Commercial Outboard Motors | Yamaha
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
Fuel Induction ..
Streamlined Intake Manifold
Long Span Mounting System
Four Stroke Engine Design
California C.A.R.B. Ultra Low Emissions 3 Star Rating
Engine Type: One-Cylinder
Bore x Stroke: 62 x 46mm/2.44 x 1.81in
Full Throttle RPM Range: 4000-5000
Horsepower Rating at Propshaft: 4h..
smallest Portables, the F6, F4 and F2.5, weigh in at as little as 37
pounds, with streamlined overhead-valve, one-cylinder designs. Their
light weights, combined wit..