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Stator problems/replacement. Stator problems/replacement.
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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 Lois Pryce, schoolkids in Algeria

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  #1  
Old 21 Nov 2017
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Thanks for all the tips.
It`s on hold fore a while due to building a carport before I whent to work.
When I`m back home again later this year I will do some more checking around the problem. Will at the same time change the bearing for eletric starter that is broken when I`m first in there.
Thanks again and I will keep posting when I know some more.
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  #2  
Old 15 Jan 2018
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https://www.ebay.com/itm/391943883077
Stator: 35bucks with free shipping from China
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  #3  
Old 19 Jan 2018
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Quote:
Originally Posted by bacardi23 View Post
https://www.ebay.com/itm/391943883077
Stator: 35bucks with free shipping from China
That one is for the later bikes with TCI systems. The diameter is smaller and they lack the windings for the CDI. Also there is just one timing pickup, the cdi types have two.
I fitted one of these to my bike (1VJ) when I re-engined it with a 3TB motor, and other than having to open out some holes because they were in the wrong place, it works fine and is so much cheaper than genuine.
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  #4  
Old 22 Jan 2018
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A small update on my stator/charging problem.
Took me some time to take of cover and have a closer look inside, it do look good so I took the stator to a generatorshop to do some checking and they found nothing wrong so far. Start thinking it can be the regulator that make the problem or the battry, will buy new both.
When I`m in there it is time to change the starter bearing that have been not working for a long time, I have a new one waiting. Got the nut off the flywheel and now waiting for a flywheel puller to arrive, hopefully it will be there when I get home from work in few weeks.
Some pictures from my garage and the bike.
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  #5  
Old 25 Feb 2018
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Hi again !
Got my puller a week ago and got to work, now it have been sitting there with pressure on and the flywheel still stuck, have tryed to warm up with a small torch, hitting it with my big hammer but no f..... way it will come loose.
Any god ideas that can be used to get it of ?
How hot can it be before there will be a problem with magneto ?
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  #6  
Old 26 Feb 2018
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-------------------- Heat
It is the difference in temperature between the shaft and the collar that is important .. not the total temperature.

So you want a lot of quick heat not slow heat. You do want it where your heating it, but something more powerful than what your using.

Temperature wise ... any seal on the shaft will melt if too hot. Oil will start to boil. And the magnets loose strength. I'd limit it to the boiling point of water.

------------------- Impact
Hitting it with a hammer .. where? The hit should be no top of the single long bolt you are tightening ... with the biggest hammer you have. After each hit check the bolt is still tight.

Good luck.
Last edited by Warin; 26 Feb 2018 at 05:00.
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  #7  
Old 26 Feb 2018
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From personal experience I'd be very careful with the heat - I managed to melt the glue that holds the magnets in place and it still didn't move. The hammer did nothing for me either. What did work was to put a metre long bar on the spanner and crank it with that. It might fly off though so put some restraining wire on it just in case. Good luck - it's a tough job.
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  #8  
Old 26 Feb 2018
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Quote:
Originally Posted by Warin View Post
-------------------- Heat
It is the difference in temperature between the shaft and the collar that is important .. not the total temperature.

So you want a lot of quick heat not slow heat. You do want it where your heating it, but something more powerful than what your using.

Temperature wise ... any seal on the shaft will melt if too hot. Oil will start to boil. And the magnets loose strength. I'd limit it to the boiling point of water.

------------------- Impact
Hitting it with a hammer .. where? The hit should be no top of the single long bolt you are tightening ... with the biggest hammer you have. After each hit check the bolt is still tight.

Good luck.
Then I need to get something that heat up quicker and se how it goes, and I`m hitting on the top of the bolt.
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