G'day F deL,
Play and wear in the steering is a bit of a perennial one. Wear in the steering tie bar and the bushes therein etc. Give the steering wheel a wriggle to and fro and you'll soon see where the play is. When I finally got round to dealing with mine I made a new tie bar and made new bushes and that solved that. I took the opportunity when I made the new bar to create a modification so it has adjustable stops. I'll take photos of it and post them later.
Also, in the photo wheels seem to 'lean' ? Worn and missing king pin bushes or collapsed wheel bearings can be a thing.
Unfortunately the bearings in the drive pulleys do come loose sometimes but first confirm that the bearings are actually sliding in the pulley and that your not just looking at wear in the bearing which can give quite a bit of wobble at the outer diameter of the pulley (which is 'normal' up to a point)
If the bearings are physically sliding in the pulley then something will need to be done, I'm afraid. The 'something' will depend on how badly the pullies are worn in the bearing bore.
Also, looking at the photo above, the belt in the top pulley has rolled over? If this starts to happen it's time for a new belt and it's a good chance it is contributing to your issues. Also need to check that the belt tensioner is doing its job.
Cheers
