No....not common, so put on your Thinking Cap and start with the basics of tune-up adjustments. You don't say how many miles you have....ever adjust the valves? Even check them? Plugs and cap ends can cause issues also.
as guys here recommended, check first all those simple things / adjustments before you dig more in.
did bike sat for long time? old plugs, dirty air filter, TPS out of whack, dry rotted vacuum lines... how many miles on her ? any maintenace done on it on regularly? it has power all the way to red line ?
...its a bit detective work but you at right place to find help