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 Speedometer inop???
#11537375
04/12/16 06:57 PM
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Joined: Aug 2013
Posts: 228
RickS
OP
Outdoorsman
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OP
Outdoorsman
Joined: Aug 2013
Posts: 228 |
I have a 97 Nitro 800 with a mercury 150xr6. My speedometer hasn't been working. In the past there is a pickup hole on my lower unit that has gotten plugged. Anyway I cleaned it and still didn't help. I'm wondering if it's the actual speedometer itself. It's actually stuck at 20 mph. How do I bench test it? Is there a water pressure specification for the speedometer? Thanks for any input!
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Re: Speedometer inop???
[Re: RickS]
#11537407
04/12/16 07:12 PM
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Joined: Aug 2006
Posts: 7,182
steve@S2Marine
TFF Celebrity
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TFF Celebrity
Joined: Aug 2006
Posts: 7,182 |
just my input. pull the gauge out and throw it away. instal a gauge like an engine water pressure gauge.  but.. to "test" it.. pull the hose off the back of the gauge and see if the needle drops to zero.
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Re: Speedometer inop???
[Re: RickS]
#11538050
04/12/16 10:51 PM
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Joined: May 2013
Posts: 34
centexChamp92
Outdoorsman
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Outdoorsman
Joined: May 2013
Posts: 34 |
Same thing happened with my '92. Each gauge would stop over time and eventually i just replaced them. They were either all stuck or wouldn't be accurate. Solid advice above.
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