Originally Posted by tony the tiger
I googled that and wound-up on a page
I've seen before.
still too complex for me, but...
yep. that's where I got the idea. The hardest part is bending the copper tube just right. Well worth it.
2015 KTM 690 Enduro R, 2008 Yamaha WR250R, 1971 Lambretta DL