I have a Genuine Suzuki RG500G factory manual from when I had my Gamma...I will try to find it and if I do,I will look up the info&post it
Thank you for your offer. I have downloaded some RG 500 manual already. But there is no info how to do it. I found also some pictures with already dissasembled shock and tryed to contact the people but got no answer. Looking forward for your help.