Oi folks, When I bought my Real E, I did an oil and filter change along with some other maintenance things (loctite, case savers...) and I was horrified at the sight of the very mucky oil that came out of it. I cleaned the screen, which had nothing worth mentioning on it and replaced the filter, which also didn't have foreign matter in it that I could see. On the flywheel I found a "grey paste" which was obviously magnetic, but still not enough to raise too many concerns, I just figured the guy didn't change oil in a looong time (service manual intervals). There was a slight rattling noise which was corrected upon installing an MCCT. There are no other strange sounds comin from the motor, and I have my SM to compare it to. The valve clearances are all in spec except, with the right inlet at it's limit at 0.10mm, so yesterday I decided to shim it to 0.15mm. While in there I decided to take out the cams and inspect them, and this is what I found on the exhaust cam: The black substance blew straight off with parts cleaner, the scratches you see on the black section is from my finger nail as I scratched at it to try determine how deeply it's "burned". The head part of the carrier for this specific side is also slightly dulled but the rest of the head looks nice and shiney. So, given the information above, can I keep using this cam carrier? I can provide more pics and if needed, though the bike is back together already. Thanks in advance for any useful input.