Strange sound from front of bike...

[Omega Man]

I noticed this yesterday...forgot to mention it, and it's back today.

It sounds like an intermittent flutter when the engine is revved up, but stops the very moment one pushes forward on the gas. Sometimes I think I can hear it while cruising. I can hear it sometimes over the radio at a light. A flutter sound that has a "shush, shush" quality like a stuck front brake pad, it's NOT the brakes though the sound is tied to the engine somehow. I'm pretty sure the sound wasn't there when I warmed her up this a.m.(29F), 99% sure anyway. I'll bring a little note book and write this stuff down tomorrow, I know I'm not communicating well here.

~O~

 

[carl62cycles]

I noticed this yesterday...forgot to mention it, and it's back today.

It sounds like an intermittent flutter when the engine is revved up, but stops the very moment one pushes forward on the gas. Sometimes I think I can hear it while cruising. I can hear it sometimes over the radio at a light. A flutter sound that has a "shush, shush" quality like a stuck front brake pad, it's NOT the brakes though the sound is tied to the engine somehow. I'm pretty sure the sound wasn't there when I warmed her up this a.m.(29F), 99% sure anyway. I'll bring a little note book and write this stuff down tomorrow, I know I'm not communicating well here.

~O~

Could it be belt tensioners slipping(just a wild guess).If you hear it at a light!it's a good thing!.Centerstand the bike and rev to wear it sounds and get your ear around the bike while off of it.arm streched and you can probably figure were its coming from. :rtfm: BTA I read you loud and clear.10-4

 

[AApple]

Tach cable?

 

[scdmarx]

Big Mac wrapper caught in the fan?

 

[Omega Man]

OK...the sound is not there at start up. After she warmed up a bit I could hear it and it sounds like it's tied to one cylinder in the form of an exhaust leak.

Here's the weird part, I've been running straight gas because of the very low temps in the a.m. Today though I added ATF when I gassed up. I heard the noise after, but no noise after work on the way home. :nea:

~O~

 

[Tory]

A few years ago I had strange noise come front the front of the bike while I was 500 miles from home.
I tipped it back and felt the front wheel spin,and it felt good,so I started home.At about 40 mph it would make a wierd screaching noise that you couldnt faster,and wouldnt do slower than that.
I pulled the speedo cable but it continued.
As an act of disperation I squerted a little 10w30 into the speedo drive with an oil squirter at a service station somewhere in indiana,reinstalled the cable,and it never acted up again.

 

[Smokey66]

I`d also tip on the Tach and Speedo cables.Mine made the same kinda "swisching sounds".A drop of two of oil works wonders.BUT if you put oil in the TOP end let it sit over-night.

The oil will climb the shaft as soon as it starts turning and too much might get into your tach/speedo and gunk things up.LESS is MORE in this case.

I usually pull the shaft out,wipe it down and then lightly oil it and reinstall.

OH YEAH thats right there is GREASE in the speedo drive unit.It should be cleaned and repacked every time you change the front tire.

 

[Omega Man]

Thanks guys, this sounds like the problem.

~O~