Re: Throttle control loose!!
There is a throttle friction adjustment knob below the ignition switch on the standard side mount remote control. But, there are many kinds of remote control, all different.
You can see the diagrams for most OMC/BRP controls on the web site by clicking the parts diagram in the upper right corner and navigating to "OB Accessories" for the year of your setup, then to "Remote Controls":
http://shop.evinrude.com/