Jet #90 (Keihin PB Style Carburetors); Genuine
Jet for PB type Keihin carbs on all Genuine scooters and many others. (The Buddy 50 takes a #74 stock jet and the Buddy 125 takes a #90 stock.)
Jetting is something that takes trial and error, so a variety of jets is the best option so you can fine tune your engine.
4.0mm Main Jet for PB, PAB, NCV, CVK 17, 20, 22, 24, 26mm carburetors. Please check the markings on your carburetor & verify what yours is before you order.
Main Jet size range from #75 to #130.
Fits The Following Models : GENUINE PIAGGIO PGO YAMAHA HONDA KYMCO SYM CHINA Cloned: GY6 50cc 139QMB, 125cc 152QMI, 150cc 157QMJ.