Your buying 1 Brand new fuel petcock for old yamaha 2 stroke twins 1966-1972 part number 132-24500-02-00 fits 90cc & 100cc hs1 yl1 as2 ls yas1 cs3 cs5 hs1 ls2. we have lots of new parts from the purchase of a closed motorcycle shop. if you have any questions ring 2174540492. We can answer any question, and we have a large selection of hard to find parts. Thank you!