240cc kit

Okay so i sent my cylinder off to get bored 40 over after i blew my blaster. but while i have everything tore down what other things do i have to do for the build as far as jetting it correctly? also what all can i do for power? new reeds, exhaust, head work, lightened flywheel? What is gonna...

Rebuilding my 02 blaster I just picked up. Needing some opinions on my motor build. I was looking at just upgrading the bottom end with a 3mm stroker kit and leaving the top end stock, since it’s been so reliable. Does anyone have the stroker and big bore kit installed? And how does it run? Or...