This 4mm main jet works with Genuine, Piaggio, PGO, Yamaha, Honda and SYM scooters, and 139QMB and GY6 bikes running Keihin PB, PAB, NCV, CVK 17, 20, 22, 24, 26mm carburetors.
For example, the Buddy 50 takes a #74 stock jet and the Buddy 125 takes a #90 stock.
Specifications:
- Keihin Round Style Main Jet
- Thread Size: M4x0.70
- Overall Length: 7mm
- Available in sizes #90 - #102
