MIKUNI MIKUNI NEEDLE JET 169-O4 169-O4

Up for sale is MIKUNI MIKUNI NEEDLE JET 169-O4. The vendor part number is 169-O4. Read title carefully to know what you are getting. Catalog description…. The needle jet is the main fuel passage to the main bore ofthe Mikuni carburetor. Depending on the inside diameter of ofa specific needle jet, this will also affect the function ofthe needle. Therefore, needle jets and needles act togetheras the main system in controlling the amount and mixture ofthe fuel which is drawn in mid-range 1/4-3/4 throttleoperation.