Movistar Yamaha's Jorge Lorenzo was left frustrated at Aragon after claiming two defective rear tyres hampered his progress as he qualified on row three in seventh place.

Lorenzo, who finished second behind team-mate Valentino Rossi at Misano, was over a second behind the fastest lap set by Repsol Honda's Marc Marquez.

The double premier class champion doesn't expect to be in a position to challenge for victory on Sunday and instead has set his sights on fighting for the final place on the rostrum.

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"Today we had two wrong [rear] tyres, defective tyres, first in the morning and then in the second practice," Lorenzo said.

"I pushed to the limit and I was taking some risks, but I improved only one tenth, when normally I would improve three or four tenths or half a second.

"The lap times from Marc and Dani were very fast today so this combination of things left us between seventh tenths and one second slower."

Assessing the problem with the Bridgestone tyres, Lorenzo said the issue had also affected team-mate Valentino Rossi throughout the season. Indeed, Rossi spoke of having one 'wrong' new tyre in final practice at Aragon.

"The tyre didn't offer the same grip as normal. It's not the first time this has happened; it's happened to Valentino three times and to me in Jerez and today two times," Lorenzo said.

"The consistency of performance in every tyre worries me and today these things make us even slower.

"I think our real position is not seventh, it's not first or second, and it's not one second slower than the fastest one; we have quite consistent pace so maybe we can fight for third or fourth position," Lorenzo added.

"I think our pace is not that bad compared to our grid position so if we can make a good start and be patient we can fight. The first two corners will be difficult, then little by little we can make some positions and fight for the podium."

Rossi qualified one place ahead of Lorenzo to earn a second row start by 0.020s.