Blue Line Carburetor (CVK,19mm); QMB139 Online

This is a high quality 19mm CVK replacement carburetor for all GY6 4-stroke 139QMB 49 50cc Chinese engines. This carburetor is fitted with an 85 main jet. It s better than stock and boasts a larger venturi and an accelerator pump, which will frequently eliminate hesitation when you open her up.

Features:

– Accelerator pump

– Electric choke (2-pin male plug),

– Fuel and drain lines,

– Fuel filter

– Pre-tuned jetting for most applications.

– Quick-drain valve

This carburetor is used on Baja, JMstar, Jonway, Lance, NST, Peace, Roketa, Sunl, Tank, TNG, Vento, VIP and many others.

Specs

• Auto choke
• Accelerator pump
• Remote float bowl
• Venturi: 19mm
• Airbox side: ID 29mm, OD 39mm
• Engine side: ID 19mm, OD 28mm

• Jetting-

  • Main: 85 (4mm thread PB)
  • Pilot: 35 (6mm thread CV)
  • Needle: Non-adjustable GY50 A4
  • Compatible jets-
  • Main: JETKH1
  • Pilot: CV style