The burglary happened some time between 6pm on Thursday 13 February 2014 and 7am on Friday 14 February 2014 at Barry’s Coaches on Cambridge Road.
The offenders forced their entry through a window and stole a Stomp Juicebox 110cc motorbike.
Police Constable Alison Gale, of Weymouth police, said: “I am now able to release a picture of the stolen bike.
“I urge anyone who witnessed the burglary, has seen anything suspicious in the area at the time or has information about those responsible to contact Dorset Police.
“I would also like to hear from anyone who knows of the whereabouts of the bike or has been offered such a bike in strange circumstances or for an unusually low price.”
Witnesses and anyone with information should call Dorset Police in confidence on 101, quoting incident number 21:355. Alternatively, call the free and anonymous Crimestoppers line on 0800 555 111 where mobile phone tariffs may apply.