I was riding earlier today, when suddenly i hear a pop under my seat, the next thing i know the bike dies. I start it back up to find that only the front cylinder is firing.i get it back home, remove the seat, to find battery acid everywhere, and the cap to battery popped, i believe that is where the pop sound came from. next thing i do is hook up brand new spark plugs to the back cylinder, no spark. everything else works electrically, but the back cylinder, which leads me to believe that the rear coil is bad. so here is my question, do you guys think my diagnosis is a pretty good assumption, I ordered a rear coil, so i should have it in a few days, and i plan on buying a new better quality battery. but as far as i am concerned it seems like the rear coil is the issue, because like i said, the bike will run on one cylinder, all electrical components works but no rear cylinder. just let me know what ya'll think.