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jwarren 
Newbie 
Joined: May-24-2007 Location: United States Status: Offline Points: 1 |
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 Topic: SpeedometerPosted: May-24-2007 at 2:31pm |
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I am a new Ski Nautique owner. I have a 1997 19'-6" Boat.
It has two speedometers. There is a way to calibrate them on this boat. I'm wanting to verify this, as the individual who told me wasn't sure. He said at 2800 RPM, I should be going 32 MPH. I should be able to calibrate each one off of the Tachometer. Jim |
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Jim Warren
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bkhallpass
Grand Poobah 
Joined: March-29-2005 Location: United States Status: Offline Points: 4723 |
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Posted: May-24-2007 at 2:36pm |
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What Motor and prop do you have? I had a 1998 Ski Nautique with a GT 40 motor,stock prop, which is essentially same as your boat. The ratio of tach to speedo on my boat was closer to 1 to 1. In other words, at 3000 rpms, I was doing close to 30. If you have a stock setup, I'd be surprised if your doing 32 at 2800 rpms.
On mine you could manually adjust the speedometers. There was a small knob that stuck out of the speedo. The best way to adjust the speedos is to buy or borrow a handheld GPS to compare. I found that the speedometers were not entirely accurate through the speed range. Accordingly, I normally tuned them so they were dead on at my typical skiing speed of 34mph. BKH |
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