When you say ports, are you talking about the internal porting that operates the RAVE? If so, yes. You can take a can of WD-40 and using that little red straw attachment to the nozzle, give each port a shot for a second or two.:cheers:
If the valves move freely in the ports then I'd leave the ports alone rather than take a chance of debris going into the cylinder. "If it ain't broke....don't fix it" applies here.
DAWG