I recommend that you do NOT make a schedule to follow. The reason for this is because if you put yourself on a schedule, it will eventually become a tedious routine that you're forcing yourself to do. Just write when inspiration or motivation hits you and put it down immediately because that burst of energy will die off fast. This is the time to force yourself to spill your mind onto paper, even if it's just a paragraph. If you make a schedule, writing will start feeling like a job you just want to finish and get out of the way, which will demotivate yourself and possibly lower the quality of your work.
Something I always do when writing is to set the mood right. Put on some music that is appropriate for the story you are crafting. Making a fantasy story? Turn on some Celtic. Mystery? Put on something suspenseful. By putting music in the background, it helps with the work flow and it makes your hands just go do the work itself.
Motivation From Others
The feeling of others experiencing your work is quite satisfying. Try to imagine the reaction from readers such as the shock, tears, laughs, etc that you will give them. Then if you attract some who want to follow your works, keep them in mind when you look at a WIP.