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post #1 of (permalink) Old 09-09-2003, 03:16 AM Thread Starter
Join Date: Mar 2002
Posts: 5,011
Official pics of the 2004 R1

Yamaha sez...
It begins with a third-generation, 998cc, liquid-cooled, short-stroke, 20-valve, in-line four-cylinder engine designed to make 180 horsepower power at a stratospheric 12,500 rpm. The shorter cylinder head is re-angled farther forward to 40 degrees, far enough forward to allow the main frame spars to go over the engine instead of around it.

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About 155-160 rear wheel hp and a 13,750RPM redline!

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