The RPM seems accurate above 4000, but is very erratic between 1500 and 4000. As soon as the revs climb above 1500, then they indicate high figues, about double the actual and seem to jump around a lot.
Interestingly, if I set the Variable RPM limit to 0 instead of 8000, it shows a maximum of 12,000, so it seems there might be some sort of erratic spikes.
I hope someone can help
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