steering problem

I have a 2016 Yamaha F90 connected to a Teleflex rotary steering system. When the engine is not running and I'm moving around in the boat, the outboard flops side to side. In other words, if I move to one side of the boat making the boat lean, the outboard will flop over to that side. It's aggravating because it's hard to keep the boat going in a straight line using the trolling motor. I've been hooking a bungee cord to the steering wheel and the gunnel to add some stability. There does not seem to be anyway to add tension to the steering either at the outboard or the helm. I'm wondering if a mechanical "No Feedback" rotary steering system will solve this. The hydraulic systems are more money than I want to spend. Thanks for the advice!

There is something loose there have some one move the steering wheel back and forth while you watch all the attachment point. Thee out side of the cable should not move around either.

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Originally Posted by Bricks

There is something loose there have some one move the steering wheel back and forth while you watch all the attachment point. Thee out side of the cable should not move around either.

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There is not any free play or looseness that I can see. If the motor moves the slightest bit, the steering wheel turns too and vice-versa.

I understand now I did not realize the steering wheel turns also. What type of steering does your boat have?

Dual cable, no feedback is the way to go. It will stop that. It's almost as good as hydraulic and a lot cheaper. Plus much safer, motor will not move without input from wheel. If you decide to go this route and do it yourself read instructions real good. They can be a little tricky getting the slack adjusted out of them.

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Originally Posted by Cray

Dual cable, no feedback is the way to go. It will stop that. It's almost as good as hydraulic and a lot cheaper. Plus much safer, motor will not move without input from wheel. If you decide to go this route and do it yourself read instructions real good. They can be a little tricky getting the slack adjusted out of them.

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Thanks, Cray! That's exactly what I wanted to know.

Look under the steering wheel and on the back side check and see if their is a spring with a bolt going through the center of it. Turn the bolt in and see if it tightens up the wheel and if it does get it to the point when under way at idle it will hold if you just have your palm on the wheel.