K&L Supply Air Cut-Off Valve Set - 18-2857

Heres an inexpensive kit as an alternative to the costly OEM assembly
To prevent afterburn generated by a lean fuel mixture when closing the throttle, the cut-off valve temporarily closes the slow-jet air passage, creating an instantly richer mixture
Included in these high quality kits are all parts necessary for a complete rebuild. (diaphragm, spring and O-ring)
Made in Japan