Classes / Inter
Rotax Inter
Restricted version of the Rotax 125 Junior MAX engine.
The essentials
- Ages
- 10-13From the calendar year of the 10th birthday, with a Kart National licence.
- Minimum weight
- 115 kgDriver at least 33 kg
- Number plates
- Yellow/Black
- Dry tyres
- Mojo C2 CIKSet from £172.46 inc VAT
- Wet tyres
- Mojo CW CIKSet from £188.81 inc VAT
- Class owner
- JAG (UK)
From the Motorsport UK Karting Yearbook 2026, Version 1.1, page 36. Check the current regulations with the class owner before you buy.
Championships for Rotax Inter
Next rounds
- Sat 7–Sun 8 Nov 2026TKC, Autumn CupWarden Law Kart Circuit
- Sat 16–Sun 17 Jan 2027TKC, Winter CupWhilton Mill Kart Circuit
Where it's raced
Clay Pigeon Kart Circuit, Dunkeswell Kart Circuit, Fulbeck Kart Circuit, Glan y Gors Kart Circuit, PF International Kart Circuit, Rowrah Kart Circuit, Shenington Kart Circuit, Warden Law Kart Circuit, Whilton Mill Kart Circuit
Questions
- What age can you race Rotax Inter?
- The Motorsport UK Karting Yearbook gives the age range as 10-13. From the calendar year of the 10th birthday, with a Kart National licence.
- What is the minimum weight for Rotax Inter?
- 115 kg for kart and driver, with a minimum driver weight of 33 kg, according to the Motorsport UK Karting Yearbook.
- What tyres does Rotax Inter use?
- Mojo C2 CIK for dry conditions and Mojo CW CIK for wet conditions.
Other Inter classes: IAME Water Swift. All classes.