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2003 RXDI RPM Erratic

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Eavedesian

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Hi I was wondering if anyone might be able to help. I have a ski running pretty well.

However, the RPM readout on the tach seems to not read steady on the multi-display. Does the unit take the pulses from the mpem and generate its own output or does the MPEM generate the full output and the multi-display just shows it?

The reason I'm asking is because the RPM display is not as steady as my other DI. Engine doesn't sound like its misfiring or anything. I get pretty much full speed. Had the flywheel cover off and it is clean inside.

Thanks for any insight you can provide.
 
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