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Old Feb 18, 2010 | 10:45 PM
  #1  
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Default New RKC Questions

Hey all,
Just bought a 2010 RKC, and I have been riding a 98 Fatboy for a number of years and got used to it's sounds and just want to check that some of what I hear on my RKC is normal.

I hear a lot more valve noise than I am used to. It doesn't sound bad, just loud. In first gear the tranny whines a bit, especially on accel and decel. The shifter makes a noticeable "clunk" when I shift. I'm not stomping on the shift lever, but I am surprised at how loud it is.

Are these sounds normal, or do I have an issue that needs to be addressed?

Thanks,
 
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Old Feb 18, 2010 | 10:58 PM
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Carmell RKC
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I know exactly what you mean, I notice the same thing switching between my NT and RK. Those things you describe sound perfectly normal to me, my King has been doing it for 4 years with zero problems.
 
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Old Feb 19, 2010 | 07:53 AM
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Thanks Carmell. Anyone else out there hear these same sounds?
 
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Old Feb 19, 2010 | 08:05 AM
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It's normal, but you can reduce the tranny noise and clunk with a good synthetic gear oil. I use Mobil 1 70/140
 
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Old Feb 19, 2010 | 08:38 AM
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Normal.

My valve train noise seemed to quiet down about 50% after the first couple thousand miles. I also switched up the oil to Mobil 1 V-Twin Syth.

The clunk will also reduce after first adjustment and fluid change with a good synthetic.
 
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Old Feb 19, 2010 | 08:41 AM
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Normal.

If your FatBoy didn't have a windshield, that makes a big difference also. It kicks engine noise back into your face
 
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Old Feb 19, 2010 | 08:45 AM
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Probably the windshield is bringing the normal noises to your attention. You wouldn't have noticed as much on the Fat Boy without a windshield. Is the clunk on shifting into first gear when starting (normal) or when driving? Abnormal. If the latter get it checked.
 
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Old Feb 19, 2010 | 08:47 AM
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Sounds like normal twin cam noise,you didn't mention miles but they tend to quiet down some after some miles.Syn oil will also help.Get used to the trans clunk.
 
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Old Feb 19, 2010 | 10:53 AM
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2009 FLHRC Vivid Black

Take the windshield off and go for a ride.... it changes everything
 
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Old Feb 19, 2010 | 12:17 PM
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I recommend Red Line Heavy ShockProof Gear Oil
 
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