New friends whatz-up? after dealing with H.Ds for some 40 years I decided to try a metric restoration. I have 9 bikes, 2 hidden in the barn that my wife dose not know about yet.Here is my problem. 81 xs650, restored to tracker/cafe racer. runs great or did until yesterday. went on a short ride through loggy bayou, just as I pulled into drive it sputtered then quit.finally got it restarted, just sits there and backfires have flashbacks of Nam. checked coil, pick-up coil, stator valve settings carbs. need help