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Squeaky Hawk

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Old 09-24-2006, 03:01 PM
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Squeaky Hawk

I've got a 98 hawk and when its running it sounds like there is a squeak through the engine. When I rev it, it gets louder and faster.... any ideas? Sounds like a Jetsons Car.....
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Old 09-24-2006, 03:25 PM
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If its a chirp like a bird, its likely an air leak around the carb boot. Otherwise, you need to listen through a length of fuel line to isolate it to a part of the engine. No one can really diagnose it without more information.
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Old 10-17-2006, 12:36 PM
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I have a 98 as well that has the same "jetsons car" sound in the engine. sounds like it comes from the front, but it is hard to tell. My last bike was a 600rr and it obviously sounded completly different with no "squeek- high pitched chirp". Do all Hawks make this sound? I thought it might be a characteristic of a twin, but not sure. I just got it from the original owner with 13,000 on it. Anyone with any help would be fantastic- the noise stinks.
'
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Old 11-12-2006, 06:29 PM
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Mine does it too. I pulled it all apart and still cant figure it out!
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Old 11-12-2006, 06:41 PM
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... wtf it's cam chain whine. It's best related to the sound of a supercharger whine. Completely normal.
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Old 11-13-2006, 12:23 AM
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if you switch to aftermarket slip-ons, you'll never hear it again! or anything
else for that fact.
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Old 11-13-2006, 12:34 AM
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i have erion pipes and the whine is still pretty loud. At speed though yeah I don't hear it
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Old 11-13-2006, 06:48 AM
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i do think that my '98 had it more pronounced than my '99 does. thinking it could be the headers pinging? sounds like video game, right?
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Old 11-13-2006, 06:44 PM
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Yeah I have 2 bros. racing pipes and its loud but I still hear the wine. I have a feeling its just a normal thing. I tryed and tryed to find it but I gave up. I've put about 8k on the bike. Its not getting worse so....
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Old 12-02-2006, 12:22 AM
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Originally Posted by omniouslink
Yeah I have 2 bros. racing pipes and its loud but I still hear the wine. I have a feeling its just a normal thing. I tryed and tryed to find it but I gave up. I've put about 8k on the bike. Its not getting worse so....
+1

"Jetsons Car" is exactly how I describe it as well. I've asked about it with several different very reputable mechs and dealerships and they all say it's totally normal, and not possible to eliminate.
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Old 06-22-2007, 06:50 PM
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Originally Posted by iscoot
if you switch to aftermarket slip-ons, you'll never hear it again! or anything
else for that fact.
That is not too far from the truth.

I was told that the wine was from the carbs sucking air in.
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Old 06-30-2007, 09:45 AM
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I was going to ask this same question. But I can see I'm not the only one with chirping birds in my bike. Now I don't have to worry.
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Old 06-30-2007, 04:22 PM
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Whining noise

I once tightened my APE CCT's too tight and it made a little noise that inceased with RPM-once I loosened them a little the noise went away, my idle speed went up, the bike was easier to start, my bald spot went away and beer prices fell.
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Old 08-02-2007, 06:15 PM
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Man, I think it sounds cool, sort of like a dry clutch, noisy but cool!
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Old 08-17-2008, 06:17 PM
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I've noticed lately that my hawk has a squeak to it but it doesn't seem like the same you guys are describing. Mine seems to only happen at low rpms and speed and goes away as I climb past 4000 rpm or so. I'd almost say it seems like its coming from the front wheel or steering head. I've tried to replicate the squeaking sound in my garage puching on the forks, turning the forks and leaning the bike at an angle and then pushing again and I still can't replicate the sound. Any ideas before I go ripping into the front wheel asy for possibly nothing?
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Old 09-16-2008, 02:05 PM
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Just a guess... But did you check the wheel bearings?
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Old 09-17-2008, 08:47 AM
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Originally Posted by RonVTR
Just a guess... But did you check the wheel bearings?
If your reply was for me, wouldn't they do it all the time not just at a certain RPM range?
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