Loris Baz's Avintia Racing team confirmed that no mechanical failure was detected on his Ducati Desmosedici following the Frenchman's terrifying 180mph spill on the second day of the Sepang MotoGP Test.

Baz came off on the main straight and a tyre failure was later put forward as the cause of the accident, with Michelin withdrawing the soft rear compound used by Baz at the time of his accident.

The incident caused a delay of more than one hour, but fortunately Baz escaped without injury despite the high speed involved.

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A statement from Avintia said: "Fortunately, he walked away without injury and after analysing all the data of the bike, no mechanical failure was detected on his Ducati Desmosedici GP. It is now up to Michelin to analyse in detail what was the cause of this tyre failure."

Baz, who had lapped in 2m 02.611s on his 12th lap as he ended the day 18th following his accident, admitted he had been 'fortunate'.

"The start of the day was good. We used the soft tyre to try to improve the lap times and, although the lap was not incredible, we were able to improve the lap time from yesterday," he said.

"But then we had a problem with the rear tyre and I crashed out at 290 km/h and my bike was destroyed. Fortunately I was unhurt, but you always loose energy after this kind of accident, because even if you don't have anything serious, you feel all your muscles like if you have been training during 20 hours.

"My mechanics made a great job to put the bike back on track for the last two hours. It was not bad, but I felt a little bit tired riding the bike and I didn't want to push and crash again," he added.

"But I matched the same lap time from yesterday testing some suspension parts that I didn't like too much."

There are suspicions that Avintia may have been running the rear tyre under the recommended pressure, but the team insisted:

"Avintia Racing has always followed the recommendations of the engineer assigned to the team by the French tyre manufacturer."

Tyre pressure sensors, which will log tyre pressure in real time, are expected to be made compulsory for the start of the season.

Riders will again be restricted to the hard tyre on the final day of testing.