Under the cover are friction adjustment screws.

Yamaha jet boat throttle friction adjustment. Set it until you feel a slight drag on the handle when accelerating or decelerating. Its the tension setting. When I accelerate and let go of the throttle -- it comes back down to idle -- very annoying.

Throttle friction is exactly what it means. The friction adjust is just a bit too loose so the lever wont hold an adjustment in a chop. You dont need special tools just a 3 Phillips screwdriver and a 2 flat screwdriver.

I have twin 2009 300HP E-Tecs with an OMC dual binnacle control. This is adjustable for operator preference. Turn the screws clockwise to increase friction.

Adjust the throttle friction with the adjustment screw thats typically below the throttle on the tiller. There are two screws on the bottom side of the control. There is a cover at the base of the throttle shift levers.

On the deck without scratching the deck. It mounts on the side of my console and inside the console is a fairly large sort of coffin-shaped control box. So for the book it is a.

Adjust until the tension feels similar to the left throttle lever. Loosen it too far and the throttle wont stay where you have it set -- in other words it will creep back toward slowneutral. But If you have any further questions on this or need more detail.