Yamaha 25D Manuale Utente Scaricare il pdf (Pagina 27)

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4 Clean and Efficient The F70’s advanced

vapor separating and trapping features keep

vapors from escaping when the outboard isn’t

in use, and ensure only fuel is injected into

cylinders for maximum efficiency and

minimum emissions.

5 Class-Leading Horsepower-Per-Liter

The F70’s advanced single overhead

camshaft design with four valves per cylinder

and a 17% larger intake valve area give it

incredible power.

6 Power and Efficiency Multi-Point

Precision Electronic Fuel Injection delivers the

exact amount of fuel needed for optimum

performance and efficiency.

7 Security Our optional Yamaha Customer

Outboard Protection (Y-COP™) disables the

outboard’s ignition system with the press of a

button on your wireless key fob. (See page 43.)

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1 Outstanding Hole Shot Thanks to

an advanced sensor that allows maximum

safe ignition timing and a gearcase that

features a high 2.33:1 gear ratio for

outstanding acceleration.

2 Greater Protection By working in

concert with the optional boat-mounted

10-Micron Water Separating Fuel Filter, a

large on-engine water separating filter removes

water and contaminants from fuel before

they reach other filters and fuel injectors.

3 Lightest Weight A specially designed

engine block, two-piece upper case and

10% lighter pistons and valves* make the

F70 up to 142 pounds lighter than its closest

four stroke competitors.

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Compared to Yamaha’s T60

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MotorBoating 2009

Best of the Year

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