RPM erratic regarding

[barbeau]

I fly airçraft with Rotax 912s and double SV
RPM regarding becomes erratic at 3800/4000. I know I have to install resistor in line somewhere. But I don't remembre where.
Any advices ?

 

[jakej]

That's not fair : - did you even bother to read the manual ?

Info is on page 7-33 (rev O) as plain as daylight.

Jake J