retainer

Hi All Looking for opinions on why this happend Got me a 2010 FE450 a few weeks ago Good shape , starts and works great, fast as hell Had a bit of valve noise so decided to check them , this is what i see the valve retainer is cracked and the rocker has some serious damage to it the...

My FS 650 e 2007 , got a problem The retaining bolt[automatic decompression] on the camshaft gear , broke and got between the rocker arm roller [inlet] and the cylinderhead top . result : a hole in the cylinderhead top , broke the roller of the inlet rocker arm . The inlet valves hit the...