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While we attempt to ensure display of current and accurate data, this listing may not reflect the most recent transactions or may reflect occasional data entry errors. All inventory listed is subject to availability and prior sale. Please consult dealership personnel for details. Prices are quoted for the US only and may not include dealer preparation, transportation, taxes, or other applicable charges. Photographs may be representative only and may vary somewhat from the actual items offered for sale.

Yamaha 6 / 4 / 2.5 HP

Yamaha’s 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 with built-in carrying handles, resting pads and an oil-leak prevention system for on-side storage capability create true portability.

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Features
Specifications

Lightweight, Portable Power

They may weigh as little as 37 pounds, but these Overhead-Valve portable outboards are packed with features that create smooth, quiet power. This includes a CDI or TCI ignition system, an optimally balanced crankshaft, a long span mounting system and a labyrinth exhaust.

Ultra-Low Emissions

The Portable F6, F4 and F2.5 are California Air Resources Board (C.A.R.B.) Two-Star Rated for Ultra-Low Emissions and meet federal EPA requirements.

Record Setting Fuel Efficiency

Small motors use less fuel, but according to the Guinness Book of World Records, the Yamaha F4 actually set a world record for fuel efficiency, traveling 67.27 continuous statute miles on one gallon of gas.

 

 

Engine Type 1 cyl
Displacement 139cc
Bore x Stroke 62 x 46mm (2.44 x 1.81in)
Prop Shaft Horsepower 6hp at 5000 rpm / 4hp at 4500 rpm / 2.5hp at 5500 rpm
Full Throttle RPM Range 4500 ~ 5500
Alternator Output at W.O.T. 6 Amp
Compression Ratio 8.9:1
Fuel Induction System Carb
Weight27 kg (59 lbs) - 28 kg (61 lbs) / 17 kg (37 lbs) - 20 kg (40lbs)
Recommended Fuel Octane 87
Recommended Engine Oil Yamalube® 4M (See owner's manual)

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