Repsol Honda's Marc Marquez said there were too many 'negatives' with a new HRC swingarm he tested during free practice at Misano on Friday.

Marquez ran the new upgrade in FP1 and again in FP2 at Honda's request to gain more information, but did not persevere with the swingarm on Saturday.

"I tried yesterday the new swingarm but it was a prototype for Honda to try to understand; I tried in FP1 and it was not working, I didn't like the feeling but there was some positive things," Marquez said.

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"Honda asked to me if it was possible to try again in FP2 because they need more information and I say okay, but it was a good time to try for them.

"We tried but then we forget because there were too many negative points but there were positive points that were really interesting and it was information for the future."

Meanwhile, the reigning MotoGP champion concedes that his Yamaha rivals may have an advantage when it comes to tyre preservation during Sunday's race, although Marquez was satisfied with his rhythm on a used tyre in FP4.

"It's true that it looks like Yamaha in the other races the life of the tyre is better, but here in the opposite way I feel better with the used tyre than the new one," he said.

"With the new one we have a lot of problems, with the used one the bike looks a little bit easier to ride but also we are sliding a lot in the entry of the corner and also the exit.

"We will see but the thing with the used tyre in FP4 the rhythm was not so bad, it was similar to Yamaha but it's true that they are able to give the rhythm easier," added Marquez.

"I will try to keep in front of them and keep the concentration 100 per cent and try to manage well the tyres."

Marquez also gave his thoughts on confirmation that the Indianapolis round has been dropped from the MotoGP calendar next season, with a round being held instead at the Red Bull Ring in Austria.

"For me Indianapolis was a good circuit and I would like more races there in the USA, but we change Indianapolis for Austria and the Red Bull Ring GP," Marquez said.

"I was there two days and it looked very interesting, so we will adapt our riding style to the other track."