LOW READING TACHO

[simmosimkins]

just noticed my tacho (22 tc man) is reading 500 revs low all the time, any ideas why this may be anybody?

 

[SydneyRoverP6B]

I imagine that something inside the tacho is not as it once was. Why not have it serviced by an instrument repair business?

Ron.

 

[simmosimkins]

Sorted it for reference bad earth to coil terminals cleaned and reattached works exactly as it should now