overheating - Page 3 - KTM Duke 390 Forum
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post #21 of 93 Old 04-07-2014, 04:49 PM
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wonder if its possible to upgrade to a larger or more powerful radiator and fan
Working on it.......
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post #22 of 93 Old 04-07-2014, 08:25 PM Thread Starter
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@Zen. Your issues sound much severe than mine, I would get that checked out asap if I were you. generally my cooling system works fine, it's just occasionally when the fan seems to cut out for a minute when stuck at lights or in traffic that my temps rise.
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post #23 of 93 Old 04-08-2014, 02:58 AM
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i would say only change to a larger one after warranty expire... try fitting 690's ...or maybe a bigger or 2 radiator fan at once
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post #24 of 93 Old 04-08-2014, 01:09 PM
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You know what else I'm starting to notice is all you guys with heat issues are from year round HOT climates. Now I'm just going off what I've seen here, but must of the corcerns seem to be coming out of SE asia, OZ and Africa. I wonder if any Euros are seeing heat issues the same or the cooler climate is keeping the bike behaving...
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post #25 of 93 Old 04-22-2014, 05:59 AM Thread Starter
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To follow up, I took it into the dealer today, they ran diagnostics and a thermo fan error came up, they reset the computer and the glitch so far has gone away, hopefully that's all it was but I'll see how it goes.
@sandy mary yeah that does make a significant difference. The temperatures are dropping here in Sydney now that we're well into autumn and it runs a lot cooler now, providing you keep on the move, sitting at lights will still see it hit it's peak and the fan come on but takes much longer to get there. Air temps have been around 'chilly' 13 celsius in the mornings when I ride to work lately
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post #26 of 93 Old 04-22-2014, 12:45 PM
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Working on it.......
post your findings. good luck
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post #27 of 93 Old 04-23-2014, 05:24 AM
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To follow up, I took it into the dealer today, they ran diagnostics and a thermo fan error came up, they reset the computer and the glitch so far has gone away, hopefully that's all it was but I'll see how it goes.
@sandy mary yeah that does make a significant difference. The temperatures are dropping here in Sydney now that we're well into autumn and it runs a lot cooler now, providing you keep on the move, sitting at lights will still see it hit it's peak and the fan come on but takes much longer to get there. Air temps have been around 'chilly' 13 celsius in the mornings when I ride to work lately
Mitch, you could also try switching to Motul 300V engine oil. I have some buddies telling me that their bikes run much smoother and cooler.
Worth a shot. I will be doing the same when mine is due for the second service - about 1600kms to go.
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post #28 of 93 Old 04-23-2014, 07:33 AM
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Runs quieter but not cooler with the Motul.
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post #29 of 93 Old 04-23-2014, 08:49 AM
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You sure? There are few posts in another forum quoting that this oil has reduced the heating. I would get to know for sure once I use it!
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post #30 of 93 Old 04-23-2014, 11:52 AM
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300V is expensive stuff

its also race oil from my understanding

very short life span

no detergents
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