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Moto4 regulations

Engine capacity
Minimum 115cc/Max 125cc fourstroke or Max 50cc two-stroke.
The use of superchargers/turbochargers is prohibited.

Chassis
Any chassis may be used.

Tuning
No tuning restrictions. All bikes must have a fully sealed airbox with 1 hole maximun area of 4225mm².

Bodywork
Any race bodywork can be fitted.

Wheels
The only permitted wheel diameters are 16” 17” 18”.

Tyres
Any tyres permitted, tyre warmers are also allowed.

General
The only liquid engine coolant permitted is water
Oil sump plug and filler plug must be lock wired
A red rain light fitted to the rear of the Motorcycle.
Anything not mentioned in the above rules has to be agreed by the committee.

2024 Moto4
Champions
PowerTech Racing
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