How to derestrict a 1984 Honda MTX 50?

I recently acquired a 1984 Honda MTX 50 (the uk model) and I've been told it's restricted to 35mph, just wondering is there a way to derestrict it? Wouldn't be surprised if there isn't? Also a few issues which I can't work out how to sort, like the low beam not working and the horn not working, anything would be much appreciated.

Read more: https://hondanews.net/how-to-derestrict-a-1984-honda-mtx-50.html