Im guessing ?

[jdtriplett]

That the RB mods are the way to go !
Based on the posts that I have read in this thread .. I am thinking the easy way out is the to make the call .. Looks like I'm gonna need some R&D time for this bike !

2011 EC 300 SD

 

[thumperrider1]

The jetting can be a bit finicky. I ended up using a JD kit for a YZ250. I think Randall had the RB mods on his 300 so you may want to call him.