Cooper clocked a best lap of 1min 39.276secs to beat Ash Barnes by 2.338secs, as Rhys Stephenson was third.
Edoardo Colombi, who led this morning’s times, could only find the fourth best lap, just ahead of Aaron Silvester.
Pirelli National Sportbike with Moneybarn Vehicle Finance, FP2:
1. Richard Cooper (PHR Performance Triumph) 1min 39.276s
2. Ash Barnes (Raceways Yamaha) +2.338s
3. Rhys Stephenson (Rocket Racing) +2.338s
4. Edoardo Colombi (Gradara Corse Asd) +3.475s
5. Aaron Silvester (MIH Solutions/Macadam Racing) +4.141s