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noisy decel at highway speeds (Read 91 times)
drums1
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noisy decel at highway speeds
08/24/09 at 09:11:07
 
When I let off throttle at highway speeds, it pops, gurgles, almost sounds like it's running in reverse. Like a semi truck using jake brakes. My mixture screw is froze up at 1 1/2 turns out and there is a minor exhaust leak, but those things have been that way for over 1 year. My new problem has just popped up in the last month or so. With last years head replacement fiasco, I also had the timing chain tension adjuster thing replaced with the new upgraded version. Only 14,000 miles on bike. I just changed oil and spark plug. Also, bike has lot's of vibration. (see other post) I thought maybe the timing was off, but it seems to run ok other than the vibration and the jake brake noise on decel. Any idea's??
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dasch
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Re: noisy decel at highway speeds
Reply #1 - 08/24/09 at 10:31:47
 
I love my jake brake noise! Or an air compressor noise. Seriously now, it's supposed to sound like that, a 650cc single, what else? Or I'm missing something.
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Serowbot
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OK.... so what's the
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Re: noisy decel at highway speeds
Reply #2 - 08/24/09 at 10:40:07
 
Sounds like your minor exhaust leak got a bit bigger...
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Ludicrous Speed !... ... Huh...
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BurnPgh
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Re: noisy decel at highway speeds
Reply #3 - 08/24/09 at 10:44:31
 
Ineclipse has a gutted jardine muffler on his and he's louder than semis using thier jake brake. Its pretty amazing. If we're passing a semi he'll chop the throttle back for a second once we get up to the cab and the truck slows down every time. The sound is hilariously terribly loud. I imagine the driver thinks something just broke until he sees us speed past.
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verslagen1
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Re: noisy decel at highway speeds
Reply #4 - 08/24/09 at 11:48:37
 
You can't get rid of all the gurgling and popping (why would you?) but if you increase your idle speed it will help.
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dasch
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Re: noisy decel at highway speeds
Reply #5 - 08/24/09 at 12:19:28
 
Mine confuses road crews with pickhammers, hehehe. Roll off the throttle and they start looking at the compressor, confused. Who the hell started this now??? +1 on the idle speed.
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drums1
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Re: noisy decel at highway speeds
Reply #6 - 08/24/09 at 15:44:06
 
OK apparently that's normal so I'll quit worrying about that and concentrate more on the vibration. Thanks guys.
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