Thread: whining sound
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Old May 10th, 2010, 12:51 PM   #29
QuarterBoreNinja
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Name: D
Location: Michigan
Join Date: Mar 2010

Motorcycle(s): Why do you care?

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I'm quite sure they're vented or you wouldn't have fuel flow for long, you'd end up with a vacuum in the fuel tank. Both of my '09's have SSR caps and are not having any sort of fuel issues. The cap is designed for racing bikes so I'm sure SSR did a bit of R&D on them...
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