hi i am new on here and also a new bike owner,i have a tdm 850 twin 1996, she was running but fail to start one morning i have checked all the obvious and come to the conclusion that there is no spark,so i would like to know if there is a common fault on there before i go buying a new coil or is there something i can check that i havent yet checked, any advise would be greatfully recived thank you.