Detectives are appealing for information following the incident on Thursday evening.
A PSNI spokesman said: “At approximately 6pm around four males, some believed to be armed with knives, approached the motorcycle rider in the Springfield Road area and took the bike.
“The rider, a 17 year old male, was not injured but was left shaken after the incident.”
Detective Constable Siobhan McIlhone added: “The motorbike was later seen in the Beechview Park area.
“I would ask anyone with any information about this incident to contact detectives at Musgrave Police Station on the non emergency number 101.
“Or if someone would prefer to provide information without giving their details, they can contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111.”