Rotax 503 Manufacture Date

5323586 was produced 20-Oct-1999

It was originally sold by the European distributor https://www.moteuraerodistribution.com/en/home.html

But no other data is present in the factory database...

Hello!

Could you provide info for Rotax 503, S/N 3987357 ?

Thanks in advance !

Jean-Michel from France

3987357  was produced 15-Jun-1992

(The factory database contains no further information on this engine)

Could you provide any information for M5658967?

I'm not sure about that "M" prefix, but engine serial  5658967 was produced 17-Apr-2003

No model number, model, or engine type is given in the database, but it has this listed:

Description