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Squeaky squealing motor

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Old 04-21-2010, 05:57 PM
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Squeaky squealing motor
I've been waiting a while to ask this because I'm not sure I want an answer but here goes. At very low rpms (500 or so) I get a squeaking coming from my motor. At anything above about 1500 rpm it turns into a steady squeal. I am relatively sure it's coming from the bottom end and can be heard similarly on either side but a bit louder on the right. Unfortunately there was probably some gas in the oil a while ago. I'm going to try adjusting my rear cct tomorrow but I really don't think that's it. Has anyone ever had a bearing go out on their hawk or heard of it? I've probably put over 500 miles on it like this with no changes or problems.
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Old 04-21-2010, 06:14 PM
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I was going to suggest CCT, but you are already there. Maybe try synthetic oil, see what that does. I am a old school petroleum oil guy myself.
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Old 04-21-2010, 06:15 PM
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I'm running rotella T5 synthetic
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Old 04-21-2010, 06:32 PM
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CCTs too tight give a noise. Not sure i would call it a squeal, but maybe loosen them up a bit and see what happens. Gas in oil sucks!
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Old 04-21-2010, 06:41 PM
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maybe there's a small piglet in there, don't know what he's been eating though
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Old 04-21-2010, 06:45 PM
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careful...they tend to eat money. lots of it sometimes.
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Old 04-21-2010, 07:17 PM
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Was ther PO Ned Beatty?
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Old 04-21-2010, 07:55 PM
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when i put my cct's to tight it squealed and honked at me.

why/how are you running at 500rpms?
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Old 04-21-2010, 08:42 PM
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I've been tinkering with my a/f mixture but don't have the tool so I keep taking the carbs off and trying different settings. I'm almost all stock and that was 1.75 out. The idle went back up to 1100 where I keep it once it was warm.
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Old 04-22-2010, 09:36 AM
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Adjusting the cct made no difference.
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Old 04-22-2010, 09:41 AM
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Maybe I'm fretting over nothing, my dad rode it the other day and he didn't notice anything wrong and he ran his own motorcycle speed shop for a while... but that was in the seventies and his hearing isn't so great anymore. on the other hand I found a video of a hawk on youtube that I can hear at least some of the squeaking in. Mine seems a little louder though. http://www.youtube.com/watch?v=ZTPNrwbJZl4
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Old 04-22-2010, 09:49 AM
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I'm no mechanic, but i listened to the clip and my bike sounds similar - maybe a touch quieter. I still have the OEM CCTs in. I always thought that whine was the valve train and was common to VTRs.
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Old 04-22-2010, 10:16 AM
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Sounds like the typical VTR "sewing machine" sound to me.
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Old 04-22-2010, 10:29 AM
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The whistle is the cam chain on the guides. Reminds me of an F4 Phantom flaring in for a landing.
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Old 04-22-2010, 12:47 PM
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So no one got my Ned joke?
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Old 04-22-2010, 12:48 PM
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Sounds fairly normal to me. Does it bog on the low end?
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Old 04-22-2010, 01:43 PM
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You're probably just hearing the lovely whine of the primary drive gear. It is a straight-cut gear and whines like a gear-driven camshaft.
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Old 04-22-2010, 02:53 PM
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I hope that's all it is. Primary drive gear makes sense.
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Old 04-22-2010, 02:55 PM
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Originally Posted by residentg
So no one got my Ned joke?
We got it...it just covers a topic that makes most guys sqeamish.
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Old 04-22-2010, 03:02 PM
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Good thanks - I was starting to feel old again...
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Old 04-22-2010, 03:13 PM
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I just grabbed a DVD of "Deliverance" off the shelf yesterday, just to see how an old DVD would play on a Blueray. That scene is still rough to watch. But how great is the next scene where you see Burt coming into focus pulling back the recurve and fire the bow. I still can't figure out if the Drew character was shot or just jumped in to the water.

Um... my bike sounds like the vid also.
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Old 04-22-2010, 05:59 PM
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Originally Posted by nekkid
We got it...it just covers a topic that makes most guys sqeamish.
That...plus I'm not particularly fond of banjo music.
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Old 04-22-2010, 06:46 PM
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Burt.

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Old 04-22-2010, 08:25 PM
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I noticed the same sound and I think I found the source, pretty sure it's coming from my paranoid mind.

I've watched vids online too and they all seem to have that same exact sound.
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Old 04-22-2010, 11:47 PM
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Yikes! I will never post a joke again :{
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Old 04-23-2010, 07:07 AM
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Originally Posted by residentg
Yikes! I will never post a joke again :{
You're joking, right?
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Old 04-23-2010, 07:28 AM
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probably
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Old 04-23-2010, 11:47 AM
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my wife likes to tease me about the fact that my big bad twin whines like it does. but other times she says it sounds more like a "serious" bike that the buzzing of the I-4's. I just think its the sound of not having to do valve adjustments every 5k miles.
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