So with the help of the videos and and threads, old and new, I managed to get my EHCS rebuilt. I only destroyed one wiper seal in the process so I'm feeling pretty good. I managed to get 130cc into the unit( I have no idea where you could put more). Since I don't have a spare battery I am unable to cycle the unit to test it. I pushed the plunger in manually to see if it was working. It works but not well. I think there is air in the unit but I don't know how to bleed it out without taking the chance of putting too much fluid in and causing damage. When pushing the plunger in I meet low resistance until about half way and then it gets harder to push in. It also makes noise as the rod returns to it's starting position. As I said I think there is air in there and I don't know how to bleed it out. Do I just drain all the fluid and start again? Go buy a battery so I can make it cycle through? Give up and use the center stand the "manly" way? All help will be appreciated and thanks in advance.