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Re:idle increases after engine is warmed up?
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TOPIC: Re:idle increases after engine is warmed up?
#282758
SigMan (User)
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idle increases after engine is warmed up? 2 Years ago  
my 01' Star runs pretty good but i notice after its warmed up real good it sounds like it is idiling alittle to fast. i bought it last year and it has Bub Jug Hugger pipes on it.they are short and pretty loud with the stock air cleaner. could it be idiling to fast because it has the stock cleaner on it like its struggling for more air flow? i dont know. im new to street bikes. help.
 
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#282760
slothy (User)
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Re:idle increases after engine is warmed up? 2 Years ago  
could be a intake leak (common) - easy easy is let it get warmed up and spray carb cleaner (i think erb said he had better luck with starter fluid) around the joints, if it changes idle then you know where your leak is.
 
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#282762
maessen (User)
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Re:idle increases after engine is warmed up? 2 Years ago  
Airleak on the intake.

Gets bigger when hot.

J
 
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#282763
SigMan (User)
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Re:idle increases after engine is warmed up? 2 Years ago  
thanks , i'll check that out.
 
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#282768
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Re:idle increases after engine is warmed up? 2 Years ago  
Carb cleaner? Would this not cause premature deterioration of the rubber o-rings and intake coating? Just a thought, but I would go for the starter fluid IMHO
 
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#282805
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Re:idle increases after engine is warmed up? 2 Years ago  
Adjust the idle when it is warm....

Mine always idles lower when it is cold. It is the nature of a carbed beast.
 
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#282811
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Re:idle increases after engine is warmed up? 2 Years ago  
I have an '03 so it too has a carb. I start it with the choke out when cold, once started I push the choke back to half and it definitely idles faster once it is warmed up.
 
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#282814
Curt (Moderator)
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Re:idle increases after engine is warmed up? 2 Years ago  
Nothing wrong with your bike they all idle faster after they are warmed up. Like was said above set the idle when it is warm just like you adjust the PMS when it is warm. The proper idle speed is 750 - 950 rpm these bikes idle higher than a harley to keep the oil pressure up.
 
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#283045
SigMan (User)
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Re:idle increases after engine is warmed up? 2 Years ago  
thanks everyone. but im still going to get a better air cleaner, just cant decide if i want the kurayken hypercherger(looks complicated) or the ness big Sucker or something?
 
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#283048
bartish (User)
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Re:idle increases after engine is warmed up? 2 Years ago  
hey guy's

if no tach installed, how do you check your idle rpm (750-950) per curt?


thanks

bartish
 
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