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Old November 6th, 2016, 06:11 PM   #12
Motofool
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Name: Hernan
Location: Florida
Join Date: Mar 2011

Motorcycle(s): 2007 Ninja 250

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Quote:
Originally Posted by acook3323 View Post
So with the now throttle response I pulled the diaphragms out and the spring on that side was bent and kind of screwed up could that be the issue there?
It could be.
Those diaphragms are activated by the vacuum of the engine and move those tapered needles up and down, which allows more or less fuel into the stream of air being drawn into the cylinders.

This is how the CV (constant velocity) carburetors work:

Link to original page on YouTube.

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