What age can you race Tillotson T4 Senior?

The Motorsport UK Karting Yearbook gives the age range as 15+. From the calendar year of the 16th birthday, or from the 15th birthday with a Kart National licence, or any International ITE licence holder.

What is the minimum weight for Tillotson T4 Senior?

161 kg for kart and driver, with a minimum driver weight of 52 (under 16) kg, according to the Motorsport UK Karting Yearbook.

What tyres does Tillotson T4 Senior use?

Maxxis T4 for dry conditions and Maxxis T4 Wet for wet conditions.

Classes / Senior

Tillotson T4 Senior

4-stroke Senior version of the Tillotson T4 engine. Single-chassis class.

The essentials

Ages: 15+From the calendar year of the 16th birthday, or from the 15th birthday with a Kart National licence, or any International ITE licence holder.
Minimum weight: 161 kgDriver at least 52 (under 16) kg
Number plates: Yellow/Black
Dry tyres: Maxxis T4Set from £167.60 inc VAT
Wet tyres: Maxxis T4 WetSet from £183.31 inc VAT
Class owner: Tillotson

From the Motorsport UK Karting Yearbook 2026, Version 1.1, page 72. Check the current regulations with the class owner before you buy.

Next steps

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Questions

What age can you race Tillotson T4 Senior?: The Motorsport UK Karting Yearbook gives the age range as 15+. From the calendar year of the 16th birthday, or from the 15th birthday with a Kart National licence, or any International ITE licence holder.
What is the minimum weight for Tillotson T4 Senior?: 161 kg for kart and driver, with a minimum driver weight of 52 (under 16) kg, according to the Motorsport UK Karting Yearbook.
What tyres does Tillotson T4 Senior use?: Maxxis T4 for dry conditions and Maxxis T4 Wet for wet conditions.

Other Senior classes: IAME X30 Senior, Rotax Senior Max, TKM Extreme. All classes.