Ducati's 2012 MotoGP prototype will keep away from a head-to-head assessment with rival 1000cc machines from Honda and Yamaha, after the factory announced that this year's 800cc bike will be used at Monday's official post-race test at Brno.
Ducati has already used five of the eight days of 1000cc testing acceptable with MotoGP riders this year - compared with two days for Honda and none for Yamaha.
All the preceding factory 1000cc tests have been detained in private, but that will change on Monday in the Czech Republic with Honda and Yamaha both confirming that their factory MotoGP riders will try 2012 bikes.
However Ducati has determined that both Valentino Rossi and Nicky Hayden will offer that day to working on the 800'.
“The Test Team tried some electronics updates at Mugello, and we'll use them in the post-race test at Brno to carry on improving the setup and reduce the gap to the lead group," said team manager Vittoriano Guareschi.
"Filippo [Preziosi] will be on hand Monday, and we'll carry on the development work on the GP11.1 with both Valentino and Nicky.”
While Rossi will go on to ride the GP11.1 throughout the grand prix weekend, team-mate Hayden - who completed his first laps on the customized bike during Friday practice at the previous US GP - revealed that he is probable to use the original GP11.
"Obviously the test on Monday will be really significant for us. I'll almost certainly just ride the GP11 on the race weekend and then test the new bike on Monday," said the American.
Rossi and Hayden will start round eleven (of 18) holding fifth and seventh in the world championship, with one podium apiece so far this period.