cranks but won't turn over

  1. E

    Moped won't start. Cranks hard but won't turn over- no spark.

    50 cc Chinese scooter. After fueling up, I was turning on a road and my moped died. I put in the highest grade gas. I've charged and replaced the battery and the engine sounds like it's trying to start but just won't catch (sounds like what a car sounds like when it's dead). My break lights work...