I tried to find a previous post about this issue, but didnt find anything completely similar. I getting my '73 TX500 back to riding condition and tried to start it with the electric start. When I push the button, it sounds like it is engaging, then after a second or so, I hear horrible clanking coming from th left side of the bike. It sounds like a loose chain clanking around inside th cover. I took off the left cover thinking it may be the starter chain (the chain that engages the flywheel and starter motor) and I noticed when I looked at it, it looked to be a little droopy between the chain guide and the starter motor. But when I look at pictures of other guys similar bikes, they also have some droop. I dont want to purchase a new one if it is not that, but I cant think of what else it may be.