its happened to me too.it damage my stock valve and tappet adjuster....so haved you found the solution?....i also 'fall in love' with this cam...i still dont know what the causing to this problem......hope somebody can tell us or found the solution.....really like this cam....or there is any brand that wih same spec?yaiks ! sir may i know the manner of how you drive or how your bike was set up? may be theres a factor or may be its the quality?
are you using an aftermarket valve springs bro?..its happened to me too.it damage my stock valve and tappet adjuster....so haved you found the solution?....i also 'fall in love' with this cam...i still dont know what the causing to this problem......hope somebody can tell us or found the solution.....really like this cam....or there is any brand that wih same spec?
cams will suffer, even if its a standard or stock cams or aftermarket cams.