81 honda cb750 custom battery

Hi, so I picked up this ‘81 cb750 a couple of days ago in need of a new battery, I replaced the old one with a brand new everstart tx14ah battery. When I first put the new battery in and started the bike, it started up with no problem, I turned it off, & turned it back on a few times, let it sit...

Im new to the bike world but Ive been wanting a bike for as long as I can remember and I finally picked one up the other day. I was told I got a steal ($400) and I believe it. Im the second owner. Its an 81 cb750 custom that had been garage kept its entire life other than the 3,500 miles its...