Motorcycling - New Bridgestones cause problems for Rossi

Bridgestone's new generation of tyres have caused nine-time world champion Valentino Rossi some dfficulty on the second day of MotoGP testing at Sepang, inducing chatter in the factory YZR-M1.

Motorcycling - New Bridgestones cause problems for Rossi

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MotoGP Sepang test: New Bridgestones cause chatter for Rossi

The Doctor, however, is fairly pragmatic and thinks that Bridgestone will do some more work with the rubber before the season starts. Rossi is also focusing on engine strategy as new maps for fuel consumption have monkeyed around with the throttle connection.

Rossi still managed to knock half a second off his laptime but is still a good gap behind leader Marc Marquez, who dropped under the 2'00 barrier for the first time.

[LINK: Day two report and times]

"Is positive because first of all I did a 2'00.4 and I improve my laptime from yesterday, close to half a second is ok. I stay half half a second from Marquez, who is on the top and he is very strong. He is the guy today who make the difference because the other guys, we are very, very close altogether," said Rossi, speaking at Sepang.

"We continue to work, also with the new tyre, and I expect the new tyres will be better but in reality we have some problem with our bike we have to fix. Not big difference but we have to improve and a lot, a lot of test with the engine for the fuel consumption because it become a bit more nervous and the connection when you are on the edge is a bit more rough so we have to make the right balance.

"With the new tyres, I expect to go faster but the bike is like we go a little bit out of balance and give us some problems for some vibration. Not a big difference. Is a pity as I expect to go faster. We have to work."

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