Just installed JD kit and it ROCKS.I thought the 178 main might of been to big but ran strong,with blue needle on 5th clip.No outher adjustments needed so far only went around the block.Ill take it out tomarrow and really test it.Im running neer sea level with stock exaust and promotto spark arrester installed.

Thanks for your impressions!  

Rode today bike ran strong had to play with pilot screw a little.Im going to try the White Brouthers E2 exaust when it comes out in Januarry,The pro motto spark aresster I running corks it up a bit.