What's the maximum you can LOWER a stock 09 Ultra seat and the maximum you can move the rider forward? Also, can it be narrowed?

 

What I recommend is going one inch lower and narrow the seat. I can go lower but the seat pan has a banana shape and this will transfer over to the riding position the lower you go and if you are a large person this will create a lot of pressure on the boys. Usually going lower in the seat has a tendency to move you forward slightly but we can move you forward up to a inch but doing this for a larger person will put pressure on the family jewels because of the sharp rise in the front of the seat.