Question about 2003 Aprilia Tuono 125
Had my bike taken into the dealer yesterday to get the hose clips done after leaking coolant all over my garage floor. The guy from the breakdown service pointed out to me that my clutch fluid was black. To be honest I hadn't noticed (got it from new in April and done 3K since). He then said Look at this and took the cap off the reservoir. There was condensation on the rubber seal inside. He said that it was a very common in Tuonos and it's the condensation that turns the fluid black. (He used to work in an Aprilia dealers
He said so I assume that he knew his stuff). He suggested Castrol synthetic clutch fluid which is less succeptible. Any views on this? Anyone heard this before? I've had a look and it seems that dark fluid is common but people here seem to see it as being due to other things. The main thing I guess is DO I HAVE TO BE CONCERNED or shall I just leave it alone. Is there any problem with it? ,Discolouring of the clutch fluid is a well known Aprilia trait caused by the seal in the clutch slave. I believe some people have lubbed this seal but the majority just leave the fluid and change it when required. Mine has gone black on both Aprilias I've owned; if you replace the fluid it'll probably be black within a couple of months. The problem is not water; Most clutch / brake fluids may be hygroscopic but absorbing water doesn't turn it black. ,,,
Posted on Nov 10, 2008
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Posted on Jan 02, 2017
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