Use ear plugs,you'll be surprised at how much more comfortable you'll be at whatever speed you decide on. You can hear the engine ticking but the pipes and wind will be barely noticable.
Try one of those little levers that attaches to the thumb screw of your throttle lock with a set screw. I turned mine to the inside so it doesn't interfere with my thumb when twisting the throttle. Adjust so that when you set the lever the throttle is barely locked so you can still move the throttle. Lastly,get one of those little rubber band devices with a palm rest that straps around the outer edge of the throttle grip. When you dont have the throttle locked you can still hold the throttle in position with just the palm of your hand instead of having to grip to hold the throttle in position. Both devices cost about twenty bucks total.
Good Luck on your trip.
Tom
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