Heres a quick pic, you can also see the hole, thats where Im guessing a grease fitting would go but it looks kinda wallowed out, not sure what to do about that. So, would a driveline shop have the part that screws on, or boot? And is that something that has to be installed by them?
![](http://i4.photobucket.com/albums/y130/yamahablue/Mobile%20Uploads/IMG_1333_zpsf383858c.jpg)