2017 Yamaha Outboards Portable Four Stroke F2.5

Portable Four Stroke F2.5

The sun just broke the horizon, but your day began hours ago-the second you started your trusty Yamaha Portable. Maybe you're skimming the marsh in a jon boat during duck season, pushing a sailboat 'til the wind kicks up or hopping to the cuddy on a tender. Wherever the day takes you, these nimble, lightweight, efficient portables are up for the ride. Available in a range of horsepower from the F20, to the F2.5, including the redesigned F8 with 7.5 percent more displacement, these 1- or 2-cylinder dynamos provide big performance in streamlined designs.

Information

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Specifications

Engine Specs
  • Engine Type : One Cylinder
  • Displacement : 4.4 ci (72 cc)
  • Bore x Stroke : 54 x 31.5mm (2.13 x 1.24 in)
  • Prop Shaft Horsepower : 2.5 hp @ 5500 rpm
  • Compression Ratio : 8.8:1
  • RPM Range : 5250 ~ 5750 rpm
  • Fuel Induction System : Overhead Valve
  • Exhaust : Above Propeller
  • Intake : Carburetor
  • Cooling : Water/Thermostatic Control
  • Ignition System : TCI
  • Spark Plug : CR6HSB-000-000
  • Starting System : Manual
  • Degree of Trim/Tilt : 4 positions / 79°
  • Oil Capacity : 0.35L(0.37qt)
  • Recommended Engine Oil : Yamalube® 4M (See Owner's Manual)
  • Gear Shift : Forward, Neutral
  • Gear Ratio : 2.01:1
  • Shaft Length : S=15", L=20"
  • Recommended Fuel : Regular Unleaded (Minimum Pump Octane 87)
  • Steering Angle (maximum) : 360° from center, either direction
  • Weight : F2.5SMHB = 17kg (37 lbs), F2.5LMHB = 18kg (40 lbs)
  • CARB Rating : 3-Star
  • Warranty : 3 Year Limited Pleasure Boat - 1 Year Limited Commercial
  • Recommended Fuel Filtration : Yamaha Mini 10-Micron Fuel/Water Separating Filter (external)
  • Spec Weight : 7