Funny you should ask about jetting, After much advice that was wrong from Sudco, I found that the main that works best for me is a 160 main, I have a 48 on the pilot and a DEK (1464T) needle in the middle position for the clip. It still may a little to rich on the idle to 1/4 throttle, because I am out about 2 1/2 turns on the screw. It ain't too bad though, but might start to load up on the plug if I don't get on it every 4 or 5 min or so. It will have to do until I get around to get a leaner pilot. Sudco said to start with a172 main, a 60 or 62 pilot and a DGJ needle 1 up from the middle. I did and boy was this thing rich. So rich that I felt like I should plant a tree or two to make it up to plant earth for the damage to the ozone that I was doing. Dalton125