I recently bought a 2014 Kawasaki Ultra 310x with about 50 hours on it. Runs fine on the water but when I flush it it fills up the cylinders with water? I start ski then turn on water hose and attach it to left port and run it for about 5 minutes. I then remove hose and turn off ski after a small blip of the throttle. I then connect hose to intercooler and flush for a couple of minutes. Am I doing somethin wrong? Or did I buy a big problem? Thanks for reading, Ron.