A "lunatic" motorcyclist who posted an internet video of himself performing wheelies at speeds of up to 136mph was jailed for three months today.

Sandor Ferenci was spotted doing a six-second stunt on the A422 near Banbury — balancing on his rear wheel as he travelled past other cars.

Oxford Crown Court heard the 28-year-old then performed five or six other manoeuvres before slowing down for a speed camera — then speeding away sharply while doing another wheelie.

Witnesses reported the bike's registration number to police, who visited Ferenci at his home in Fulwell Close, Banbury.

Brian Payne, prosecuting, said: "The defendant volunteered the information, saying 'I know why you are here — it is because of the YouTube video'.

"It was, in effect, a different matter. Inquiries were made and a clip was found on YouTube."

Mr Payne said police officers analysed the footage and calculated Ferenci's speed to be up to 136mph, but said this could not be confirmed.

He added one of Ferenci's friends, who had since left the country, had filmed his stunts a few days after the incident on the A422 in June.

Ferenci, a qualified nurse who works as a carer for an elderly woman in Banbury, admitted two charges of dangerous driving and asked for a third to be taken into consideration when sentencing.

Gary Bell, defending, said Ferenci — who is originally from Romania — had no previous convictions and had vowed never to ride a motorbike again.

He said: "The riding was extremely dangerous. He accepts that there was a danger to other road users.

"The prosecution says he was thrill-seeking and I have to add to that there was a great deal of showing off.

"He knows now that the driving was utterly unacceptable. He is remorseful for what he has done. He is truly sorry that he ever did it in the first place.

"The behaviour which is exhibited in that video is wholly out of character."

Jailing Ferenci for 12 weeks and banning him from driving for two years, Judge Terence Maher said: "It is impossible to attribute any precise speed to you, but one can say that you carried out these lunatic and grossly irresponsible manoeuvres on your motorbike at some considerable speed.

"Apparently this was a desire on your part to show off and also to give yourself some form of thrill.

"The message must go out that if you drive in this way and you are caught, serious consequences must follow."

Speaking outside court, Sgt Bryan Smith, of Bicester Roads Policing, said: "By behaving in this way he clearly put himself and other road users at risk.

"It is just incredibly dangerous.

"I am hoping today's outcome will serve as a deterrent to others."