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Scraping noise coming from chain area?

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I just purchased a 2008 DR 650. The wife and I went out for a ride last night and we heard a scraping (grinding) noise coming from the rear of the bike.It isn't a constant noise more like every revolution when the chain hits a certain spot? I came home and Adj the chain and lubed (was a Little loose). I have not taken off the top (front) chain roller. I haven't had a chance to ride it yet after the Adj. The bike has 260 miles on the odometer. We are not big people I'm 180 and she's 95lbs. Any thoughts...Please

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ck. that both chain adjusters are on same index marks. beyond that,sounds like a possible warranty issue? oh, try a ride solo.is noise gone? if so, maybe the extra load was causing chain to contact chain roller causing your noise.

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My 2005 DR650 made alot of chain noise when riding 2 up. Mine had the rear suspension lowered also. Varying the throttle (and thus the tension on the chain) changed the noise.

I would NOT ignore this noise. Several owners have had the top roller break off leaving a coin sized hole in the frame. Many have removed the roller altogether and have not reported any ill effects. I made a modification that reinforced my roller. It made it quiet and the roller is guiding the chain as Suzuki designed. I'm sure it won't break. I posted all the detaila on how to do this reinforcement on ThumperTalk about a month ago. Below is the URL to this thread.

http://www.thumpertalk.com/forum/showthread.php?t=671359

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My bike made a lot of racket from the chain when I first got it also, and I mean a lot. It was just as you describe, a kind of grinding noise. I weigh about 250, and was doing it with just me on the bike. I removed the top roller (took all of two minutes) because of people talking about it getting ripped off, not because I thought it was making the racket. However, when I took the bike for a ride after removing it, that noise was gone.

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Thanks for the help. :) I took the top roller off and the noise was gone. Why the he// would Suzuki put that on in the first place.:D

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