Anyone else have an issue with the little bearing at the power valve adjustment screw on a 2015 XC/EC ?? I've been through two of them now in 12hrs ! .... makes a horrible screeching noise.... first one was replaced @ the dealer under warranty and only lasted one ride ! .... seems they may be starving for oil as they're a shielded but not sealed bearing .... I may try to find an after market one with no shield (all open) and see what happens ...