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View Full Version : 1997 Maristar 225V speedo is out 5mph


raleydog
04-30-2010, 07:33 AM
Hi guys, I have the Teleflex electonic paddle wheel speedo. At 20mph on the gauge my GPS reads 25mph.
Is there any way to calibrate these speedos. I had a look at the back of the gauge and could not see any adjustment but it is in a very tight spot.
Thanks

FrankSchwab
04-30-2010, 01:25 PM
Does the accuracy change at different speeds? If so, it's probably an issue of where the paddlewheel is located - it may be in an area where water flow is accelerated at 20 mph, making the speedo read faster.

On mine, the speedo accuracy changes depending on loading - if my passengers move to the left, the speedo reading changes compared to them being on the right.

I solved the problem by bolting a GPS into the dash, and using it as a speedo. Much better.

raleydog
05-06-2010, 10:18 AM
ok thanks Frank. I will check into that paddlewheel.