yeah, they are easy to replace. Worth buying a chain break and riviting tool.... if you plan on riding for a while, that is.
And your service manual will have specific instructions on how to properly tension/ adjust your chain. That's a little different from bike to bike. But putting on a chain is always pretty easy. And taking it off.... well, there's the right way, and the FUN way.
(i.e. hacksaw, axe, oxyacetaline torch.... or the boring chain break)
Oh yeah, go to any dealer and ask... or do a search, there was a thread about good chains a while back. Almost any sportbike website sells them, ronayers, kneedraggers, motorcycle-superstore, etc....