A pic of this part in my bike. As you can see a lot of dust is around the pipe (and the bike has not drop so far... ). So the dust can go directly inside the air box through this imperfect union and this could very well be the culprit of the dust on screen Has anyone put silicone in this area as jonhgil suggests us or any other solution?
Hi again Instead of applying silicone I've used a small piece of plastic bag the way you see in the pics. I hope it works and lasts Now I cut the bag: