Marc Marquez bounced back from his mechanical failure at Silverstone, taking top spot honours in FP1, four tenths clear of the rest of the field. Michele Pirro - Ducati test rider, finished the session in a surprise second, with Andrea Dovizioso completing the top three. There were a number of crashes, including Johann Zarco, Bradley Smith, both Team Suzuki Ecstar riders - Alex Rins and Andrea Iannone and Aprilia team mates Aleix Espargaro and Sam Lowes. Top ten: 1. Marc Marquez, Repsol Honda Team - 1:33.556 2. Michele Pirro, Ducati Team +0.432 3. Andrea Dovizioso, Ducati Team +0.619 4. Cal Crutchlow, LCR Honda +0.640 5. Danilo Petrucci, OCTO Pramac Racing +0.663 6. Jorge Lorenzo, Ducati Team +0.942 7. Dani Pedrosa, Repsol Honda Team +0.989 8. Maverick Vinales, Movistar Yamaha MotoGP +1.036 9. Johann Zarco, Monster Yamaha Tech3 +1.146 10. Jonas Folger, Monster Yamaha Tech3 +1.230 Full results at motogp.com