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Old 08-19-2014, 11:40 AM   #1
Rhysj123 OP
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Desperate need of help with chain and sprockets!!

Hi all,

Currently riding across the states and stupidly didn't check my chain for a while, looked down today and it's loose as hell, metal shavings all over the back wheel and the teeth look worn. Actually I don't know if they are confirmed worn or not but a few look like the ends have crumbled so im guessing they need replacing. I've adjusted the chain so it's within 2 inches again but I'm loathed to move on with the sprocket looking bad, I've got the mrs on the back and long distances to cover, could do without the chain snapping and taking us both down, I'd never hear the end of it.

Problem is I'm in the states and no one has heard of a tenere, not even the yamaha dealers. No one can help me out with an after market as they're got no idea if it will fit properly. I've got the haynes with me so read out the sizes but they don't know if anything they find will bolt on correctly.

Anyone got any ideas........im thinking a specific set that is available in the states? I've found a renthal set in the uk but I'm stuck in the middle of nowhere at the moment and don't fancy waiting for it to arrive. If I can tell a garage a USA part they can have it tomorrow.

Any help would be hugely appreciated here.

Thanks,

Rhys
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Old 08-19-2014, 11:57 AM   #2
plugeye
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go to JT sprockets to identify and dimension your sprockets & chain

http://www.jtsprockets.com/catalogue
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Old 08-19-2014, 12:02 PM   #3
fleshpiston
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Maybe these would help, hopefully a dealer/shop could use them to cross-reference.....


















These are from JT........



















hope that helps, good luck!
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Old 08-19-2014, 12:37 PM   #4
Rhysj123 OP
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Haha wow, adviser is awesome, thanks everyone.

I've rung jtsprockets and they don't sell the 45 tooth rear sprocket I need.......sorry to ask but I'm a bit off a noob, anyone know if going up to 46 (which they do sell) is a big issue?

Thanks,

Rhys
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Old 08-19-2014, 12:46 PM   #5
sintegua
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There's no problem in going 1 tooth less or more in the big sprocket. You could have 3 tooth more or less in the big sprocket, and just feel a slight difference (10km/h less/more) when going full throttle.
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Old 08-19-2014, 12:50 PM   #6
kevsta
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are we to understand that..

you dont perform your basic visual safety inspections before every ride then?
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Old 08-19-2014, 12:58 PM   #7
Rhysj123 OP
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Brilliant, thanks, 46 it is then.

And yes everyday is a school day on this trip, I have been so lapse with bike maintenance, quickly learning thats not cool when you're doing 600 miles a day, think I will be a pre ride inspection nazi after this balls up. We're meant to be in Reno for burning man this weekend and currently stuck in Shreveport, the mrs is not happy.

Fleshpiston, thanks for the diagrams, I'm waiting for a dealer to get back to me on jtsprockets at the moment but any chance you know the sun star model numbers in case it doesn't come throug? I've been on the sun star website and xt660z isn't listed :-(

Cheers

Rhys
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Old 08-19-2014, 01:59 PM   #8
Luke
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You can put the jt part number into their catalog and it will tell you which bikes it's used on.






Online Catalogue

Buyers Guide

JTR855

Available SizesMaterial
45, 46, 47, 48C49 High Carbon Steel
Can ReplaceCan be replaced byAlternative Type
Applications















Online Catalogue

Buyers Guide

JTF308

Available SizesMaterial
14, 15SCM415 Chromoly Steel Alloy
Can ReplaceCan be replaced byAlternative Type
Applications





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