Peg Perego John Deere Gator HPX "tightening belt" Questions

i parked my 6x4 gator jd and now the clutch spring stuck out The front spindle where the spring to tighten the belt is stuck out and will not slide how do i get it unstuck and the gator will not go ...

My Piaggio Vespa 125cc rear wheel has slight play. What could this be? It could be a few things. Starting with the most obvious; Loose wheel nuts ? Check and tighten if required.Loose hub nut ? Remove