage exterior coating offers long-lasting protection inside and out.