Second fuel line into fuel tank

[steved]

I've been trying to find out what the second line into my fuel tank does. I have heard it refered to as the 'vacuum line'? Any enlightenment would be appreciated. :hug:

[Gazzar]

I've been trying to find out what the second line into my fuel tank does. I have heard it refered to as the 'vacuum line'? Any enlightenment would be appreciated. :hug:

If it is the vacuum line as the motor picks up REVs the vacuum opens the fuel flow up by opening the diaphragm in the fuel tap.On the old GPX250 i had if the vacuum pipe came off the tap the motor would not REV:brick:


Gary

[jonbuoy]

Yup stops fuel coming from the tank and flooding carbs and engine when the engines not running - like the old fuel tap. Don't forget to connect it if you take your tank off....