Help Water in Engine!

I submarine my KTM 400 EXC this weekend. I took water in to the engine in an unexpected. 4 foot deep mud hole. The bike tipped and took on water. I got it to start after drying the plug etc. I know I need to change the oil and filters, but is there a way to get more of the mud/ water out of the engine and do less long term damage. I know this is not a dirt forum, but I know we have a lot of knowledgeable MO's. Thanks for the help.