Rex’s “Rita Revival” Repair for Lucas Rita AB5


In stock

Product Downloads

Lucas Rita Testing & Wiring Guide


For many years the Lucas Rita was an extremely popular choice for British and European bikes as well as for cars. Even today there is still strong support for this system so we have produced our “Rita Revival”, a simple drop in replacement designed as a ‘repair at home’ fix for aged and failed Rita electronics.

There are two versions, this is for AB5 boxes. The electronics are identical but this has AB5 specific wire colours and the mounting detail is different. The correct version for the metal Rita box must be selected as they are not interchangeable.

There is no need to send your failed unit for repair, a skilled and competent mechanic can replace the old board quickly and easily.

Early AB5 units had a power hungry transistor which consumed a lot of power the Rita Revival uses far less.

To ensure our Rita Revival is fully compatible the ignition timing is exactly the same using the original sensor.


✓Modern coil driver only uses far less power than original Rita ignitions.

✓Use specified HT coils with a total primary resistance of not less than 3.6 ohms.

✓Comes with pre-soldered wires that match original colours

✓Competent mechanics can fit at home*

✓Wiring guide for AB5 & AB11 available to down load.

✓ Available to ship worldwide.

✓One year warranty.

✓Made in England.

*Our technicians can fit the new electronics if you prefer not to do this yourself. Fixed price service.

Important: Three cylinder machines.

The Rita Revival can be used for three cylinder machines, however only if one of two specified HT coils configurations are followed. When connected to thre HT coils the unit comes with a 6 month warranty, from date of purchase. Driving three HT coils from a single drive transistor places the coil driver under maximum load all the time.

Additional Information

Weight0.2 kg
Country Of Origin

You may also like…