Carbon out the exhaust?

Well im getting like a dampish carbon out my pipe like its not dry like my other bikes. Seems to be like a smug carbon it wiped off though. Its not blue. And there is no smoke out the exhaust. Water levels stay the same all the time so its not water or oil. :s confused! New build engine aswell about 3 months ago. Starts up first time everytime no knock noises etc etc any clues guys? Or is it normal?

Also oil changed every 1000 miles. Did one last week everything looked fine. Also put like a white tissue over the pipe or near while it ran and nothing was on it :/

Probably condensation associated with climate change or possibly doing shorter trips in colder weather...

short trips doesn't allow the moisture to be dispersed from the exhaust and engine completely

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