You're thinking of * Moto Roader * (or Moto Roader MC ) for the SNES/Super Famicom. There is no game officially titled Moto X on the SNES. "Moto X" is a common shorthand for motocross (dirt bike racing).
This is a great starting point for a niche topic. Since "moto x snes rom" is a bit ambiguous, here’s the most likely interpretation and the "interesting" angle you’re referring to: moto x snes rom