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6 Speed Tranny- Noisy!

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Old Jun 2, 2010 | 03:10 PM
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I have a 2009 FLHTCU and I had the same problem. Clunked going into first and hard to get into neutral. 5th gear was very noisy. This has to do with the way they cut of the 5th gear. In 2010 they changed the type of cut. I changed to Amsoil Severe Gear 140W and it has helped the shifting alot and it quietened the 5th gear noise also.
 
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Old Jun 2, 2010 | 03:11 PM
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Originally Posted by todd-67
Switch to gear oil from the 20-50wt. Bel Ray, Amsoil, Redline, Mobil and more all make products that will quiet it down.
Yes don't use Syn 3 in your engine, transmission, primary or lawn mower there are much better options.
 
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Old Jun 2, 2010 | 04:00 PM
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i have a 10 ultra and the first time i dropped it into 1st, i thought something was wrong. Damn was that think loud. I've had my first 1000m service and switched to syn and its better but stull noisey. have occasional problems finding neutral. hope it gets better as time goes on.

cass
 
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Old Jun 2, 2010 | 05:13 PM
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I just got a 2010 FLHX and I will switch to Amsoil at 1000 miles. Hopefully that will quite the clunk.
 
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Old Jun 2, 2010 | 05:16 PM
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leave the oil in the motor, use gearlube in the gearbox.
 
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Old Jun 2, 2010 | 06:14 PM
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Originally Posted by mtyson227
I just got a 2010 FLHX and I will switch to Amsoil at 1000 miles. Hopefully that will quite the clunk.
It won't. Nothing will. Harley transmissions clunk.
 
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Old Jun 2, 2010 | 06:41 PM
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HD trannys are built like a Mack Truck. Get used to it...Everything you say is normal for you bike.
 
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Old Jun 2, 2010 | 06:47 PM
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redline shockproof....great improvement....but it will never be quiet!
 
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Old Jun 2, 2010 | 06:52 PM
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+1 on the redline shockproof, great stuff!! made my 09 roadie quiet and smooth as butter
 
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Old Jun 2, 2010 | 07:04 PM
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Get that engine oil out of the tranny and put some proper gear lube in. I use 75-110 Severe Gear by Amsoil in mine and it made a large difference.
 
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