husq yth21k46 tires are cheap, cheap, cheap. need flatless replacement

i have a yth21k46, and want to make the current tires flatless or replace them with a flatless or a tire that's tough and won't go flat just by looking at a thorn.

1). what's a good product to make a lasting flatless out of my current tires?
2). what's a good source for new on rim flatless tires. preferrable where i don't have to recite tire and hub info, but instead simply divulge my make an model.
3). same as 2 but simply a good tire that doesn't go flat from a thorn.


thanks.

-howard.

its a common prob put a tube in them then u wont have to worry anymore till the tread is gone ...All mowers do it because dirt and crap get up under the bead ..I just put a tube in them and forget about it

it's not a bead issue. The tires are paper thin. any small thorn makes them leak. I need a flatless source. thanks.

good luck there all thin