I know there is a lot of post of upgrades to do but I don’t know what ones actually work and make a difference. I have a 43cc mini pocket bike and can top out at around 33mph. I did a few upgrades like a new clutch, carb, tires, and aluminum pull start. Every thing else is pretty much stock. I have a 7 74 gear ratio, but I don’t really want to mess with that too much. What are some mods and upgrades that aren’t that expensive I can do to get more top end without suffering on the low end.