A private two-day MotoGP test session is being held at Motorland Aragon on Tuesday and Wednesday.
The Factory Honda and Yamaha teams are both present, plus the satellite Honda LCR team. Ducati has chosen to test in private at Mugello.
World Superbike star Jonathan Rea is making his second appearance for Repsol Honda, with a view to replacing the injured Casey Stoner
at the forthcoming Misano and Aragon races.
Bradl got the chance to complete some laps on a factory Honda on Tuesday, while Yamaha's world championship leader Jorge Lorenzo
put further laps on the new '2013' chassis.
1. Dani Pedrosa
ESP Repsol Honda (RC213V) 1m 47.983s
2. Jorge Lorenzo
ESP Yamaha Factory (YZR-M1) 1m 48.471s
3. Ben Spies
USA Yamaha Factory (YZR-M1) 1m 48.647s
4. Stefan Bradl
GER LCR Honda MotoGP (RC213V) 1m 49.570s
5. Jonathan Rea
GBR Repsol Honda (RC213V) 1m 50.679s
(69)Official Aragon MotoGP records:Best lap: Casey Stoner
AUS Honda 1m 48.451s
(2011)Fastest race lap:Casey Stoner
AUS Honda 1m 49.046s
(2011)June 2012 Aragon MotoGP test - Best laps:Yamaha: Jorge Lorenzo
ESP Factory Yamaha 1m 49.187sDucati: Hector Barbera
ESP Pramac Racing 1m 50.196s Honda: Alvaro Bautista
ESP Honda Gresini1m 50.294s
* The Repsol Honda Team did not attend.