Michael Denmark

Speedometer calibration

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My 28 has an adjustment screw on it and it needs calibrating. This requires taking the housing off the speedometer. The screw changes the distance between the gauge face and the magnet that drives it. If I get around to it, I will GPS my speed and have a helper adjust the speedo while we drive. 


I don't know what style speedo you have, but this is the style I'm referring to


Edited by David_Leech (see edit history)

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