All the info you need is at the AD website, they have the full manual there in PDF. I just changed the oil in my forks, the right one was virtually empty.
changed my fork oil last week man was it dirty and low looked like roastbeef gravy with a little pea soup mixed in good idea to change it!made a big difference in the shop cant wait to try it out!
503 belonged to brian mccurdy, proof tha these machines hold up. put straight edges on main chasis, straight as an arrow! rear subframe and front bellypan supports took a little lovin but are straight now. gonna be sweet season!