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moomba156
05-06-2019, 07:08 AM
Hey guys just got my boat back from storage at the dealer and my speedometer is way off. At 12 mph real speed in at 4.3 mph on the screen and at 22 real speed I’m at 10 on the screen. Any ideas? Thanks!


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larry_arizona
05-06-2019, 07:26 AM
GPS or paddlewheel?


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moomba156
05-06-2019, 08:02 AM
Paddle wheel


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larry_arizona
05-06-2019, 08:51 AM
The paddle wheel is known to go bad often, the sensors are not very robust.

Easy fix if it needs to be replaced. Easiest if boat is out of water but can be swapped if in the water.

Yours should still be under warranty.

The odd thing on a Supra is they have GPS and the paddle wheel as back up????

Not sure why GPS needs a back up unless that sensor also does water temp.


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