Swing Arm Flex? - Sportbike Forum: Sportbike Motorcycle Forums
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post #1 of 4 (permalink) Old 03-07-2003, 06:22 PM Thread Starter
Join Date: Apr 2002
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Swing Arm Flex?

I was looking at the new ZX-6R/RR with my friend, comparing it to the new R6, when my friend noticed that the swingarm on the ZX-6R/RR was not braced. He told me that under extreme cornering loads swing arms will actually flex. Does anyone know about this phenomena. Would the ZX-6R/RR suffer from this phenomena more than the R6 would because its kick'n swing arm?
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post #2 of 4 (permalink) Old 03-07-2003, 07:30 PM
Join Date: Nov 2000
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Unless your an top AMA pro rider I doubt you'll ever put enough cornering force to flex the swingarm. A really good hit from a pot hole on the street may not even flex it.

Flex is not always a bad thing, Some top GP and AMA riders like flex in the frame or swingarm. If the frame and swingarm are too stiff it will either just break in 2 pieces or cause the bike to loose traction, neither of these is good, so flex is not bad after all.

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post #3 of 4 (permalink) Old 03-09-2003, 06:20 PM
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Location: Torrance,CA. USA 90504
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Also, the gixxer 600's don't have braced swingarms either, yet..Aaron Yates managed to capture the #1 plate for this year...

Old, Slow, but ...Smooth
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post #4 of 4 (permalink) Old 03-12-2003, 07:55 AM
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Location: Central., NJ USA
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Colin Edwards complained about his RC51 being too stiff for the 1st half of last year. From Laguna Seca on he rode faster and more relaxed. What did they do? The removed the rear upper motor mount bolt from the bike. Viola! A little more frame flex.

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