Hey there. I bought a 97 katana off someone knowing that it needed a little work. stripped down a bunch of it. cleaned the carb and sparks, new battery, refreshed K&N. I DID get the bike started. took it for a small jaunt yesterday... but the bike is just running rough. Does NOT sound like an inline bike. SOME issues idling. throttle delays as well as unexpected "take offs". Ive been advised to do carb syncing... but while doing a little more research, I was told It might be valve issue too? The bike supposedly ran good before it sat for a couple years. Just looking for some incite on what my next best move is. I was also wondering if valve adjustment would screw up synced carbs? and while im thinking of it... I cleaned the carbs off of "generic info". Is there anything specific with the katana carbs that you need to be accounted for? thanx guys.