Eliminate hesitation and restore consistent power to your 50cc scooter with the You-All 18mm CVK PD18J carburetor — our 1 selling carburetor. Larger venturi with a mechanical accelerator pump for crisp throttle response and a stable idle on daily commuters and performance builds alike.
Model: PD18J (CVK type)
Intake bore: 18mm
Air filter mount OD: 40mm
Main jet: 81
Idle jet: 33
Compatible Models (139QMB / GY6 50cc):
Chicago Scooter Co.: go., go. Max, Bella 50, Nitro Sport
Wolf Brand: RX-50, Islander, Rugby, Blaze, Lucky, Jet
All 139QMB / GY6-powered 50cc scooters, ATVs, and quads with PD18J carburetors
Mechanic’s notes: After installation, ensure your throttle cable has a small amount of freeplay so the accelerator pump can fully reset between throttle inputs.
Off-road use only. Not intended for use on public roads or land.
California Prop 65 Warning: www.p65warnings.ca.gov
