The “unsafe” tyre pressure rule that has MotoGP riders worried

To close up a grey area in the regulations, MotoGP rule makers have mandated strict enforcement of minimum tyre pressures on the front and rear compounds for 2023.

Revelations that many riders had been operating outside of the front limit last year prompted the rule change, though most argued when quizzed on it that they did so on safety grounds.

For 2023, riders and teams…