13.3. Competitors’ assistants using the authorised spare parts, auxiliary materials and tools located at the Station may carry out operations at main and intermediate Stations. The Vehicle must be stationary during such operations.
13.4. The Station may have tools, materials and equipment similar to that of a normal road service station.
13.5. All operations concerning refuelling, cleaning, tuning, fitting, replacement of wheels, tyres, spark plugs, injectors, electrical components, repairs and welding are authorised.
13.6. Welding of the fuel tank, its lines and attachments is prohibited at any Station but may be permitted at a designated place purely for the repair and under the supervision of an appointed Official and with suitable fire-fighting equipment at hand.
13.7. Replenishment materials are deemed to be: wheels, tyres, spark plugs, injectors, electrical components, water, oil, fuel, hydraulic fluids, hoses, fastening devices and items normally found at a normal road service station. Coachwork, body panels, window glass and exhaust systems( including turbocharger) shall be considered as replenishment materials.
13.8. Replenishment is permitted at the intermediate Stations.
13.9. Operations not permitted at Stations, may only be made by the Driver alone using the parts, tools and materials authorised for the Record Attempt.
13.10. Operations permitted outside of a Station or along the Course shall be those made by the Driver alone using the parts, materials and tools authorised for the Attempt and without any outside assistance.
13.11. Spare parts, auxiliary materials, tools and ballast carried on the Vehicle must be property positioned and firmly secured.
14. Records Over 10 Miles and Time Records
14.1. Except for replenishment materials, all spare parts and auxiliary materials not carried by the Vehicle shall be at the Main Station.
14.2. The equivalent total weight shall be carried by the Vehicle as ballast; the safety roll-over bar or cage(‘ ROPS’) shall be considered as ballast.
14.3. The total weight of the spare parts, auxiliary materials, tools and ballast carried by the Vehicle shall not exceed 5 % of the homologated or declared weight of the Vehicle, plus 20kg. The weight of the replenishment material is free.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 21 Appendix 1- General Provisions 782