A buddy of mine is having issues with SON as well, no surprise there, The lifters are noisy as hell and they say they cant hear anything.... it's loud.The bike is less than a year old Anyway i'm going with him this w/e with paper and pen in hand and when they say they cant fix it i will have them sign what i quoted them, and when they say there might be a charge i will be asking who authorized a fee when it is clearly a warranty issue, again please sign. They are quick to sell , their CC is atrocious . I wont stop until they fix his bike!!!!!!!!!!!!