gas tank question

[Guest burke]

On the right hand bottom side of the gas tank there is a metal cylinder with two hose nipples on it. A large one on top that routes to the right side throttle body and a smaller one underneath that is not connected to anything on my bike (2003 v11 sport). It looks like a vacuum nipple or an air line but I cannot tell. Is this supposed to be connected to something? Am I missing a hose?

[callison]

On the right hand bottom side of the gas tank there is a metal cylinder with two hose nipples on it.  A large one on top that routes to the right side throttle body and a smaller one underneath that is not connected to anything on my bike (2003 v11 sport).  It looks like a vacuum nipple or an air line but I cannot tell.  Is this supposed to be connected to something?  Am I missing a hose?

48181[/snapback]

 

That's the atmospheric vent port for the fuel pressure regulator. It never gets hooked to anything unless you're one of the brave souls that's willing to experiement. To date - I've never heard of anyone hooking anything to it.

[Guest burke]

That's the atmospheric vent port for the fuel pressure regulator. It never gets hooked to anything unless you're one of the brave souls that's willing to experiement. To date - I've never heard of anyone hooking anything to it.

48183[/snapback]

 

 

Thanks!

[dlaing]

Some have experimented with routing a hose from there to some place with vaccum, like the air intake, or where you balance the throttle bodies.

This would effectively lean the bike out...NOT a good idea, unless you are going to completely remap the system. But even then, I don't think there would be benefits.

Although it is possible that the correlation of fuel and air could be more accurate???????????

I stuck a short hose on mine to reduce dirt getting in.

An inline fuel filter would be an even better idea.

But probably overkill...