The venerable PW50 is where so many riders get their start. The entry-level two-stroke is the smallest and easiest to ride of Yamaha’s dirt bike family.

Twist the throttle until it feels ready to jump out of its own skin. That’s exactly where a 125cc two-stroke like the Yamaha ...

He does, though, have two specifications of Yamaha’s inline-four engine to try in Aragon, where the V4 variant of the YZR-M1 is still absent. “We have two engines,” Fernandez said.