I have carbs leaking fuel to pistons, time to clean carbs.
Are you talking hydro locked?
If you don't know what the above is, search it and read about it.
Most are feeling the carbs are in need of new floats. Then there is also the petcock
The problem mainly is with the fuel stop rooster.
not closing off the fuel when the bike isn't running, drains through the open float to the piston.