I have a 2000 FI Roadking. I am running a PC-3 on this bike. Recently when the bike warms up, it idles extremely slow. Is there a way of increasing the idle speed or should I look for something else that is causing my problem.

 

Ahhh .........Magnetti-Marelli they are known problem causers. the proper way to adjust you would need an digital tech or scanilizer , but you can get it up to operating temp(ride it for awile and adjust the hot idle) How's your cold Idle?

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Cold idle is fine. It only happens when the bike warms up.

 

get it up to operating temp remove the ac and you'll need an#8 torks driver to adjust the hot idle screw. turn it up till it sounds good. Or take it to a shop to have it done.

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Is this adjustment required ever so often, or is there something going on deeper in the system since it is fuel injected. Can the Power commander 3 be causing the problem? This condition seemed to happen over night.

 

sorry t 10 torx

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It's a problem with alot of the marelli's mine does it oconasially the lock patch on the screws vibrates loose sometimes. apply blue locktite to the screw and it should be fine for awile

 

Thanks, I really appreciate your help. I'll going to adjust it tomorrow.