throttle control

Looking to replace the factory Engine Control (throttle/ shifter) for 2000 Hunter 460. Looking for recommendations

Hunter 34 with YS pedestal. I am unable to tighten the throttle cable clamp sufficiently to overcome the Yanmar 3GM30 return spring. Is this a problem with the governor? I have tried multiple fixes such as a throttle opening spring. adding friction makers to the cable, etc. I wonder how...