Sorry, O rings, I stand corrected. Just did the job yesterday- a little finicky to get the sensor aligned, but really easy job altogether. The old O rings were definitely stiffer than the new ones.
That’s excellent news! I took out the cover yesterday and indeed the seepage is coming from the bottom of the gear position sensor. I’ve tightened up the bolts and ordered 2 gaskets off ebay. I am glad that this seems to be an easy fix. Thanks for your reply! Maybe one day I will explore that...
So, how did it hold up? All fixed? I think I have the same problem-I hope tomorrow I have some time to remove the starter cover and see whether that’s where the leak is coming from.