Tyson was 221 and a quarter pounds when he fought Trevor Berbick for the WBC title in November 1986.
He weighed 219 when he took the WBA belt from "Bonecrusher" Smith in march '87.
And he was 221 when he beat Tony Tucker for the IBF belt in august '87.
He was 218 when he beat Michael Spinks for the linear championship in June '88.
WBC heavy weight
Mike Tyson competed primarily in the heavyweight division throughout his boxing career. The heavyweight class is for fighters weighing over 200 pounds (90.7 kg). Tyson, known for his incredible power and speed, became the youngest heavyweight champion in history at age 20. His weight typically ranged from around 215 to 220 pounds during his prime.
Mike Tyson was the youngest man to ever win a heavyweight boxing title but Floyd Patterson is the youngest ever undisputed world champion, though Patterson never fought in the multi commission ruled era of the WBC, WBA, & IBF.
If referring to the Heavyweight Champion of the world Mike Tyson, then, no he is not.
mike tyson
Tyson weighed 214 when he fough hector Mercedes in his first pro fight in 1985.
Muhammond aliMike tyson
Mike Tyson lost his heavyweight championship belt at the age of 25. This occurred on February 11, 1990, when he was defeated by Buster Douglas in Tokyo, Japan. At that time, Tyson was considered one of the most dominant boxers in history, making the loss a significant upset in the sport.
Trevor Berbick On November 22, 1986, Tyson was given his first title fight against Trevor Berbick for the World Boxing Council (WBC) heavyweight championship. Tyson won the title by second round TKO, and at the age of 20 years and 4 months became the youngest heavyweight champion in history
Mike Tyson hold the record for the youngest heavyweight champion of the world at 20 years, 4 months and 22 days old
mike Tyson aged 20.
Mike Tyson