2019 Classes & Regulations

Classic 50cc – Click here for detailed regulations for the Classic 50cc class

Formula 400 – Rules as per ACU Handbook

Formula 600 – Rules as per ACU Handbook

Steel Frame – Rules as per ACU Handbook

Pre Injection – Rules as per ACU Handbook

Classic up to 250cc – Machines in this class must comply with the specifications, regulations issued by the CMRC ACU standing
Regulations.

Classic 251cc & over – Machines in this class must comply with the specifications, regulations issued by the CMRC ACU standing
Regulations.

Post Classics Air Cooled up to 500cc – Click here for detailed regulations

Forgotten Era – Click here for detailed regulations for the Forgotten Era class

Twins – Click here for detailed regulations for the Twins class

401cc – 1300cc – Rules as per ACU Handbook

Upto 500cc – This class is open for any multi cylinder machines up to 500cc, no single cylinder machines will be eligible for this
class.

Freetech – Click here for detailed regulations for the Freetech Class

Streetstock 125cc – Click here for detailed regulations for the Streetstock 125cc class

Streetstock 125cc EVO – Click here for detailed regulations for the Streetstock 125cc EVO class

Single Cylinder – This class is open for any single cylinder machine, no multi cylinder machines will be eligible for this class.

Trans-Irish Match Race – Click here for detailed regulations for the Trans-Irish Match Race on 6th October 2019