Removing carb vent lines solves starvation mystery

invalid@example.com (Anonymous), Anonymous
Sun, 15 Nov 2015 23:01:25 +0000
Popular Technical Info

Ever since I've owned my '80 GS 450, even when it was bone stock, it had a strange problem of running out of fuel with a full tank. If I tried to cruise over 60, after a few minutes, it would "run out of gas." It would bog, surge, and almost die; symptoms identical to running the tank dry. After slowing down to 30 or so for a minute, it would return to running normally. I, of course, suspected crap in the tank, clogged fuel line, crap in carbs, classic stuff. After over a year of fooling...