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Speedo’s not equal Printed From: CorrectCraftFan.com Category: Repairs and Maintenance Forum Name: Boat Maintenance Forum Discription: Discuss maintenance of your Correct Craft URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=875 Printed Date: January-24-2025 at 4:56am Topic: Speedo’s not equal Posted By: Guests Subject: Speedo’s not equal Date Posted: October-01-2004 at 7:34pm I have an '83 Nautique with Airguide 50 Speedos. The two speedos read exactly 2 mph different at speeds above 15mph, a little worse below. When at idle, the resting points for the speedo needles are at different locations, the faster reading speedo rests at 1/2 way between the 5mph mark and the bottom vent tube, the slower one rests right against the bottom vent tube. Is there an adjustment that can be made at the speedo to correct the difference.?? Replies: Posted By: IrishFooter Date Posted: October-03-2004 at 11:47am There should be an adjustment port at the bottom face of the speedo. It may require a very small allen wrench or it may have a knob in place. But theu should be equal ------------- 1979 Ski Nautique Posted By: Guests Date Posted: March-01-2005 at 3:22pm If you hook the pickup end hose to an air source you can acurately calibrate the speedos. Adjust the speedos individually to 36mph at 17 psi.

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