Originally Posted by dizzyblonde

we had a good look today, cam chain fine, cam holders scored and cam bearings scored, that because my daft other half hittin the altermator plug with a impact driver, and me not noticing i had a leak. thus creating a low oil level, which I hoped hadn't got too low.

bearings whining. looks like a new head, but for now, some Zx1 has been put in, to see if it calms it temporarily