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New (to us) boat - Steering issue

Old 01-13-2019, 12:11 AM
  #1  
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Default New (to us) boat - Steering issue

Hi All,

We picked up a new to us boat yesterday and we are very happy with our purchase. 1973 runabout hull that has been very well looked after with a 1992 mariner 75.

We took the boat out today and the hull and motor were perfect however we did have an issue with the steering. It seems a little stiff which is annoying but manageable the big issue is turning left. We only seem to get two turns of the wheel and then its locked.

I am unsure if it's because the steering cable (red) looks to be too long or something else.

I've attached a few photos one of the steering cable &

another of the cable behind the steering wheel and the other of the steering rod(?) at full turn.

Any advise on what we need to do to resolve this would be great.



Cable behind steering wheel at max turn


this is at max turn barely enough to steer to the left


does this bend cause issues with turning left / hard steering?
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Old 01-13-2019, 12:29 AM
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Cable should have long sweeps. Those cables don’t like short bends. Also the cable could be bad. They are pretty cheap to replace.
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Old 01-13-2019, 02:33 AM
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disconnect the drag link that connects to your tiller arm shown in your second picture. Turn the steering wheel and see how it feels, is it stiff? Count the number of full revolutions that you get on the steering wheel with the motor disconnected from clockwise to counter-clockwise rotation. This will be the full number of turns that you get with that steering system. Divide that number in half and that will be your straight forward steering position. Turn the wheel to that position. By hand, move the motor to the straight forward position and reconnect the drag link. You will now have equal turns in both directions.
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Old 01-13-2019, 04:07 AM
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While the linkage is disconnected grab the motor by hand and turn it left to right and see if one way might be harder or stiff. Should swing freel both ways.. regrease all the fitting. Some on tilt tube where steering cable goes thru and on the engine pivot upper and lower area.if to stiff you might have to heat up were the swing point are .
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Old 01-13-2019, 11:57 AM
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Thanks all will try all these things
Cheers
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Old 01-13-2019, 12:19 PM
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Grease the motor mount shaft on which it rotates left and right thru the zerk fitting ( you need a grease gun and disc brake red grease) . Stick a lot of grease in there till it comes out the top o mount. Don’ t be stingy. This is a very neglected thing.
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Old 01-13-2019, 01:42 PM
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There are 2 holes is the tiller arm of the engine. Try moving the drag link to the hole closest to the engine. The engine will turn tighter. Could be a simple rigging error.
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Old 01-13-2019, 01:55 PM
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Sounds like there may be some teeth off in the steering box.
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Old 01-13-2019, 10:31 PM
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Originally Posted by Backcove26 View Post
There are 2 holes is the tiller arm of the engine. Try moving the drag link to the hole closest to the engine. The engine will turn tighter. Could be a simple rigging error.
Regarding the "left (port) turn" issue, this ^^^ could be the problem. Or, perhaps they used the wrong link arm when they did the motor swap. A longer link arm will turn the motor harder to port as the cable pulls it. Regarding the play in the steering.....as noted above it could be the steering box or there is play somewhere downstream of the steering box.
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Old 01-14-2019, 04:29 AM
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Drag link may be a little too long?
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Old 01-14-2019, 10:43 PM
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Thanks all bit hot out here at the moment to go fiddling with things (104f) so I'll check it out over the weekend once it cools down.
Thanks again.
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