there is a mechanical failure affecting the Kart. The Kart must be driven immediately to the pits or Parc Fermé for examination by a Scrutineer.
6.11. Black and White Chequered Signal shall be displayed to end a competitive or other session other than where a Red Signal has been deployed.
Motorsport UK National Competition Rules 2026 Edition 2
Chapter 18 Appendix 5- Race Procedures 664