Idle Jet carburettor DELL’ORTO 40

for Vespa 125 VNA/ 150 VL/ VB/ GS
for UA/ MA, UB/ MB
Product description
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 ND PHBG/PHBD, in grades 42,45,48,50,52,55,60
OEM numbers (for comparisons):
83863 (PIAGGIO)
0148840 02 (DELLORTO)
00412019 (INNOCENTI)