Yep, it's not going to be a 10 minute job.
Battery out... slide the airbox back and then you've room to wriggle the carbs out of the inlet rubbers.
Not sure whether there's enough clearance to get sufficient access to undo the screws and replace the outer rubbers without disconnecting the carbs completely. If you're doing all four you'll certainly need to get the carbs right out. All fairly straightforward, don't forget the carbs are connected to the coolant circuit.
