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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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  #31  
Old 26 Apr 2017
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Checked mine and the pin is screwed on and off with an allan key but its from the wrong end. i.e. inside the caliper.
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  #32  
Old 26 Apr 2017
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Must be different then, the one from the 4pt i have dont have any screw from behind. But its stuck like hell when i checked it, have to mount it back on bike to fix.
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  #33  
Old 26 Apr 2017
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Mine is a 4pt and its screwed in from the front. This is covered by the caliper when its assembled. I was mistaken initially xtrock.
Bill
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  #34  
Old 26 Apr 2017
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I dont understand what you mean? where is the allen on yours covered?
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  #35  
Old 26 Apr 2017
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On the end of the sliding pin. Its the end that you cant see when the caliper is on. So not the end where its screwed into the brake bracket. Is that description anymore helpful?

Bill
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  #36  
Old 26 Apr 2017
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If you look at my second picture i posted xtrock, and enlarge it you can just make out the allan key shape in the end.
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  #37  
Old 26 Apr 2017
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Yes inside to remove pin, i understand what you mean now. Dont forget to remove and lubricate from time to time. You cant buy new pin, only the boot.
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  #38  
Old 29 Apr 2017
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Hi Bergspre.

Any joy getting the caliper off??

Waiting with bated breath here lol

Bill
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  #39  
Old 29 Apr 2017
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Quote:
Originally Posted by awolxt View Post
Hi Bergspre.

Any joy getting the caliper off??

Waiting with bated breath here lol

Bill
Hey

No Luck yet, I had a new try today.
I even tried to use one of thos flywheel pullers but the problem is that theres nothing to hold against to be able to pull off the caliper.

I then removed the wheel to get some more space and we tried to hammer on the caliper part that sits on the pin. I think maybe the gap was bigger then before after hitting but it just didnt come off. Im not sure how hard my father was banging on it.. if its actually seized then I guess the last resord is to try with some heat?

I recorded a video and yes i know this is absolutely not a good idea to hit like that..it will/maybe has already done damage but i'm quite desperate now so..

And btw when you look at the caliper from behind you can see the pin end and when you rotate the caliper the pin also rotates..so clearly they are stuck together I think.

Here is the video of me and my father trying to hit it. We used an old fat screw and held it against the edge of the caliper part that goes outside the pin and hit that with a hammer..didnt come off :s
https://www.youtube.com/watch?v=27Ov6RvUWRE
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  #40  
Old 29 Apr 2017
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Hitting like that on it is no good, even pressure is the key for things seized. Use heat on the end out and use the caliper piston to pressure it out. Recomend to put the other bolt in when you do, then you get even pressure on both sides, loosen bolt a little at the time.
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  #41  
Old 29 Apr 2017
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Quote:
Originally Posted by xtrock View Post
Hitting like that on it is no good, even pressure is the key for things seized. Use heat on the end out and use the caliper piston to pressure it out. Recomend to put the other bolt in when you do, then you get even pressure on both sides, loosen bolt a little at the time.
Would a heat gun be enough heat? Or do I need propane?
What about the brake liquid should I take off the hose when heating?
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  #42  
Old 29 Apr 2017
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Yes use the heatgun, propane will ruin the paint. No you need the brake fluid inside for use of piston, just fill up the gap where brake pads are and pump the brake.
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  #43  
Old 29 Apr 2017
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I think its gotta be heat. Ive never had to do it myself but xtrocks right i think heat and even pressure is the only way to do it. The pin might be knackered if its thats stuck. Xtrock said theyre unavailable new so i hope its just gunge !
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  #44  
Old 30 Apr 2017
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Originally Posted by xtrock View Post
Yes use the heatgun, propane will ruin the paint. No you need the brake fluid inside for use of piston, just fill up the gap where brake pads are and pump the brake.
I tried with heatgun and hitting but it didnt move at all.
Im not sure how to fill up the space that the break pad takes. Should the wheel be on? Its quite hard to fin something that fits in there and still makes the caliper be able to move since that will also prohibit it from moving out.
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  #45  
Old 30 Apr 2017
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Remove springs from the caliper, those who hold the pads. Then install the brake pads and use them, if its not enough fill up between them with what you have around, wood/steel..No, no wheel on! If you dont get it off with this metod, i recomend to remove caliper, empty a couple of cans with rust releaser in a small bin and drop the caliper down to soak for days. If you have a plastic bag that is 100% water proof you can use it, fill up and have the caliper side that is stuck down to soak, hang bag up.
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