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XT660Z Ténéré Tech Section Tyres, Mods, Luggage & Long distance preparation

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  #21  
Old 25-07-16, 13:35
yuk yuk is offline
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Forum member/owner:yuk
Engine number:
VIN number:
Date of first registration: 11D1
Country of registration:1th Italy
Odometer reading at time of failure: 29600 km
Date of failure:07.2016
Gear failed:4
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Last edited by yuk; 05-09-16 at 07:53.
  #22  
Old 30-07-17, 19:00
Harriec Harriec is offline
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Gearbox Updates?

Hi guys just wondering if anything happened from this thread. My 2009 xtz (26k)has just lost 3rd (unless you smash it in and out).I just nursed it home today so only had to ride about 8miles on it. My question is that as a mechanical novice on bikes, how expensive a fix are we talking? I have a 4000mile bike tour planned in 4 weeks and am wondering if this bike will not be taking me there? Typical!!!
  #23  
Old 30-07-17, 21:41
MarkXT MarkXT is offline
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I have just stumbled across this, mostly because I was never looking for issues, and checked my log book to see m311e0007925. Bike is 09 and 8000miles, guess I'll have to keep an ear out
  #24  
Old 14-08-17, 21:23
Harriec Harriec is offline
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gearbox update

so the bike is in intensive care... third gear failed and bounced around a bit taking a few bits with it....all in about £1000 fix. i leave for a Europe tour on the 2nd sept to visit my dads grave in Bulgaria, they are hoping to get it back to me before so i can get some mileage in to make sure its ok. going to be tight. fingers crossed itll be ok on the trip.........
  #25  
Old 08-08-18, 20:00
PanosP PanosP is offline
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I'm sorry I read this post now..... My bike is a 2009 and the engine number falls in that range!!! So what should I be looking out for?
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  #26  
Old 08-08-18, 20:42
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Chalk Two Chalk Two is offline
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Quote:
Originally Posted by PanosP View Post
I'm sorry I read this post now..... My bike is a 2009 and the engine number falls in that range!!! So what should I be looking out for?
Gotta say PanosP my engine was also in that batch and blew it's 3rd gear at 46,000 Km, (some go with less), in December 2017, on a motorway joining sliproad. There are no warning signs, it just goes. Some have said, in the past, that the 'stopper arm' or its spring may have contributed to the failures. I changed mine as a precaution for brand new Yamaha parts in the hope I'd be OK. It was a simple job and took a couple of hours. The parts were 40 euros. It didn't stop the inevitable. In fact the gearbox shattered a few thousand K's later.

It's easier to change the entire engine than strip out a busted one and cleanse it from the shrapnel which will just destruct a repaired engine. I bought a replacement motor that was in an Aprilia Pegaso. The same motor is also in MZ's.

Yamaha have disowned the problem and not every engine in that batch has failed but it is a game of Russian Roulette, especially if you're on a massive tour.

sorry buddy!
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Last edited by Chalk Two; 08-08-18 at 20:51.
  #27  
Old 09-08-18, 18:48
PanosP PanosP is offline
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Thanks Chalk Two...

Guess Ill just ride it like I stole it and not worry.... Sh1t happens.
  #28  
Old 09-08-18, 20:19
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Chalk Two Chalk Two is offline
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indeed it does brother !
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  #29  
Old 09-08-18, 21:50
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Il Solitario Il Solitario is offline
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Quote:
Originally Posted by Chalk Two View Post
... I bought a replacement motor that was in an Aprilia Pegaso...
A replacement engine seems to be best choice

but
Quote:
Originally Posted by Chalk Two View Post
The same motor is also in MZ's...
Sorry, as far as I know MZ only used the old 660 engine with 5 valves. Won't fit !

Werner
  #30  
Old 11-08-18, 17:25
hannesd hannesd is offline
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if these 5 valve motors won't fit, i guess you could always make it fit by welding new brackets? don't thing they will all differ, especially the one thrue the swingarm? that last one will line the engine nicely out.
when the needs comes to make one fit, it'll work.
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