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The cancellation of the Qatar MotoGP race and the Thai round of MotoGP in Buriram throws MotoGP’s regular schedule into a bit of disarray. The deadlines under which the MotoGP manufacturers were working have suddenly been opened up again.

Factories without concessions – Honda, Suzuki, Yamaha, and Ducati – were due to homologate their engines this week, ahead of the first race, and all six manufacturers were due to submit their aerodynamics packages for homologation, although aerodynamics packages can vary per rider.

Similarly, teams were due to submit their gearbox ratios ahead of the first race, with a maximum of 24 different gearbox ratios and 4 different final drive ratios allowed during the season.

So now that Qatar and Thailand have been canceled or postponed, what happens next?

Marc Marquez has already lost one of his engines from his allocation of five for the season. The engine in the bike Marquez was forced to park against pit wall during qualifying at Austin can no longer be used, Marquez admitted to us.

The engine problem occurred during Marquez’s qualifying run at the Grand Prix of the Americas in Austin. As Marquez was about to start a hot lap, he saw a warning light come on on the dashboard of his Honda RC213V.

The world champion had been told by his HRC engineers that if he saw that light, he was to stop as quickly as possible, which he duly did. The problem forced him to sprint back to his pit box, leap on his spare bike, and race out of the pits for a last-gasp dash for pole.

It resulted in a spectacular lap, which gave him pole position, from which he went on to take a convincing win.

When the rules limiting the number of engines each MotoGP is allowed to use were first introduced, their usage was followed hawkishly.

After pressure from veteran US journalist Dennis Noyes and myself, and with the assistance of Dorna’s incredibly efficient media officer, IRTA and Dorna were persuaded to publish the engine usage charts.

These were pored over constantly, searching for clues as to who might be in trouble, who may have to start from pit lane, and who would manage until the end of the season. How the world has changed since then.

Cal Crutchlow called it right on Friday. “We know the Hondas take a little bit longer to set up, but when they come out Saturday morning, they normally take a second off.”

It was more like half a second on Saturday morning, but by the afternoon, Dani Pedrosa took nearly 1.6 seconds off his best time on Friday, smashing the pole record which had stood since 2008.

That was a lap set on the supersoft qualifying tires still used at the time, which had Nicky Hayden happily reminiscing about the fun to be had on the sticky one-lap rubber.

It was an extraordinary lap by Pedrosa, though the Honda man himself was not overly impressed. When asked if it was his best lap ever, Pedrosa acknowledged that it was good, perhaps one of his best, but still not as good as his lap at Valencia at the end of last year.

The defense of Jorge Lorenzo’s MotoGP championship faces a further obstacle. In addition to having to fend off an unleashed Dani Pedrosa, and the rookie sensation that is Marc Marquez, the Yamaha Factory Racing rider now has to deal with a looming engine shortage as well.

Just six race weekends into the 2013 MotoGP season, and the factory Yamaha riders are already using the fourth of the five engines that they have for the entire season. With two thirds of the season left to go, the Yamaha men will face a serious challenge in making their engines last until the end of the season.

Two-stroke GP racing is expected to die next year, and the announcement of the Moto3 class is expected to occur during the GP Commission’s meeting at the Czech GP in a couple days. Scheduled to meet on Friday, the GP Commission has been hammering out the details on the 250cc single-cylinder four-stroke racing class that will replace 125GP in 2012, and will likely make an announcement after Sunday’s race.

Similar in concept to the Moto2 class, the most notable difference is the rumor that the Moto3 class will not be a spec-motor series, meaning any manufacturer can build a thumper and compete in the series. Considering the large number of manufacturers that already have experience racing 250cc singles, we can expect an array of bikes to be on the grid in 2012.