The throttle tensioner is under the plastic plate and on the side of the control assy. You have to remove the plastic plate with 4 screws, than the 4 screws that hole the control levers down. On the outside is a counter sunk screw that adds or loosens up tension. adjust it accordingly till it is at a comfort to you. Use neverseze on the screws in case you have to remove it again. It will prevent the screws being seized up/ or corroded.