TDR 125 2001
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So it's a coolant expansion bottle... I can't quite work out it's purpose... On mx bikes the coolant will only drip out of the overflow if you put too much in. I'm sure it doesn't expand? Don't worry Callum I remember you mentioning it to me more than once. I used the Athena one and haven't had any coolant overflow so can't see how the bottle is used. Yeah I would like to find a new project but ill need to do a little bit more to this at least so it can pass an MOT.
TDR 125 - 2001
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So it's a coolant expansion bottle... I can't quite work out it's purpose... On mx bikes the coolant will only drip out of the overflow if you put too much in. I'm sure it doesn't expand? Don't worry Callum I remember you mentioning it to me more than once. I used the Athena one and haven't had any coolant overflow so can't see how the bottle is used. Yeah I would like to find a new project but ill need to do a little bit more to this at least so it can pass an MOT.
@MIGHTYMAN Yes the water expands as it warms up. It moves from the radiator to the overflow. It should not spill out. Not even drip. Shouldn't lose a drop.
I have had this happen to me on my motors, both car and bikes. It's either the thermostat not opening. Causing the water to just overheat. Or the head gasket is blowing, causing undue pressure inside the engine.
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I'm not losing a drop and never have in the past. I'm just saying I thought it was just an overflow. So, if the coolant expands and falls into the coolant expansion bottle, how does it end up back in the radiator loop as there is only one pipe going to it?!
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Okay now that makes sense. But why don't mx bikes have them? I just filled my TDR radiator loop up with the same Putoline stuff I used to chuck into my KTM and it doesn't seem to have expanded so far. I'm sorry if it seems like I'm being a bit thick but I like to know all the info before I can fully understand something.
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I took the the coolant tank off, I just run a short pipe off the overflow into a Redbull can now,
Makes no difference, never lose much fluid even after it get's very warm.
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Got a pretty good video of it nearly fully back together and running nicely earlier.
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I was going to post in the wanted section but I highly doubt anyone will have what I'm after. So I'de like to know if anyone has any info on whether or not there is any other front brake callipers that are the same as the one on this bike? My one is totally seized so had to remove it ages ago. I think it'll be costly to rebuild it so might as well buy a second hand one.
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I might dismantle it tomorrow so I'll jot down some measurements. Found out I'm going to have to do something about my rear brake on my WR so I might as well rebuild them both I'm thinking. Took the WR one apart today and it wasn't too difficult really. £15 for the rebuild kit so I'll see how it goes.
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Small update,
A used stock TDR 125 exhaust popped up on eBay the other day so I grabbed it for £60 delivered. I quite like the original look of the bike, even if the performance won't quite be all there. I think it's a good selling point. If I do decide to keep the bike I might pay out for an aftermarket one though. Not bad condition I thought, should clean up nicely.
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found this on fleebay http://www.ebay.co.uk/itm/YAMAHA-TDR-125-1997-front-brake-calliper-master-cylinder-mirror-/231502918329?hash=item35e6a632b9:g:l6cAAOSwPYZVAGwi
its nothing like a fzr calliper -
Plastics definitely need some work, but overall they are in a lot better condition than I remember. Left to do is fit new indicators, fit new exhaust and rebuild front calliper. Then I'm pretty sure it'll be okay to get through an MOT!
Totted up all the receipts I have for the bike and it came to just over £1200 including original cost of the bike... Wasn't surprised, but if I had of known it was going to need that much spending on it, I would have considered just selling it for parts tbh!
http://i.imgur.com/Gfa8tuU.jpg
Another video of it running with the full stock exhaust system on it now.
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Has been years since it was ridden on the road but I took it on it's first outing today! Didn't go too well as I completely forgot that it doesn't have a low fuel light, and left it on reserve!
https://youtu.be/JG8DehEB0OcTDR 125 - 2001
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Has been years since it was ridden on the road but I took it on it's first outing today! Didn't go too well as I completely forgot that it doesn't have a low fuel light, and left it on reserve!
https://youtu.be/JG8DehEB0Oc@MIGHTYMAN Long walk pushing it I guess? LOL
But looks like she rode well before the lil blooper!!! ;O)
