Tojo72
You can,but I would be careful of enamels,they could have a bad effect on them sometimes.
Enamel paint will not dry on rubber , or vinyl. I once used White enamel to letter some 1/25 scale tire's ...... two year's later, the paint was still "tacky" and collecting cat hair !
Don't even THINK about using anything laquer based. Your tread's will melt !
Acrylic paint, ( or any water based paint) is your best bet.