Andrea Dovizioso is keen to start the opening race of the 2015 MotoGP World Championship on Ducati's all-new GP15 after lauding the performance of the bike at Sepang.

Dovizioso pointed out that while there are still some issues with the Desmosedici, he feels there is a big margin for improvement with the GP15 based on his first impressions of the bike at the second test in Malaysia.

Ducati Corse general manager Gigi Dall'Igna is reluctant to make a decision on which bike will take to the starting grid at the Losail International Circuit in March until the GP15 is tested at another circuit, but Dovizioso appeared to firmly nail his colours to the mast at the conclusion of the third and final day of testing at Sepang.

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"I don't think so [use the GP14.3 in Qatar.] We can do what we want, from Gigi's side there is no problem, but I believe we have a big margin to improve the [new] bike and GP14.3 - no," said Dovizioso.

"We were able to make three days without any problems so this is important. The bike is very different compared to the last one and still we don't fix the distribution of the weight, so we have tried many set-ups to try to learn this bike but still we need more time to understand.

"In the middle of the corner the feeling is not 100 per cent but I think it is a consequence of the last part of braking, so we have to learn more about the bike," he added.

"But I am really happy with the base of the new bike because we fixed the problem [with the turning] and I am so happy with the work of our group, the engineers at home, because they did an amazing job."

Dovizioso, tenth fastest on Wednesday with a lap in 2m 00.468s but ninth overall on the combined times from the three days with a best lap of 2m 00.250s, said he is confident there is much more to come from the GP15.

"We wanted to try something very big but we couldn't about the set-up, but I think we will have [the chance to try the change] in Qatar. I think we have a big margin to improve so I think to be in the first test with the new bike we have to be really happy, because I was feeling really good and I believe that in this group we have a big margin to improve," he said.

"[There were] some problems from my side in late braking but we have to try something bigger and something different and I believe that from this test until next the test in Qatar, we will understand much more from the data to go to Qatar with a clear idea of which way we want to go and what way we want to try."

Dovizioso, meanwhile, gave his view on the change of venue for the British MotoGP this year, which will take place at Silverstone.

"Donington was a special track for me because I won in every class but Silverstone is unbelievable track, so I was happy in both tracks," said Dovizioso.