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Posted by Troll
 - January 21, 2014, 13:21:06 PM

Idle speed should be 1,000 rpm. They make some funny noises if they are idling too low. I suspect it might be decompressor spring noises you are hearing.

Posted by cptarmy2002
 - January 21, 2014, 12:06:45 PM

Hey - Things are fine but I've started to notice different sounds from the bike.

1999 w/ 39K - bought at 24K 2 years ago so I've done all the PM and more; K&N, longshots, Pwr Cmdr.

Did the cam chain extenders early last summer and I've started to notice a strange difference this last few months.

1) At idle, in neutral it seems like the bike shakes a little more and it's almost like a "knock sound "coming from the bike...I've got it set at a decent idle so it's not that it's dying out from a slow idle. Once I put the bike in gear and get moving there is no change to the performance and or sound of the bike...

I do a fair amount of low speed driving since I'm in Washington DC, and I'm hoping that this is not a symptom of crank bearings going bad...?

Thoughts?

Frank

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