XR500 IDLING: SOMETHING JUST DOESN'T SOUND RIGHT

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spokie

Race Dog
Joined
Aug 4, 2011
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Location
Pretoria
Bike
BMW F650GS / Dakar
The engine of my XR500RE idles irregular when hot. Not too much but one can hear something is just not quite a-ok in there. Pity, that I lack gesoute ore for a sound running engine... hehehe, but anyway I'm learning, I guess... It does not cut out or anything just doesn't idle smooth (between 1700-1900rpm according to the Vapor) and occasionally backfires when I open the throttle and close it sharply. I doubt that it is normal so could it be valves or carburettors (in this case) maybe? Any tips on what I should inspect then, please?  ;D
 
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