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Old 07-07-2009, 01:34 PM
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Pablo Pablo is offline
Master Bike Builder & Forum Sponsor
Join Date: Dec 2007
Location: Duvall, WA PNW
Posts: 3,649
Default Re: new carb and noisy expansion pipe exaust

What kind of carb?? Did you spend some time to dial it in?

What expansion chamber? Most have a small nipple for a silencer and a muffler. With a secondary muffler it can be reasonbly quiet - only loud at WFO.
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