Dirty oil after top-up - Ducati.ms - The Ultimate Ducati Forum
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post #1 of 9 (permalink) Old Dec 8th, 2016, 4:28 pm Thread Starter
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Dirty oil after top-up

Hi All

I have a new Ducati XDiavel S 2016. I've done about 5700kms now and noticed that the oil had dropped slightly below the minimum line. Bought the recommended oil and topped it up. After my first ride after topping it up, I've noticed that the oil in the viewing window now seems dirty (grey-black) instead of the honey color it was before. The shop who did my 1,000km service said that they used the recommended oil.

Is this blackening expected? Should I be worried? I still have almost 9,000km before the next scheduled service.

Any advice appreciated.

Thanks,
Craig
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post #2 of 9 (permalink) Old Dec 8th, 2016, 4:55 pm
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Yes and No.



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post #3 of 9 (permalink) Old Dec 8th, 2016, 8:41 pm Thread Starter
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The exact answer I was hoping for!

Thanks,
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post #4 of 9 (permalink) Old Jan 3rd, 2017, 1:41 am
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Oil change intervals

As the owner, only you can decide whether 10,000km is a reasonable duration to run the oil for. Since you have been consuming oil, it is indicative that the rings are not fully sealed. That means that a lot of junk is getting past them into the oil. I would never run a new engine into a grey-black condition. The oil may be fine but the contaminant level is not being managed by the filtration. I would certainly at least replace the filter at interim periods to keep the particulates under control. As far as the build up of acids in the oil over time, it would depend upon how humid it is where it is ridden. A filter will not prevent that.
As an owner, it is up to you to manage your investment. It may be your choice to do minimum maintenance and replace the bike after a reasonable amount of time or you may wish to maintain it as though you will ride it forever.
Engines that share gearbox oil are additionally hard on the oil and put metallic wear particles into the oil. Eventually the gearbox quits shedding particles.
Many Ducati dealers recommend accelerated oil change schedules and this is disputed or praised by owners based upon their personal experiences.
My parents bought a Volvo V70 in the late nineties and the factory recommended 10,000 mile change intervals. The dealer said that they did not agree with the factory's policy change and provided a free oil change service at 3500 miles for the life of the car for the first owner. They never once tried to sell an add-on during a change.
One must decide if the manufacturer really thinks the interval is correct or specs it with a longer duration to increase sales. This happens two ways. One, people choosing between bikes will look at the cost of ownership. Two, when it wears out they get to sell parts, service and new bikes. Oil is cheap and recyclable. In addition, a bike will run better and shift better with fresh oil.
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post #5 of 9 (permalink) Old Jan 3rd, 2017, 5:12 am
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If oil is low then time for an oil change.
You CANNOT change the oil too much...
Think about that answer...

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post #6 of 9 (permalink) Old Jan 3rd, 2017, 11:39 am
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I still don't see how adding a little oil made the oil go dark, give me the theory on that one ?

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post #7 of 9 (permalink) Old Jan 3rd, 2017, 11:51 am
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The new oil goes to the top of the site window, that is when you looked at it to see it was clear. Before when the level was too low only a thin amount of oil was there so it looked clean too. After riding the old and new oil mix and it goes to the normal dark color.

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post #8 of 9 (permalink) Old Jan 6th, 2017, 8:07 pm
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^^^ What he said.

After riding 4700km the oil in the crankcase was already darkened. Adding the new oil didn't make it dark, it just mixed with the old oil and brought it up to the level that it could be seen.

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post #9 of 9 (permalink) Old Jan 6th, 2017, 8:34 pm
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Ok, I'll buy that. I didn't pay attention to the mileage on the oil.

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