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My '08 EG with the original stock tires whines as well.
The whine has been there for at least 6,000 miles, maybe 12,000 miles, with no change. In my case, I hear the whine when I lean into a turn. It doesn't matter if the turn is left or right. I will notice the whine when I start a ride. The whine either decreases as things warm up or I become deaf to it.
My bike has close to 14,000 miles on it now. If my whine was a bearing, I think that the bearing would have been toast by now. I lean towards tires as being my problem.
At the speeds your mentioning, hearing that whine. I had a similar occurrence in the back as well. I have metzlers and am hearing that noise. But then there was another time that I recall. On my belt pulley. I had purchased one of those chrome pulley covers. They mount to the pulley using only the 5 bolts that hold the pulley on. At the speeds you posted. On my scoot. I heard a whining noise. Turns out. That at those speeds. The chrome cover resonates. There's no way to attach that cover to the circumference face of the pulley. I used rubber tape and adhered it to the pulley's surface. That stopped the whine.
I had similar symptoms on my 07 SG. I went crazy trying to isolate the noise...but it was more a low-tone "whumpwhumpwhump" sound vs. a whine.... Fast forward - It was the rear wheel bearing...and the third one that month on 07' baggers they had seen with less than 5000 miles.
No problem since.
Mine's a definite whine or mild howl primarily at the speeds mentioned, but I do hear some pulsating tones at times. Did you notice any change in tone when you took the bike off-vertical, like in a turn, or with varying throttle inputs? As I've mentioned before, it seems to me that changing the load on the bearing as when in a turn vs. vertical would change the tone of the whine. This is the way it works in cars anyway, but I've never had a wheel bearing go out on a bike...yet.
I'm thinking if it was a wheel bearing it would change tone as you load the wheel differently. E.g., zigzagging or taking a turn vs. vertical. Same situation for tire whine, IMO.
At the speeds your mentioning, hearing that whine. I had a similar occurrence in the back as well. I have metzlers and am hearing that noise. But then there was another time that I recall. On my belt pulley. I had purchased one of those chrome pulley covers. They mount to the pulley using only the 5 bolts that hold the pulley on. At the speeds you posted. On my scoot. I heard a whining noise. Turns out. That at those speeds. The chrome cover resonates. There's no way to attach that cover to the circumference face of the pulley. I used rubber tape and adhered it to the pulley's surface. That stopped the whine.
RJ
I don't have the pulley cover installed. Thanks for the tip, though.
My '08 EG with the original stock tires whines as well.
The whine has been there for at least 6,000 miles, maybe 12,000 miles, with no change. In my case, I hear the whine when I lean into a turn. It doesn't matter if the turn is left or right. I will notice the whine when I start a ride. The whine either decreases as things warm up or I become deaf to it.
My bike has close to 14,000 miles on it now. If my whine was a bearing, I think that the bearing would have been toast by now. I lean towards tires as being my problem.
My noise has been with me for about 5k miles, and I can't say that I have noticed a change. I first noticed it on a trip to TX in April immediately after installing an E3 tire on the rear. It might be a bit louder now, but I can't say for sure, as most of the time I have the radio blasting and the whine isn't prominent.
I noticed whine/howl with D402 front tires on my old RK, and as with you only in turns. This is typical tire noise and I never did anything about it since it wasn't an indicator of impending doom.
I and several others had the same symptoms. It turned out to be the output shaft bearing. The dealer rebuilt the tranny with all new bearings under warranty and put in a new shaft. According to them it is a "known" issue but there is no recall on it. I guess not enough have failed. Look for excessive shavings on the tranny drain plug.
I happen to have changed the tranny oil last week after about 17k. The fluid looked clean with little in the way of metal on the magnet, only the usual gray-paint-looking residue when I wiped it off, but nothing that I would classify as shavings.
Be careful dude, you're doing some crazy things! Just turn up the stereo!
Cranking it up to 45mph in 5th gear on a jack is truly crazy, and I did it again today, but I'm through with that. I hear the noise on the jack, pretty loud with my ear next to the derby cover, so I can now rule out the tires. I'm thinking the noise is the belt at the rear pulley being amplified by the output shaft to the primary cover.
A friend says his 2000 EGC does the same thing and has been for 60k miles, so maybe I should just let it whine and see if it gets worse.
Bob one thing I forgot to mention. Before mine really started making noise, I noticed a "clicking" as I backed the bike up. I was unsure if it was a problem or not as I normally have the engine running which masked the noise. I'm not insisting that your problem is the same as mine but I would hate to see it fail after the warranty ran out. BTW I had 35K on the clock when the dealer wrench noticed the shavings. The same dealer has done every service and they are very attentive to problems. They have found three so far I wasn't even sure were problems.
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