The ride down will be 7 over on the slab.
On the route I am told in OR terms it is Medium or a little over Medium. I am one of the faster cruisers I know, but it's still a giant rolling couch with limited lean. I tend to brake late and hard getting to a corner, then roll on hard about halfway through the corner. So the sport bikers following me can easily run their Medium as long as they are not too close to me at the end of a straight as I brake. If they lay back a bit they can stay on it and I will be out of the corner before they get there.
Kind of hard to explain. Your 900 will do just fine, you have the HP to weight ratio to accelerate well and you can lean far more than I can.
I also run the route in reverse, so we can flip everyone off as we go by the other way.