Suzuki Bandit owner with a question - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 15 Old 06-14-2018, 01:11 PM Thread Starter
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Suzuki Bandit owner with a question

Hi All,

I'm a owner of a 2009 Suzuki Bandit 1250s which I bought used two years ago and have noticed recently that I get a slight "clack" or "clunk" noise from the rear end (somewhere between front and rear sprockets?) when pulling out of a stop in first gear.

It mainly happens when I have just downshifted to first, it doesn't happen if I just stop/start repeatedly while in first gear. I can also prevent the noise from happening if I'm real slow and smooth with the clutch and throttle.

Checked the usual suspects... sprockets, chain, chain tension & alignment, lube. Nothing seems out of line. I'm thinking it may be cush elements at this point.

The reason I'm posting here is that a internet search of the problem showed two users here posted the same issue on a V-Strom. I did not see any definitive solution though. Has anyone with this issue found a definite cause/fix?

Thanks for any help to a Suzuki brother!
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post #2 of 15 Old 06-14-2018, 01:29 PM
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Hub cushions have to be pretty bad to make a noise. But it is possible. Age is just as hard on them as mileage. Probably a good idea to pull the rear wheel and inspect them, while in there carefully look over the wheel bearings too.
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post #3 of 15 Old 06-14-2018, 01:57 PM
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There's also a strong possibility that the bearing in the sprocket carrier is shot - this was the case for my bike around 70k miles. It caused severe wear to the chain.
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post #4 of 15 Old 06-14-2018, 02:40 PM
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Yup cush rubbers and rear bearings

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post #5 of 15 Old 06-14-2018, 08:10 PM
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Bearing is a possibility, but the most likely cause of this is still chain/sprockets. Can you pull the chain back from the rear sprocket? More than 2mm means it's worn. Also, if the teeth are "shark finned", giving the appearance of being bent, (they're not really bent, just worn on one side), then they are shot too. Front more likely, as it's smaller: equals faster wear.

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post #6 of 15 Old 06-14-2018, 09:33 PM
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I'm with locoblanco. Check the chain slack and sprockets first and the rear wheel second.

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post #7 of 15 Old 06-15-2018, 03:45 PM Thread Starter
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Thanks for all the input - greatly appreciated!

I can't post links here yet, but I captured it on audio on YouTube. It's titled "Clack noise pulling out from 1st gear". Sound is a "double-clack" at the 35/36 second mark.
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post #8 of 15 Old 06-15-2018, 05:31 PM
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I would be surprised if that clacking noise was anything but the chain. Any stiff links? My one and only in-line four......a cherry red '01 Bandit 1200.

'01 SV650N
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post #9 of 15 Old 06-16-2018, 01:16 PM Thread Starter
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The chain stretch measurement checks out fine - the same as the new chain on my Bandit 1200, and within the stretch max of 12.57". The teeth on both sprockets all look like new. I can't pull the chain back more than about 1mm at the 2 o'clock position on the rear sprocket - tested with a full rotation of the chain.

I even unmounted the rear brake caliper, wrapped it in a towel and taped it to the swingarm to eliminate any brake-clacking. Noise was still there.

Leaning towards bearings or cush rubbers.... but my wife has graciously agreed to see if she can pinpoint the noise location while I stop and start out on the street.
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post #10 of 15 Old 06-16-2018, 01:36 PM Thread Starter
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of course as luck would have it, I couldn't get it to make the sound as loud as it sometimes gets... but my wife seems to think it's coming from the area of the rear wheel, specifically the rear sprocket/wheel hub area.... which is what it sounded like to me from my perspective.
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