The amount of oil will vary based on the following:
* Engine heat: more heat = more vapour = more oil going out
* Engine revs: more revs = more blowby = more gas+oil going out
* Engine wear: more wear = more blowby
You can drop the oil straight back into the sump - some people add a tapped outlet to the bottom of their catch can that is joined to the sump and, upon opening the tap, the oil flows back to the sump. On the YD25s this is done through the oil return hose on the turbocharger which is low on the engine and below the turbo, but the V9X engine has the turbo up higher and I'm not sure where the oil return is. It's possible to just empty it back into the oil filling point.
There isn't anything wrong with the oil - it is simply oil that's been heated, it's become vapour and blown out of the engine. It will still lubricate things. I'd try to remember to empty the catch can when changing the vehicle oil, so you don't mix a large amount of old oil with new stuff.
Hi guys newbie to the forum,I have a catch can fitted to my stx 550,how much oil should be in it after 1200 ks,I checked mine and there was about 70mls,is this excessive thanks for any advice cheers Rob
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