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candgp
01-25-2012, 02:54 PM
I there some where to get a manual that tells in detail how to disassemble and assemble a rotax 503?

ov1guy
01-26-2012, 06:21 PM
Down load it from the Rotax website.

ajpaero
01-26-2012, 07:38 PM
Download the Maintenance Manual from this link.

http://www.rotax-aircraft-engines.com/desktopdefault.aspx

You can also download the Installation Manual, Operators Manual, etc. on the same website.


A.J.

candgp
01-27-2012, 10:22 AM
Thank you for your response, but I have looked at all of these sites at Rotax and they are not giving enough detail about steps of disassemble assemble, what tools to use, measurements and such. I may have to send it to a certified repaired center, but I like doing mechanical work myself as I have on auto and heavy equipment most of my life. Thanks again for all responses. Gary

laurill
01-27-2012, 11:03 AM
Contact California Power Systems and order their catalog. It contains a section called "The Proper Care and Feeding of The Rotax Motor." Phone # 1-800-247-9653 or website www.800-airwolf.com (http://www.800-airwolf.com).

candgp
01-27-2012, 12:59 PM
Thank you I just ordered the catalog after reading your reply,

s9pilot
01-28-2012, 05:49 PM
You can get a 503 rebuild video here http://www.ultralightnews.ca/videos/.
I can't say if it gives you torque specs, as I haven't actually seen it, but might be helpful to see how its done.
S9pilot

candgp
01-30-2012, 11:26 AM
Thank you, it looks like it might be some help, and worth ordering it's not that expensive.