I need a user manual for my atlantic sprint 500 (2005)

arm and disarm it whilst listening to where it is.

Here

Here you go, this is the manual for your model:

http://www.wirefly.com/learn/manuals/lg-rumor/

It has the sprint emblems but it is just a user manual, ignore that it is from Sprint, all the same thing.

Hi
Remove the exhaust
Remove the rear fender
Off the rear brake caliper, keeping it tied to the oil pipe,
Unscrew and remove the screw (1).
Picture no.2 - Remove the cotter pin located on the wheel.
Picture no.3 - Remove covernut.
Picture no.4 - Unscrew and remove the axle nut. · Remove the exhaust support plate.
Picture no.5 - Remove the washer (2) located on the wheel. Remove the rear wheel.
Good luck,
Alex
PS-Don't forget to vote me, thank you!

http://manualfile.com/Motorcycle/Aprilia/

here is the site for the manual

http://www.sprint.com/cdma/assets/pdfs/phone_guides/samsung/a420_ug.pdf