When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If both the tubes/pipes you are talking about have upper terminations under the tank n drop out through the front of the swingarm I would suggest that one is for the
fillercap spill/overflow n the other for the tank breather.