This evening sees the second practice session during this year's Festival of Motorcycling.
Roads are due to close around the Mountain Course at 6pm tonight, and reopen no later than 9pm.
On Saturday, the first practice of the festival got underway in good conditions.
Austrian Horst Saiger recorded the fastest lap at 117.18mph.
Andrew Dudgeon came in second fastest with 115.39mph, while Australian David Johnson recorded a 114.67mph lap.
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