OKO PWK Carburetor Needles Kit - 10 pcs Drive Train Accessories several different weight options are

several different weight options are available and come in sets of 3 so you can mix and match to achieve the proper centrifugal force for the right gear change

The stock idle screw is bolted into the throttle body which does not allow any adjustment

It will also add simple aero to it by helping to cut through with the small shark fin

**For two-stroke engine

OKO PWK Carburetor Needles Kit - 10 pcs Drive Train Accessories several different weight options areOKO Needle Jets for PWK style carburetors are a direct replacement for most PWK carbs. This kit includes several different needle jets; K50, K46, JJH, JJF, JJK, LJH, GIH, J1, 3G9, N80F, K44. Each needle jet offers a different mid range ratio. This should be paired with main jets and slow jets to achieve the correct AFR across the band. Having a complete pack of needles like whats included in the OKO PWK Needle Kit will make needle tuning a lot easier.