Different needles, different delivery, however not a whole lot of fuelling variance across the brands when it comes to the 72x72 300cc donks. Pretty much all running Vforce reeds coupled with a Keihin 36/38mm carb, and a free flowing exhaust. Ports for smooth power and excess squish/lowish comp.
Just a matter of finding a taper that provides the delivery style you like and then matching the clip position, pilot (and needle diameter; and/or slide number), and mains to suit particular engine and conditions.
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