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Post by David on Jun 7, 2016 16:08:27 GMT -6
So, I've spent the last few months playing with my 89 Ltd. it is my first build with no prior mechanical knowledge. Definitely enjoying it!!
My only issue is over heating at present. It's easily red lining and in no time.
Ive had the entire system flushed which didn't make much of a difference. I know they run hot in general but I find myself thermostat watching.
My question is this, could I use a rad from a 750 or even the 1000 Ltd? I'm thinking a much bigger rad might help keep it half way regardless of miles.
Having owned a versys 1000 and a zzr600e before that I'm not used to worrying about the bloody temp.
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Post by davidkarl2005 on Jun 7, 2016 21:53:12 GMT -6
Not sure why it's saying I'm a guest?? Anyway, I'm considering a gpz 600 radiator. Even looked at the zzr600e rad but I'm thinking it'll be too small.
Could be completely wrong but my rational is bigger the better for this system??!
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Post by eaglerider on Jun 8, 2016 3:24:10 GMT -6
Is the fan working?
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Post by davidkarl2005 on Jun 8, 2016 5:26:30 GMT -6
I believe so, though it wouldn't make a difference whilst riding would it? Maybe it's temperamental and I haven't noticed.
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Post by knoizy on Jun 8, 2016 6:13:45 GMT -6
Have you been through the workshop manual tests? Thermostat, fan switch and water temp sensor can all be tested with a pan of hot water and multimeter (last two). My bet is one of those is malfunctioning.
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Post by davidkarl2005 on Jun 8, 2016 14:58:30 GMT -6
Thank you knoizy. I chucked in a cheeky bit of k-seal and it still presented with the same issue. Only travelling from Weymouth UK to Blandford 'roughly 30miles) i had to stop twice, the last stop the outlet pipe at the bottom was peeing out steam. Going to take it all out myself and test. I had tested the fan and myself and a friend checked over it but what we did last year I can't remember.
At least I've had the chance to ride, brief but ridden nonetheless. The ebay exhaust is beyond ridiculous noise wise, you can hear it miles away. Literally not one car would sit within 3 cars length of me. Probably a blessing however sure the Bobbies would say otherwise.
Appreciate all the comments. I'm glad this forum is still kicking. This bike will always be with me now, until it snuffs it that is.
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Post by hemi on Jan 23, 2017 21:53:11 GMT -6
A couple of things to check. When it's hot, is the whole radiator hot or just one side? Or just the middle, or just the sides? Could be plugged. I've used battery acid to clean mine. Luiqified the white crud that had built up. Only for about 30 seconds. Muratic acid would work to, but you must be quick about it since the acid will also start to eat at aluminum. Then a very good flush. It would be safer to do it for a few seconds a few times than to let it sit longer. Acids cheap. I had nothing to loose since my radiator was so plugged up. I had flushed it clean but it still only got warm in the very center of the radiator. After maybe 30 second of battery acid, I flushed out a radiator full of milky white stiff the acid dissolved and the radiator worked flawlessly after that.
also if your radiator cap is not holding pressure in the system will also cause overheating. The pressure raises the boiling point. If the water boils when contacting the cylinder walls the bubbles keep the water from contacting the surface and reduces transfer of heat. So having an effective radiator cap is crucial. You can get one from any auto parts store. Just ask for a cap for an old Toyota. They look exactly the same. They are a little hard to get on at first because of burs and poor manufacturing habits but it will fit. And the 2nd time you put it on it will go on as if it were born there.
if you have or can borrow a spot thermometer you can measure the different areas of the radiator. But my hand was enough to diagnose mine.
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