I now have TWO KDX's in my garage. One of them is an 87 200, that i've been rebuilding (picked it up for a song). Now, it's time to overhaul the shock, and I'm looking for pointers. for a 200 lb novice rider (fully clothed); what weight of oil to use? should i replace the rubber bumper with something heavier? should i obtain a heavier spring? how much pressure in the bladder? anything else?