(From their 10th birthday, or during their 10th year with permission, until 31st December in the year of their 13th birthday)
IAME Water Swift Inter
- As per MSUK Gold Book Regs
- Number Plate: Yellow/Black
- Weight: Driver – 31kg min | Kart and Driver – 110kg min
- Tyres: Komet K1D-M (Slick), Komet K1D-W (Wet)
Honda Inter
- As per MSUK Gold Book Regs
- Engine: Honda GX200QHQ4 or GX200QX4 (“R200” variant)
- Fully sealed by Anderson-CSK Motorsport
- Number Plate: Yellow/Red
- Weight: Driver – 33kg min | Kart and Driver – 110kg min
- Tyres: Mojo C2 (Slick), Mojo CW (Wet)
Rotax Inter Max (Mini Max 950)
- As per MSUK Gold Book Regs
- Engine: Rotax FR125 Inter (from engine #8626234 or higher)
- 2025 barrels required
- Number Plate: Yellow/Black
- Weight: Driver – 33kg min | Kart and Driver – 115kg min
- Fixed Gearing: 13t front / 80t rear
- Tyres: Mojo C2 (Slick), Mojo CW (Wet)
