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Old April 17th, 2010, 06:57 AM   #3
Thrak
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Name: None
Location: Atlanta
Join Date: Feb 2010

Motorcycle(s): Lots

Posts: 55
Its the little valve on the left of the carbs, works kind of like the petcock with a little diaphragm. It injects (or not) air into the carbs under certain conditions.

I'm not sure what those conditions are, or what its purpose is. Emissions?
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