Originally Posted by ram1000
I used a 3/1000 feeler gauge slide up into the seals on my wifes DR650 and it stopped the leaking for about two years now. The feeler gauge works better because it has its own structure whereas paper wouldn't hold up I wouldn't think.
Feeler gauge with a notch cut out of it about 1/2 inch from the end. Slide the gauge in carefully and use the small notch to pull the dirt and grime out of the seal instead of pushing it in to the oil. Work it very slowly and you won't rip the seal.