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I was wondering if someone can clear my doubts. I have a cbr400 aero(nc23) that i'm trying to rebuild. The carburetor has 4 t-shaped inlet tubes. I know which one is for the gasoline, but the other three seem to draw air from somewhere. Can somebody tell from where exactly? I don't even have the air filter so i have to build something like it, but i need to know how does this work.
Excuse my ignorance, please.
 

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I was wondering if someone can clear my doubts. I have a cbr400 aero(nc23) that i'm trying to rebuild. The carburetor has 4 t-shaped inlet tubes. I know which one is for the gasoline, but the other three seem to draw air from somewhere. Can somebody tell from where exactly? I don't even have the air filter so i have to build something like it, but i need to know how does this work.
Excuse my ignorance, please.
I can only work from the exploded diagram in the manual.
The two small "T" pieces between the outer pairs appear to be overflows.
The small "T" between the inner pair appears to be the fuel inlet.
The large "T" between the inner pair appears to be a vent to the airbox.
 

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