Prima 5mm CVK Carburetor Main Jet Kit - 10 Pieces

Prima's 5mm main jet kit for GY6 and CN250 CVK carbs includes jets in 10 different sizes: #100, #105, #108, #110, #113, #115, #120, #125, #130 and #140.

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

Original Parts For Scooters SKU 114-38-45

Specifications:

• Keihin round-style main jet
• Thread size: M5x0.80
• Overall Length: 8mm
  
• Packaging may vary from product photos

Compatibility:

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 CVK carburetor, this product is compatible with your vehicle.

About Prima: Prima is the industry leader in premium scooter accessories, service parts and scooterist protective apparel. Prima brand products are designed direct-fit for all popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, Royal Alloy and GY6 / QMB powered scooters. 

• 10-piece set of 5mm main jets
• Keihin round-style jet profile for compatible CVK carburetors
• Includes sizes #100, #105, #108, #110, #113, #115, #120, #125, #130, and #140
• Supports fuel-mixture tuning across a range of engine and intake setups

Brand: Prima | Part type: CVK carburetor main jet kit | Jet size: 5mm | Quantity: 10 jets | Jet sizes: #100, #105, #108, #110, #113, #115, #120, #125, #130, #140 | Thread: M5 x 0.80 | Overall length: 8mm | SKU: 1300-1130

GY6 / Chinese scooter applications with 125cc–150cc CVK carburetors using 5mm main jets; engine codes 157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A, and other compatible QMJ, QMK, and QMI applications.