Anyone having problems with stock pistons on an '07 M1000 turbo. Only 6 hours riding on new turbo install. Ring lands on both pistons broke, and lost 1 skirt (and a cylinder of course!). No sign of detonation on the piston domes. Oxygen was between 12 and 13, EGT's below 1100F. Boost around 10psi.
???????
???????