Re: knob on evinrude controls?
idiot? no...nincompoop..maybe ha ha
that there is your throttle lever FRICTION control...
makes the lever harder or easier to move...
when you give it half throttle and let go..you dont want it falling back down and your motor throttling back down as well.
with the right friction the lever will stay were you leave it..when you take your hand off it.
good luck
bob