I just bought a 2005 V11 LeMans from a private seller here in Sweden.I took it for a 10 minutes test ride,everything was great.Then on my way home after about 50Km I stopped for gas.This was the first time I could hear anything because of thundering headwind.I heard a banging noice ,like when you drive a nail into concrete.Not good,so I stopped and had it brought to a workshop.When he looked at it there was nothing wrong with the other valve clearances exept for the right hand inlet valve that was off by 5mm! So what I heard must have been the valve banging on the piston.
Has this happened to anyone of you?
The guy at the workshop only had time to have a quick look for now and it will be weeks before he has time to really dig in,so I'm asking you guys,what could have caused this?
He said the push rod was fine by the way.
Help and input appreciated.