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
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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