Hey guys- new member with a 1986 1200 GL (88k miles) here and need some help. A couple of days ago, filled the bike up with premium (93 octane) gas. Pulled out of the station and hadn't gone more than a mile down the road and bike started to "sound" like it was not firing on a cylinder. turned around and took the bike back to the house. I first checked the fuel filter and found it to be very dirty. I guess since I let the tank get almost empty it stirred up 25 + years of garbage in the tank. Changed the filter & lines, cranked bike up and headed down the road...same problem. took it back home and checked plugs. All plugs were a little dirty but didn't look fouled at all. replaced the plugs for my own peace of mind and still have the power loss issue. Thought that I may have gotten bad gas, so drained the tank & cleaned it. Filled tank back up headed down the street...same problem. I had to replace the pulse generator on the bike about three months ago and haven't had any issues with performance until the other day. Any ideas of what I could look at next? Any and all help would be greatley appreciated. Thank you.