Backround: located in CT- sea level approx 43 degrees F 2001 XR650 "O" carb isulator 170 main 68s pilot B53E needle looks like B53F air box pieces removed HRC tip Problems: Can't start can't get feeler guage to fit in slot. Is it possible thngs are that tight? Is this the correct placement for the feeler guage? Is this how the valves look @TDC? I'm on the "T" mark, but everything is locked up. Arms will not move.