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| General & Appearance Mods Looks is important. Ask here for help on, flushmounts, undertails, bodywork, exhaust models etc |
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1
 07-03-09, 02:31
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Terminal Cush Drive (and rear sprocket)
Hi everyone, I'm posting this in 'General' as I hope to reach as many XT660 owners as possible...
As you know, I'm currently in the USA on my XT660Z, and it turns out model specific parts are impossible to get via Yamaha USA (duh) so... I was wondering if anyone knows if the cush driver rubbers from the XTZ (and XTR/XTX presumably have the same rear hub?) are used in any other Yamaha model - if it's also a US model then I'll be able to order them for that model instead... Also, does anyone know the PCD (pitch circle diameter) of the rear sprocket bolts? I know the Diversion sprocket (520 version) will fit and have the Renthal part number, but that will have to be ordered too... I was hoping that the PCD might be the same as another road or dirt bike and I can just use one of those instead? Any help, greatfully... etc etc Jenny xx |
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07-03-09, 05:01
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Jenny I have checked both the XTX/XTR Parts Manual and the XTZ Tenere and found that the part number for the cush drive rubbers is exactly the same on all 3 bikes.
The part number is in facts 5Y1-25364-00 DAMPER Now I am sure that the hub that these rubbers fits in is the same on all 3 bikes and that there is no other Yamaha model that uses this hub, for example if you look at a Fazer 600 you'll see they have a complete different setup compared to the XT wheels hubs & rimsets which are spoked. A full set of cush drive rubbers would cost about �18 ex vat. But if you read the thread below you will find some tips from Kev on alternative methods to regenerate / refurb the existing rubbers with either strips of converyor belt or inner tubes, see what you think. http://www.xt660.com/showthread.php?t=4042&highlight=cush+drive |
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3
07-03-09, 15:06
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Unless there are completey done (ie falling to bits) just do the kev idea which many people (me including) have done, basically find some inner tubing or other type of rubber and jam it in the space for the rubber cush drives. You may need to glue it in place to stop it moving out of place once you push the sprocket back on.
__________________
 Plough on
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07-03-09, 15:25
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Many thanks guys - I knew I could rely on you!
Yes, I'd considered bodging the the rubbers using some inner tube/rubber mat and siliconing the lot in there for now... I'll order up the new parts when I get back - thanks for confirming they are model (range) specific, I had a feeling that would be the case... Any joy with the PCD on the rear sprocket? - does anyone have a spare they could measure perhaps? I can order a Renthal Divvy one here, but it will take a few days and I'm on the road, so hoping to find something in stock... Thanks again guys! xxx |
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07-03-09, 16:40
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can't help on the PCD, I haven't got a bike to check.
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07-03-09, 18:57
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Quote:
Jenny, Just measured my rear sprocket and I make the diameter (hole centres) 145mm. Hope that helps. Nick. |
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7
08-03-09, 01:01
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Many thanks Nick - that is certainly something to go on now, hopefully I'll be able to match it up with something...
I've found an independent bike shop (the sort that will let you change your oil yourself!) which is on the notorious hwy 129 south of Deal's Gap (Google it x) which I'll happen to be passing in the next day or two... I called him today and he has the cush drive bearing in stock (yea!), so with a bit of bodging of the rubbers as suggested above, I reckon I'll be able to get the rear end ship shape again... I'm going to need a new chain too as the wobble has really stretched it - it's making a horrible noise on the overrun now... grrrr... Anyway, fingers crossed, and thanks again! Jenny xx |
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08-03-09, 01:12
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Quote:
http://www.jtsprockets.com/52.0.html...sel_uid=2402&p= And from Renthal (Euro) site, the part numbers are the same for the XTR/X/Z as 219U-520-45P-HA And doing a bit of cross-referencing I think a JT Sprockets number JTR 855.45 should fit the Tenere. http://www.jtsprockets.com/61.0.html?&L=0 Contact JT USA:- http://www.jtsprockets.com/41.0.html Best of luck. Timpo. |
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