Did find this article where they actually tested some oils in motorcycles and did analysis on the oil after a certain number of miles to determine what percentage of its lubricative (word?) properties it maintained. Somewhat surprising results about dedicated motorcycle oils...
Testing...
Thanks y'all. We'll see how it goes.. measuring the tires cold before every ride and still losing a 1 psi per day. Seems fast to me, but the tires look good and feel good when inflated properly/warmed up so I guess I'll keep riding them until I notice anything sketchy.
I just bought a 2004 Fz6 about three weeks ago as my first bike (other than a Honda ruckus) and have bee enjoying it immensely.
It came with just over 9000 miles on the odo. and a fairly new set of Bridgestone BT 21s. The tires only had a year and 1000 or so miles on them. They appeared to...