Great pix and story! In a couple of pix it looked as if the bike were looking at the "blocked" bridge as if to say, "Hmmm! Should I just DO IT?".
I wouldn't worry about using black fuel line since it isn't visible in any of your pics. Personally, I think the black would go better with the other colors on the bike anyway.
And, you sure do have some nice country to ride in around S.L.O.! When I lived in So. Cal. I used to ride around there a lot. Had friends that lived there, too. Solvang is great to ride to for lunch and to shop, too! What's the name of that little restaurant the has a steak as big as a big plate? I ate the whole thing once! JUST once! Never again!
Your pix make me wish I was still living out there! So many great places to ride!