its easy take you carb off your bike makes it alott easyier take the top off forgot wat its called change the needle setting according to the instructions. put the top back on. then take the float bowl off take the main jet out replace with one specified then put back together then adjust the air fuel screw according to the instructions.
Sounds kind of complicated to me. Im going to put my yoshi on at christmas and think i might take it to the shop to get it jetted because i'd probly mess someting up. Will instructions about jetting come with the pipe?