Anyone here run Encore mowers? I bought a new 48 with a 14 Horse KAW on it last August and ive been having problems with it dying on me. It will run great on small yards but when i have it running for more then 2-3 hours at once it dies. I will look down and there is no fuel in the filter. I have had it in 6 times now. They have replaced fuel lines and filters and even put a new gas tank on it. But it still does the same thing. Anyone have any advice for me?