Sorry I lost track of the thread. Been out of the country. Clutch gap @ .5 is ok. Centax clutch specs is 1mm. I even go lower to .02. Is adjustable It works by centrifugal force. Depending on Idle and the LSN. It bogs cuz the initial break of throttle there is a lean condition. Once you have the correct engine tuning, then adjust the clutch engagement.