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Old December 1st, 2001, 11:39 AM
cptngreg cptngreg is offline
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Default modify f80 yamaha to give 100 h.p...Dealer says it can be done but won't give in

The dealer I bought the motor from originally told me that the f80 and the f100 were the same motor (identical) except for some modifications - possibly to the carburation system - anyone know anything about this? Please help if you can! Thanks!
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Old December 1st, 2001, 11:41 AM
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JB JB is offline
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Default Re: modify f80 yamaha to give 100 h.p...Dealer says it can be done but won't giv

Ahoy, CptnGreg. The reason the dealer wont tell you is probably that he doesn't know. I don't either. Yamaha, like other manufacturers, doesn't want you to know and doesn't want their competition to know.If it's anything like the 2 strokes, it's much cheaper to trade than to try to hop up the lower HP version.Red sky at night. . .JB
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Old December 1st, 2001, 05:44 PM
MIKE F MIKE F is offline
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Default Re: modify f80 yamaha to give 100 h.p...Dealer says it can be done but won't giv

cptngreg,This doesn't really answer your question on Yamaha butthe new Evinrude 75,90 and 115HP engines are the exact same enginethe only difference is in theprogramming of the computer.
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Old February 11th, 2004, 07:18 AM
curtis1698g curtis1698g is offline
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Default Re: modify f80 yamaha to give 100 h.p...Dealer says it can be done but won't giv

DID YOU EVER FIND OUT IF THIS MOTOR CAM BE MODIFIED I HAVE A 2000 F80 THAT I HAVE BEEN LOOKING FOR THIS INFORMATION BUT DEALER REFUSES TO IVE OR DOSENT KNOW
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