2000 Honda 450 s cooling fan on all the time.
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The wire from the sensor switches the fan on when it is earthed, so most likely, that wire has shorted out on the frame somewhere. Honda 350s do this if the CDI has an internal fault, but I don't think the 450 uses the same CDI. Check both the speedo sensor wire and the temp sender wire, my guess is where they meet up behind the engine, you will find a short.
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scurtis60
1) Engine problems..
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10-06-2011 08:04 AM
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