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Our 72-cc 2.5-hp portable outboard is the smallest motor on our roster, but it still packs a punch. Completely redesigned, it’s even more portable, easier to store and clean burning.


  • Available for tiller-handle control with forward-neutral shifting, 360-degree steering and an ergonomic twist-grip throttle
  • Only 37 pounds (15” shaft model)
  • Available in 15” and 20” shaft lengths


Engine Type1 cyl
Bore x Stroke54 x 31.5 mm (2.13 x 1.24 in)
Prop Shaft Horsepower2.5hp at 5500 rpm
Full Throttle RPM Range5250 ~ 5750
Alternator Output at W.O.T.N/A
Compression Ratio8.8:1
Fuel Induction SystemCarb
Weight †17 kg (37 lbs) - 20 kg (40lbs)
Recommended FuelOctane 87
Recommended Engine OilYamalube® 4M (See owner's manual)
Recommended Fuel FiltrationN/A

Yamaha 2.5HP Portable Outboard F2.5SMHB

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