Okay, I've tried everything else, now it's time to resort to some suggestions from you guys. I've got an Evolution .61 on my 4 Star 60. I bought the engine new, and at this point it's had 3 tanks of fuel through it. Problem is, I cant get it to transition without quitting. I've messed with the low speed needle til I'm blue in the face, even going beyond the stops to try and get it adjusted. 4 flights last Saturday, 3 deadsticks. Every time I went to idle on approach, the engine quit. This engine has not run consistently since it was first started. After it idles for a few seconds, if I try to throttle up, it either dies, or tries to die every time I try to increase the throttle. I've replaced all the fuel lines, checked for obstructions in the needles and carb, nothing. I'm about ready to pull my hair out, then pull off the engine and replace it with a 4 stroke. I've got an Evo .46 on my LT40 that has run perfectly since the day I bought it. This one, on the other hand, is a real pain in the ***. Any suggestions would be greatly appreciated!