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503 Identification

by Joseph Mufdi in 2 Stroke Technical Questions 5 years ago

I'm looking at buying a Rotax 503. This is the only number I currently have. M5441183. Can anyone tell me something about the engine? Thanks!

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Re: 503 Identification

by RotaxOwner Admin » 5 years ago

RotaxOwner Admin

59 1.58k 13.8k

5441183 was produced 24-July-2001

The factory database has no further information on that engine ( not even the model number...).

Hopefully the current owner has its engine log book!

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Re: 503 Identification

by Joseph Mufdi » 5 years ago

Joseph Mufdi

3 5 3

I highly doubt he has any logs. That sure would be nice. I'm trying to figure out what it is. DCDI or a DCSI. His pics do not show the top of the engine and I didn't think that Rotax made a 503 with a single CDI.

23610_2_rotax 2.jpg (You do not have access to download this file.)

23610_2_rotax 3.jpg (You do not have access to download this file.)

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Re: 503 Identification

by Joseph Mufdi » 5 years ago

Joseph Mufdi

3 5 3

Thanks for responding. It was much appreciated.

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Re: 503 Identification

by Joshua A Kendall » 5 years ago

Joshua A Kendall

0 4 2

Looking for a date of production for m5171494. Thank you

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Re: 503 Identification

by RotaxOwner Admin » 5 years ago

RotaxOwner Admin

59 1.58k 13.8k

5171494 was produced 24-Nov-1998

(no additional information is found in the factory database)

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