He found a source for the needle they have in the Greece and I assume Asian models that don't have emission regulations. For it to work right you have to change the other jets to match. When the parts come in and are installed, I'll report my findings.What is the motolab mod? I took my pilot from 17.5 to 30, seems to work well. Derek probably felt a pain when I did that. He seems knowledgeable if not dry in his other ADV site post.