Lewis Smart took control during free practice as he beat his rivals to the fastest lapby more than a second.
Smart clocked a 1min 39.930sec lap to beat Kalvin Kelly by 1.004secs, as points leader Ted Wilkinson was third. Fourth quickest was Carl Harris, with Brodie Gawith fifth.
Tracker Kawasaki British Superteen, free practice:
1. Lewis Smart (Smart Racing) 1:39.930s
2. Kalvin Kelly (ROKiT Rookies) +1.004s
3. Ted Wilkinson (The Fire Place Racing) +1.308s
4. Carl Harris (Team SBR Kawasaki) +1.310s
5. Brodie Gawith (ROKiT Rookies) +1.802s