Jet (Keihin PB Style Carburetors); Genuine 4mm

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.

Jetting is something that takes trial and error. See our blog of jetting instructions for more info.

Original Parts For Scooters SKUs 114-36-75, 114-36-80, 114-36-85, 114-36-95, 114-36-100, 114-36-105, 114-36-110, 114-36-120, 114-36-125 

Specifications: 

• Keihin Round Style Main Jet  
• Thread Size: M4x0.70  
• Overall Length: 7mm  
  
• Available in sizes #75 - #130 

NOTE: Before ordering, confirm the type of carb you use to ensure this product works with your ride. 

Compatibility:

139QMB-based 50cc / 80cc engines with the following engine codes:

157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:

Don't see your engine listed? If the engine code includes "QM" or "FM" and you're running a Keihin style carb, this product is compatible with your vehicle.

About Scooterworks: Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.

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