I saw that someone on ebay is selling swingarm bolts with grease fitting in them for 400ex's. I did some research and some people have done this to their stock bolt. Has anyone done this?

Check it out here Swingarm Bolt

 

I did it on my old YZ and you have to grease it from both ends because if you only grease it from one end the grease will take the path of least resistence therefore only greasing the bearing closest to the grease fitting. The fix: put grease fittings on both ends. The other problem is the grease fitting sticks out kinda far so I had plugs I would put in its place after I greased it.

 

Thanx for the reply. I found today when i did it that once the closest side gets packed the farther side will start comming out.