I own a 2014 Ferris 20HP (Kawasaki) FW35 (52") walk-behind with approx. 40 hours on it. I used it thru-out the summer (2015) and it worked perfectly. Approx. 3 days ago, I had to move it out of my garage, in order to access some packages. The mower started normally and I moved it. I left it...