17a. Why is the answer to. Risk covering motor racing in suit. Befit
6d. Why is the answer to. Rubbish picked up in London that's crammed into boats . Oakum
I struggled to parse some too:
23 Authorise a run in fast cars, small ones (2-5). Go-carts, but why?
8. Press don't win in court (6). Closet? Can that mean press?
12 Play better than most characters (5). Outdo?