Sullivan Mounsey drew first blood as the R&G British Talent Cup roared into action, beating Evan Belford by 0.282secs with a hot lap of 1min 01.697s.
Amanuel Brinton was third quickest, 0.310s off Mounsey’s time, with Harrison Dessoy fourth and Ollie Walker fifth.
Defending champ Johnny Garness was sixth after he crashed out after just five laps.
R&G British Talent Cup: FP1:
1. Sullivan Mounsey (Wilson Racing/Maddison Media) 1.01.697s
2. Evan Belford (City Lifting/RS Racing) +0.282s
3. Amanuel Brinton (Kovara Projects/RS Racing) +0.310s
4. Harrison Dessoy (Microlise Creswell Racing/Eastern Garage Racing) +0.690s
5. Ollie Walker (Wright Morgan/SP125 Racing) +0.752s