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| cush drive bushings http://ducatipaso.org/forum/viewtopic.php?f=3&t=442 |
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| Author: | jim [ Sat Jun 04, 2005 8:12 pm ] |
| Post subject: | cush drive bushings |
| Author: | jomo [ Mon Jun 06, 2005 12:01 pm ] |
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jim, How many K's on the bike? Are you sure your chain isn't too tight? Put it on the centre stand and rotate the wheel forward a few turns, if it looks irregular, get back to us. Run it backwards, if it looks irregular, get back to us. If you had twin carbs, I may have suggested something like carby balance....but I suppose that isn't going to happen with fuel injection!? |
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| Author: | jim [ Mon Jun 06, 2005 8:31 pm ] |
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Thanks for the reply, jomo. My bike's got 28K miles on it. No, the chain is almost new, properly adjusted and not too tight. The front and rear sprockets are almost new, also, being replaced at the same time as the chain. Nothing seems out of the ordinary other than the play between wheel and sprocket carrier, and the snatchiness definitely seems to be coming from the driveline. Jim |
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| Author: | Apex [ Tue Jun 07, 2005 9:37 pm ] |
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| Author: | jim [ Mon Jun 13, 2005 7:57 am ] |
| Post subject: | |
Thanks Apex, The play that I have between sprocket and wheel is not lateral, but linear. In other words, the sprocket does rotate slightly when the wheel is still. This is why I suspect either worn cush bushings or worn sprocket carrier studs, but as i said, the cush bushings nor the studs look particularly worn to me. I suppose, however, that it must be one or the other unless I'm overlooking something. What do you think? Jim |
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| Author: | Apex [ Mon Jun 13, 2005 7:31 pm ] |
| Post subject: | |
Jim-- I will check my 907 to see if there is any play. I also have a spare wheel and sprocket assy off the bike so I can check it too. I don't know how many miles are on the spare but if it is tight we will know you have a wear issue. Jeff |
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| Author: | Apex [ Thu Jun 23, 2005 1:18 pm ] |
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Well I finally checked both my bike and my spare wheel/sprocket and there is no play. The bike has 21,000 miles on it and the mileage on the spare is unknown, although it came off a well-worn bike. From the design of the cush drive, it's hard to see how you could get much play, but anything is possible. Did you check how well the sprocket is affixed to the carrier--I am sure you did but I thought I'd ask. Jeff |
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| Author: | krakan [ Thu Jun 23, 2005 7:57 pm ] |
| Post subject: | |
Hi jim. My bike had the same problem with a slight slack between the sprocket carrier studs and the cush bushings. The rubber didn´t look worn either. I first noticed the problem when I was out riding last fall. I lokated a small slack (can one call it that?? sorry not so familiar in written english. Must write more posts I think.) and I removed the rubber bushings then covered them with hot glue from my glue gun and reinstalled them, I wasn´t sure if it worked. I didn´t get a chance to ride again until this spring but to my surprise no more slack!!! I read about this fix in an old ex. of Motorcyklist and the dude had the same problem on a zx kwak. It worked fine. Krakan |
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| Author: | jim [ Sat Jun 25, 2005 9:18 am ] |
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| Author: | Apex [ Sat Jun 25, 2005 6:59 pm ] |
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