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Old 06-04-2013
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Re: Yanmar tach reads low rpm

Aaaahhh...... Thanks
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Old 06-05-2013
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Re: Yanmar tach reads low rpm

I recently put a Faria tach in for my Yanmar 44; it reads fine to about 2400 RPM, then goes in reverse (showing lower) RPM as I increase throttle.
No calibration adjustment, just number of teeth (correctly set for 127).
Unlike the diagram I have a 'stbd sync' and a 'port sig' connection, both of which are connected.
Drives me nuts.
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