Blue Line Carburetor (CVK,19mm); 139QMB

This 19mm CVK replacement carburetor fits all GY6 4-stroke (4T) and 139QMB 49/50cc Chinese engines. 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.

Benefits:

• A larger than stock venturi increases flow and fuel atomization.
• A mechanical float-bowl accelerator pump helps prevent bogging and hesitation when accelerating quickly.

Specifications:

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

Compatibility: Fits all GY6 4-stroke (4T) 139QMB 49/50cc Chinese engines

This part is also compatible with scooters and ATVs with 139QMB-based 50cc / 80cc engines with the following engine codes:

Don't see your engine listed? If the engine code includes "QM" or "FM" this part is compatible with your vehicle.

This product is intended for off-road use only.

This product is not intended for use on public roads or land.

This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.

*Performance upgrades are considered racing parts and are not covered by warranty.

Brands: Amstar, Amigo, Ascend, Baotian, Bashan, Blade, Boom, Chicago Scooter Company, Dongfang, Roketa, Baotian, Bashan, BMS, Cool Sports, E Ton, Fly Wing, Eagle, Fly, Italica, Riya, Ice Bear, Jackel, Jet Moto, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, Keeway, KMD, Kymco, Lance, Lifan, Linhai, Loncin, Longbo, Fuxin, Jiajue, Tao Tao, Tao Motors, Trailmaster, Maxtrade, Meitien, Motofino, Motorino, NST, Panterra, Panther, Qlink, Yiben, Red Streak, Redcat, Roketa, Schwinn, Strada, SYM, Tank, Terminator ,Tomberlin, TNG, United Motors, Vento, Vitacci, Wildfire, Wolf, X-Treme, X-Pro, Yongfu, ZNEN, Zhongneng , Zhilong, Geely, Wangye, ZH and more Manufactured by: Taizhou Zhongneng Motorcycle Co.; Jiangsu Zhongneng Motorcycle Co.; Jiangsu Meijunte Technology Co.; Taizhou Qianxin Vehicle Co.; Ningbo Dongfang Lingyun Vehicle Made Co.; Taizhou Zhilong Technology Co.; Zhejiang Jiajue Motorcycle Manufacturing Co.; Zhejiang Gelly Ming Industrial Co.; Taizhou City Senglong Motorcycle Manufacture Co.; Jiangsu Sacin Motorcycle Co.; Jiangsu Linhai Power Machinery Group Co.; Zheijiang TaoTao Vehicles Co.; Zhejiang Senling Motorcycle Co.; Sanmen County Yongfu Machine Co; Taizhou Jiaojiang Zhiwei Motorcycle Manufacture Co.; Huzhou Daixi Zhenhua Technology Trade Co.; Taizhou Zhongneng Motorcycle Co.; Zhejiang Riya Motorcycle Co.; Ningbo Longjia Motorcycle Co.; Taizhou Zhongneng Motorcycle Co.; and more