Motorsport UK NCR 2026 Edition 1 | Page 648
4.3. During Practice the number of Karts on the Track shall not exceed the number permitted in a Race by more than 10 %.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 18 Appendix 2- Kart Race Circuits General 648
Motorsport UK NCR 2026 Edition 1 | Page 647
Motorsport UK NCR 2026 Edition 1 | Page 649