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Leon Camier produced a season-best performance at Donington to claim two top 10 finishes.
He followed up a ninth in race one with a fourth in the second race during the fifth round event.
Camier's fourth came after narrowly avoiding a first corner crash, which cost him valuable time, and he looked to have been settling for a sixth place finish before drama on the last corner.
A collision between Leon Haslam and Marco Melandri saw Camier leap up to fourth - his best finish of the season so far.
It made for a successful weekend having finished ninth in the earlier race on the Suzuki GSX-R.
Camier (pictured) said: "I had the pace to be with the top guys and it felt good fighting and catching them.
"In race one, there was a problem with the brakes and I couldn't get into the turns the way I wanted and that prevented me from catching the guys at the front.
"We changed to a softer rear tyre for race two. My start was okay and if I hadn't been held up for so long by Laverty and Guintoli I'm sure I would've been challenging for the podium at the end. It was a really enjoyable race and great fun catching people and passing them."