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Old 08-01-2010, 03:13 PM
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GMP GMP is offline
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Good stuff. From what I saw there are not a lot of KTM 2-strokes at the dealers, at least so far. An early release of the '11 GGs will be perfect timing.

As far as DI, I read an article awhile ago where one of the big problems the marine industry had was oil retention in the top end. Yamaha eventually solved this with a new piston ring design.

The DI concept on a dirt bike is very exciting as you can eliminate the traditional expansion chamber, and still have a shorter (lower) motor than a 4-stroke. This opens up all kinds of possibilities to motor geometry. Perhaps that is what he was smiling about.
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