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1989 SN Steering Upgrade |
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KENO 
Grand Poobah 
Joined: June-06-2004 Location: United States Status: Offline Points: 11155 |
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 Topic: 1989 SN Steering UpgradePosted: December-24-2022 at 6:45pm |
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Along with the helm and steering cable and the tiller arm, you also need a shorter steering support tube if you want the steering to be able to use all of it's designed travel and get maximum rudder angle in both directions with the new shorter throw cable.(8.5 inches compared to the "special" CC cable you have now with 10.5 inches of throw.
You can buy a steering support tube that's 10 1/2 inches long or you can shorten the 12 1/2 inch tube that you have now. The tiller arm you presently have is about 8 inches from the centerline of the rudder post to the cable attachment point, the arm used with the later rack and pinion systems is about 6 1/2 inches. link to tiller arm The rack itself is about 19 inches long so it extends about 9 1/2 inches from the centerline of the steering wheel, so it takes up more space in the horizontal direction and quite a bit less than a rotary helm in the vertical direction. You should also google "measuring a rack and pinion steering cable" and "measuring a rotary cable" because they're done differently  |
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Fl Inboards
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Joined: January-20-2008 Location: United States Status: Offline Points: 2126 |
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Posted: December-24-2022 at 11:32am |
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A rack and pinion set up is possible however they do take up a little more real-estate under the dash. Also you will need to replace your tiller arm or modify your tiller arm. or try and find that oddball length cable that works with the old tiller arm geometry. |
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Hobby Boats can be expensive when the hobbyist is limited on their own skill and expertise.
1993 Shamrock "fat" 20. 2008 Nautique 196 5.0 |
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Greg_SA
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Joined: April-19-2007 Location: South Africa Status: Offline Points: 183 |
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Posted: December-24-2022 at 1:57am |
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Hi, I am going to look at a replacement steering cable, since mine has always been stiff. I will do some tests to confirm the bad cable, but its hasn't been changed in over 15 years. For the 1989 Ski Nautique, I believe I need the OEM "17.5 foot rotary steering cable", which runs about $350. I just wanted to know if an "upgrade" to a rack & pinion system is possible (and not too complicated)? Idea would be the non-tilt helm - Seastar SH5210P with matching cable. Has anyone attempted this on a "SN2001" Ski Nautique? Is it possible? The costs for those two parts is similar to the original cable. Just to add... the aluminum steering wheel hub is very corroded, and the plastic center ring is badly cracked. The steering spokes are loose, and I thing removing the bolts is stripping the threads. I might need to replace it too. Thanks, Greg
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1989 Ski Nautique (SN2001)
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