MotoGP title contender Dani Pedrosa will not take part in Friday's opening practice session for the US GP at Laguna Seca.

The Repsol Honda star suffered a small fracture in his left collarbone last weekend in Germany and was ruled out of the race due to dizziness and low blood pressure.

The Spaniard, who lost the title lead by two-points to rookie team-mate Marc Marquez during his absence, passed a medical check at Laguna Seca this morning.

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However, according to a Tweet from Repsol Honda, Pedrosa "will not take part in FP1 to avoid over stressing his shoulder. He'll be on track in FP2."

Yamaha's reigning champion Jorge Lorenzo - who re-damaged his broken collarbone last weekend in Germany - has also been passed fit to ride. Lorenzo, who underwent surgery to have a second plate fitted last Saturday, is expected to take part in FP1.

UPDATE: "I'm feeling a little better and decided to wait for this afternoon before going out on track," said Pedrosa after the session. "I haven't done any exercise since the crash which was almost a week ago so I still don't know my level. I need to go out and see how I feel, this is a difficult track with no areas to rest, so it will be hard but we'll try this afternoon."