A few questions about Mazda 626 GF 2.0 BJ 2001

Huhu dear Mazda community, since I am now also a proud owner of a Mazda’s 626 GF 2.0 Exclusive, now a few questions arise for me. On the one hand I have read somewhere that some Mazda motors are so-called “freerunners”, my question is now also true to mine? My Mazda is no longer the youngest (BJ 2001) and has just bought down 74TKM (with 72TKM). Normally you should change the timing belt according to the instructions all 90TKM. But now the tooth is Should I change it sooner?! Must say that car runs perfectly and I am very satisfied with the purchase because I bought it for a very good price and I have heard only good about the stamina of this row as long as it is maintained. And until now this specimen has been well maintained and that should stay that way, so that it still gives me a lot of joy. By the way, is my first car ;D Greetings kaLtura