I picked up a 1981 maxim xj650 at auction for 150 with only 24000 miles . they started it I bid and got it. after doing paper work went to get it and would not start.after a few minets of fidling the ignition switch fell apart. I replaced it with new one.all light lite up but wont start, I jump the starter and turn it over fine but now no spark.Please can some one help me