I have a 13 KX250ZDF and I have decided to try my hand at porting. This bike already has widened intake ports (stock), so I will just smooth and knife-edge the divider for better flow around it on the intake side. The exhaust port is what needs a lot of work. I would like to see some photos of exhaust porting, and intake if anyone has good examples (especially 13 model intake port job). I have searched and found a few things. My '11 head porting pics are on here, but I know what that looks like, and I'd like to see some other work. Thanks in advance.