You can do it. Once you do these things one time, you will have the confidence and do it more quickly the next time.
If you find water in the carb bowls and decide to drain the tank, leave a little bit in the tank. Take the tank off, shake it around and pour the remaining gas out. This can help remove any trash in the tank.
If you find water in the carb bowls and decide to drain the tank, leave a little bit in the tank. Take the tank off, shake it around and pour the remaining gas out. This can help remove any trash in the tank.