I recently got this e50 to rebuild for my winter project. Tonight I decided to clean it up and break it down to have a look inside and I discovered what may be a problem. Is that hole on the right side of the crank a problem? What causes that?
http://i39.photobucket.com/albums/e153/bhelsten/IMG_0511.jpg
http://i39.photobucket.com/albums/e153/bhelsten/IMG_0516.jpg
Any advice?