bansheedave Active Member Nov 4, 2010 2,162 449 140 Aug 23, 2014 #1 I'm planning on cutting out the boyesen ports in my cr125 case reed motor. What's everyone's thoughts? I'm going to big bore the cylinder and get an aggressive port job. I figure adding the boyesen ports will help.
I'm planning on cutting out the boyesen ports in my cr125 case reed motor. What's everyone's thoughts? I'm going to big bore the cylinder and get an aggressive port job. I figure adding the boyesen ports will help.
