broken shoulder bolt

I learned two bad things today and i'm going to ask some (possibly) obvious question just to get your opinions The PO broke off a sump plate bolt. The on on the front edge on the right side. I could get it out but it would suck. I don't want to pull the engine and i don't have a drill i could...

So I am in the process of changing my rear tire. I tried to removing the exhaust on the right side. Didn't seem to give me enough room to get the axle out. Did a search saw a post indicating that if you remove the shock the swingarm would go a little lower. So I was in the process of doing just...