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Rotax 503 - Date of manufacture ?

by Owen Kitchin in 2 Stroke Technical Questions one year ago

Good day.

I have a Rotax 503 DCDI engine with serial number: 5172072 installed on my Aquilla Microlight Trike.

Can anybody help in providing a date of manufacture?

Any related info on this engine would be much appreciated.

Re: Rotax 503 - Date of manufacture ?

by RotaxOwner Admin » one year ago

RotaxOwner Admin

59 1.58k 13.8k

503 production ended in 2011, so it's not any newer than that...

here is the original spec sheet : https://www.rotax-owner.com/en/support-topmenu/technical-information/rotax-engine-specifications/3-503-specifications

and we have some service information posted here

https://www.rotax-owner.com/en/support-topmenu/engine-manuals#447-and-503-engines

Thank you said by: Owen Kitchin

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Re: Rotax 503 - Date of manufacture ?

by Owen Kitchin » one year ago

Owen Kitchin

1 3 11

Many thanks for this info - very useful!

On the manufacturing date / year question - is there anywhere that I'd be able to find this?

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