Technical Info

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.

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