Regulations for the Bemsee 250cc Race Class are a combination of the ACU Road Race Regulations (which apply to all classes) plus the Technical Regulations laid down by the British MZ Racing Club.
Racing MZ Engine Manual – new for 2020
ACU Handbook – Road Racing Standing Regulations
Rain Lights required from 2015 – you must have one fitted all the time!
MZ Technical Regulations 2023 Onwards – PDF
Other helpful information which are worth a read:
A Guide to MZ Race Bikes – Advice from MZ racers
Electronic Ignition – A How to guide – PDF
MZ Gearing Calculator – XLS
MZ Tuning Guide – PDF
If you are unable to find what you are looking for, then please post on the Technical Forum and someone will get back to you.
Alternatively you can contact a member of the MZ Technical Committee. Details on the Contact Us page.
