Tormo won the 1978 FIM 50cc world championship as a member of the Bultaco factory racing team. He repeated as 50cc world champion in 1981 on a privately backed Bultaco. He was also a three-time 50cc Spanish national champion and a four-time 125cc national champion.
During the 1984 season, Tormo suffered severe leg injuries in a crash that occurred while he was test riding a motorcycle in an industrial park near the Derbi motorcycle factory in Barcelona. His serious injuries ended his racing career.