Despite the embarrassment of technically failing to even qualify for Sunday's Czech Republic Grand Prix, following a disastrous wet qualifying session, Yamaha's MotoGP rookies James Toseland and Jorge Lorenzo resisted the temptation to publically slam tyre supplier Michelin.

Michelin's rubber has once again been unable to compete with that of Bridgestone so far this weekend - the Japanese brand filling nine out of the top ten positions in both the dry and wet sessions around the new resurfaced circuit.

Whilst all the Michelin riders seem to be struggling to find a suitable front tyre, the three Michelin-shod M1s were hit particularly hard in the soaking qualifying session - Colin Edwards, Toseland and Lorenzo being left to prop up the grid in 15th, 16th and 17th places.

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Toseland and Lorenzo lapped a shocking 11.6secs and 12.0secs slower than pole sitter Casey Stoner, leaving them outside the 107% qualifying time required to start the race, although they will both be allowed to line-up on Sunday's grid due to the exceptional weather conditions.

Even Edwards lapped 8.4secs from pole, but the Bridgestone-shod M1 of Valentino Rossi qualified in a strong second position, 7.3secs ahead of the Texan.

"It is has been a very difficult day for me and the Tech 3 Yamaha team, but rest assured I'll wake up tomorrow and I will be going out rain or shine giving it my maximum effort as I always do. I am not going to throw the towel in no matter how difficult it gets," insisted Toseland, who suffered a front-end fall during the qualifying hour.

"I think it is obvious looking at the lap times where the problems are, but I'm not going to complain about anybody," he said of Michelin. "It is my job to go out there and do the best job on the package I have got right now and that's what I will do. But if not all of the elements of the package come together then it becomes very difficult.

"We'll see what happens tomorrow but the rain will have made the track dirty again and that could make it difficult for the slick tyres if the race is dry. I don't like starting from the back but if I can get a good start, hopefully I can get away with the bunch and have a good race."

Lorenzo, who qualified on pole for his first three MotoGP races, found being left in a distant last position tough to accept, but vowed to remain 'professional'.

"It's been a bad day," he began. "At the start of the qualifying it was drier and this is when I was in the garage trying to improve the bike with my team; I missed my chance and this is when the others set their fastest laps.

"I have had days almost as bad as this before, but I have to say that the fault is not all mine. I think that it is evident at the moment that our tyres are not working as they should. I am a professional however and I have to wait and have confidence in Michelin to find the right way forward.

"For tomorrow it's going to be important to get a good start and try to get in the top ten. The surface is very good but we don't have the grip we need, so whatever happens with the weather, it will be very hard," he confessed.

"We already had some issues with front grip in the dry yesterday and we thought that in the rain we would be able to improve," explained Lorenzo's Fiat Yamaha team manager Daniele Romagnoli. "Unfortunately things went even more wrong today and we couldn't find any grip for both the front and the rear. We tried all the tyres available and, even with the softest, Jorge didn't have enough confidence to ride at a decent pace.

"We had already tried some different settings this morning to try to improve the grip and this afternoon we tried some even bigger modifications, but the bike didn't react to the changes in the way we hoped because of the low grip level from the tyres.

"Tomorrow will be a really hard race because we're starting from last and, even if we can improve our pace in the dry, it's still going to be very difficult."

The highest placed Michelin rider in qualifying was Honda LCR's Randy de Puniet, in seventh position.

"Today's qualifying results were well below our expectations," said Jean-Philippe Weber, Michelin's director of motorcycle racing. "We are having some problems with our rain tyres here, and in the dry yesterday our front tyre performance wasn't good enough for our riders.

"We face a difficult situation, also considering our results at recent races. Now we must have some deep discussions with our partners in order to understand our problems, so that we can do everything in our power to create the best tyre options for the next races."