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3AJ Rear calipers 3AJ Rear calipers
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Yamaha Tech Originally the Yamaha XT600 Tech Forum, due to demand it now includes all Yamaha's technical / mechanical / repair / preparation questions.
Photo by Andy Miller, UK, Taking a rest, Jokulsarlon, Iceland

I haven't been everywhere...
but it's on my list!


Photo by Andy Miller, UK,
Taking a rest,
Jokulsarlon, Iceland



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  #1  
Old 19 Jan 2003
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3AJ Rear calipers
Just back from Algeria, where I discovered that the laser exhaust can smash off the caliper when bottoming out the suspension....
(Geoff - are you listening?)
Anybody got a rear caliper for sale?
Any advice on is the interchangability between models - I have been told that the DTR125 caliper is the same?

Thanks
Neil
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  #2  
Old 19 Jan 2003
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Hi Neil,
Thanks for the warning. I have sent you an email about the slim possibility of someone having a rear caliper available. It was some time ago, but worth a try.
Glad you and the bike got back okay.
Geoff
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  #3  
Old 21 Jan 2003
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you are not the first one to discover this.
i recommend the laser exhaust only for xt600 with rear drum brake.
with later models (rear disc brake) you should stay onroad ;-)

regards
klaus
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  #4  
Old 21 Jan 2003
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Hej Neil,

I also have a Laser pot, do you have a fix in mind? (so it doesn't happen again..) If you have any pictures could you please send them to me?

Cheers,

Aubrey.
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  #5  
Old 22 Jan 2003
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I also have a Laser on my 660. There's a very small dent in it and the caliper is still in place. I have an upgraded standard shock which is quite tough. Should I go on a desert tour like this ?

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Fred, XTZ660, Holland.
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  #6  
Old 23 Jan 2003
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as one of Neil's bump-start team, I'd say you should absolutely not consider pistes until you have got clearance between the laser and caliper. when Neil's caliper broke off, it ripped through the side wall and inner tube. we had all (Neil, Martin and I) been stupid enough to ignore the small dent. modify the exhaust and come back safe.

as scarey as it would be, you'd do better to remove the caliper than letting it wreck your tyre/tube/wheel ...
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  #7  
Old 23 Jan 2003
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Modify the exhaust : you mean with a hammer?
Would this be sufficient?



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Fred, XTZ660, Holland.
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  #8  
Old 23 Jan 2003
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Aubrey, Fred -
At the VERY LEAST, I would modify the can with a big hammer, but my can has an indentation of about 20mm, so it is not just a couple of taps....
I'll try to take a picture of the damage so that you can judge for yourself, e-mail me direct if you want the photo, neil.larsen@uwe.ac.uk

Later
Neil
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  #9  
Old 23 Jan 2003
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And another thing...Rich is absolutely right- better off removing the rear brake than risk the damage I suffered, although stopping town traffic can be fun! (sorry about the dents Rich)
Klaus - are there other systems that dont work off road on disc brake models?
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  #10  
Old 10 Feb 2003
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Hi Neil and others,

An interesting modification has been done by one of our fellow travellers, to his Laser 3AJ exhaust and can be seen on this link:

http://groups.msn.com/UKTenereOwners...oto&PhotoID=74

Ciao, Geoff
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