NC35 Temp gauge

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james....
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Bike owned: 97 NC35
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NC35 Temp gauge

Post by james.... » Thu Mar 29, 2012 11:29 pm

Hey anybody know of a wrong sender or other fault that would make my bike run cold on the gauge? The rads are hot and i can see on the water temp gauge when the thermostat opens but its only just 5-10mm off cold on the gauge? Could a previous owner have fitted wrong sender or other electrical gremlin to find?

magg
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Re: NC35 Temp gauge

Post by magg » Fri Mar 30, 2012 1:15 am

Sender could be stuffed. Honda service manual has a test for the gauge, says disconnect sensor wire and ground it. Turn on ignition, gauge should go full scale, remove ground within 5 seconds to prevent damage to gauge.

To check sensor, place in a container of coolant and measure the resistance at various temperatures: 50 deg C, 130-150 ohms; 80 deg C, 45-60 ohms;120 deg C 10-20 ohms.

Hope this helps.

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CRM
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Re: NC35 Temp gauge

Post by CRM » Fri Mar 30, 2012 7:39 am

normal running on a good system will only see the temp goto around 1/4 of the way.
never seen mine over half way and that was stuck in traffic in spain.
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