I will be following this thread because the steering on my 95 Maristar has always been stiff under load, especially returning the rudder to the neutral position after a turn at speed. I can turn it with with one finger on the trailer and in the water, but it gets tighter when the boat is above 25mph and the farther the rudder is away from neutral. I replaced the cable, the clam shell clamp, and the steering wheel is free with the cable disconnected. I removed the rudder and cleaned out the old grease from the rudder port and re-greased it. All of this helped a little but my last step would be to replace the rudder and port.
Your tiller arm has the same part number as mine but I don't have a more detailed picture of my rudder port. My port has a weep hole on the underside of the boat and grease comes out of the hole when re-greasing. My port only has 2 o-rings, one on each end. The only "bushing" that mine has is a nylon washer between the tiller arm and the port. I noticed from the pictures that your steering cable is connected below the tiller arm, while mine is connected on top. I will try swapping my cable position and see if it makes a difference. I did the same research a few years ago and I was told that I would have to replace the rudder and port as a set.
Your tiller arm has the same part number as mine but I don't have a more detailed picture of my rudder port. My port has a weep hole on the underside of the boat and grease comes out of the hole when re-greasing. My port only has 2 o-rings, one on each end. The only "bushing" that mine has is a nylon washer between the tiller arm and the port. I noticed from the pictures that your steering cable is connected below the tiller arm, while mine is connected on top. I will try swapping my cable position and see if it makes a difference. I did the same research a few years ago and I was told that I would have to replace the rudder and port as a set.
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