The clip, gotten by editors at Britain’s The Sun on Sunday paper, is stated to have been shot throughout the manufacturing of his 2011 documentary Never Say Never.
In the short video, Bieber appears to ask pals, “Why are black people scared of chainsaws?”.
It is the current blow to the vocalist, who counts prominent African Americans consisting of Usher and rapper Lil Wayne among his celebrity pals, amidst a storm of legal troubles.
Bieber, 20, will appear in court in July to face charges of DUI, resisting arrest without physical violence and driving with an ended licence following his arrest in Miami, Florida earlier this year.
He is also dealing with prosecution in Toronto, Canada, where he is implicated of involvement in the claimed assault of a limo motorist throughout a night out in December.