Hi all, I put my boat in the water for the first time in a while today, and she started first go (as expected) however after running for approx. 10 mins, when I went to put into neutral, it was revving like it was about to blow up. If I put back into gear, it went back to wear it should have been revving. It made it interesting coming back to the ramp....... Any suggestions why this would be?????