Spring compressed and spacer-jam removed, carefully lift the compressor up and remove the spacer.
Next pull the spring out. *NOTE* on the Busa there will be a small metal cup ontop of the spring, make sure you check how it is placed on the spring.
Invert forks to drain oil.
Upside right, we slide the upper tube off the lower tube.
Invert lower tube, grab the cartridge and pump a few times to finish draining as much old fork oil as possible.
Invert lower fork, holding cartridge rod to the side, and remove the 10mm hex head bolt. There is a copper washed on the bolt.
Pull the cartridge out and pump to remove all oil.
The bolt and copper washer. Clean the bolt and replace the copper washer.