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Well, Ive turned every screw I can turn every which way but loose on my new YS 110. I don't know how to get it back to factory settings so I can star all over. I'm having trouble getting a sustainable idle inverted on my old Gold Edition P-40. I was so impressed by Rishard L's that I had to have one. This engine discharges quiet a bit of raw fuel on throttle up and I don't know whether the low end is too rich or the regulator is too rich. The frustration is causing me to want to put the OS 91 back in. I'm using BYRON 15/18 fuel with an OS F plug. It also drips fuel from the carb in between runs. Ive run it about 15 minuted total on full throttle at about 8500 rpms with a 14-7 3-blade prop.
Can someone come to the rescue?

Carl
409-658-2678
Beaumont, Texas 77705