This carb may also be used as a good replacement carb for 250cc scooters.
High Performance GY6 carb for 150cc scooters go carts and ATVs.
You will need a larger intake boot. The 30mm Chrome will work and the Big Bore Teflon or Teflon Intake will work the best with higher manifold.
SW-1300-1009
Add with exhaust High Performance Air Filter for more air in and more out plus more gas = more power and top end.
Adding this carb plus an aor filter can cure alot of fuel and air problems.
Consider exhaust upgrade also for bet results.
This carb can be used in both GY6 engines. You may also increase jet size to 150 for even better results.