I've had my 400XT livin outside under my deck Sept, October and most of Nov. rolled it inside and took the seat off. i didn't weigh it but wow it had a ton of water in it. I used my shop vac to suck it out of the foam but now all the staples are rusted. Anyone else had this problem and did you talk to the dealer ( Warranty ). The two square hole up front seem to be the culprit water tracks right in.