for Vespa 125 VNA/150 VL/VB/GS
This product fits on almost all products
Jets are just as much a must as variator rolls for every scooter pilot. With every tuning adjustment, irregardless how small, main jets (MJ) will have to be raised, secondary jets (SJ) are for idling adjustments.
DELL`ORTO SJ PHBG Size 42-60
in grades 42,45,48,50,52,55,60