Ok I am pretty much made my mind up to get one but have a few queries. I have sat for hours reading other posts about this but am still a bit confused! My bike is an 03 450 I am going to install new oem friction plates with my z-start. I have not done any clutch mods does this matter? Also I only ride mx, nearly all the reports have been on woods and trail riding, does anyone have any reports of how it performs in mx only? Thanks in advance for your help!