wheels won't turn

After a couple of days de-tangling my badly twisted cable, I discovered that both right tires are not turning. I can turn the front wheel while out of the water, but I noticed that the wheel gear on the back side of the wheel assembly skips over the smaller drive gear, and that the wheel is...

My Polaris 380 was working great (rpms/pressure/backup valve/etc) except that each morning the wheels would get stuck (not move). I could pull it out the water, give it a turn and it would get going. Every article on wheels that wouldn’t turn had me making sure the wheels all turn together to...