I ran across a video on YouTube where a gentleman from the UK used a true heat gun, not hairdryer to restore the plastics on his ST1100. He placed the heat gun oh high and slowly waved it across the very faded plastic and it brought the plastic back to an as new color. I did the same on my ST1100 and it actually worked! Hold the heat gun about 5" from the plastic and watch sun fading disappear. unfortunately, this will not work on the grab handles of the side cases. Sorry that I was unable to locate the YouTube video but I hope this helps.