Whats the quick fix for super tight steering. grease? or is the only realy fix just running a new cable?
Probably a new cable. You MIGHT get away with removing it and flushing it with brake cleaner and oil, but for the cost of the things, the trouble to R&R it, and it's safety importance, best to just change the silly thing. Might have to change the Helm as well (new helm usually comes with the cable anyway if you buy from JBP, Cyclone, CP, etc).
Other things to look at first, though, since this is a new-to-you boat and lord knows what sellers will do to a boat to get it "ready for sale". Check the steering tube the cable comes out of to make sure it's clear, the pin bushings on the jet nozzle itself, the geometry of the cable, and (Seen this once last summer) the bolt securing the steering cable to the tiller arm on the jet. Needs to be a proper length shouldered s/s bolt tightened down with a nylock nut underneath making sure it stays put. One I seen had a regular bolt, over tightened, binding the cable end from pivoting properly. That point needs to pivot freely.
Ray