Hi. I took out the pontoon yesterday and we periodically would shut off the motor to switch kids on tubes to tow them. At times, the motor would not start right back up when I would turn the key. I had it in neutral and was not pushing in the choke. This also happens from time to time at the dock when starting. Any sense of what might be going on, or what could be about ready to go out, if anything?? Or is this normal.