Sunday's Australian Moto2 Grand Prix has been reduced from 25 to just 13 laps due to tyre wear concerns from Dunlop for the new asphalt.

The full statement can be seen below:

"Following a formal request from the Official tyre supplier for the Moto2 class, Race Direction has taken the decision to adjust the race length for the Moto2 class for the Tissot Australian Motorcycle Grand Prix, 2013, according to Article 1.17.2 of the FIM Road Racing World Championship Grand Prix Regulations.

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"The decision was taken in consultation with the Official Moto2 tyre supplier in the interests of rider safety.

"The full race distance will be 13 laps, full Championship points will be awarded.

"Teams are also reminded of the update to Article 2.5.4.9 of the FIM Road Racing World Championship Grand Prix Regulations. Tyres must be used within the parameters as advised by the Official tyre supplier and approved by the Technical Director. Usage parameters include tyre pressure and temperature."