How do you remove the clutch assembly to replace the bushings in a 2007 arctic cat M8?

tried pulling and unscrewing the spider off the shaft, just wondering if its threaded onto the shaft or is it pressed, was able to remove the inner 12pt bolt that rides inside the shaft. if someone knows of a site that explains how many thanks|||to much detail for this forum, get your self a repair manual to save a lot of grief.