You-All 18mm CVK PD18J carburetor with accelerator pump. Fits 139QMB/GY6 50cc scooters incl. Chicago Scooter Co., Wolf, Lance & Honda Ruckus. You-All 18mm CVK PD18J carburetor with accelerator pump. Fits 139QMB/GY6 50cc scooters incl. Chicago Scooter Co., Wolf, Lance & Honda Ruckus.
You-All 18mm CVK PD18J carburetor with accelerator pump. Fits 139QMB/GY6 50cc scooters incl. Chicago Scooter Co., Wolf, Lance & Honda Ruckus.

You-All

You-All 18mm CVK PD18J Carburetor - 139QMB Ruckus

SKU 1300-1115
$55.00
Shipping calculated at checkout.
Description

Restore consistent power and throttle response on a compatible 50cc scooter with the You-All 18mm CVK PD18J carburetor. Its mechanical accelerator pump helps reduce hesitation during throttle transitions, while the 18 mm venturi supports steady airflow for daily riding and performance builds.

Key features

  • PD18J CVK-style carburetor
  • Mechanical accelerator pump for crisp throttle response
  • 18 mm intake bore
  • Pre-installed #81 main jet and #33 idle jet
  • 40 mm air-filter mount outside diameter
  • Direct replacement for compatible 139QMB/GY6 50cc engines

Specifications

  • Model: PD18J
  • Type: CVK carburetor
  • Intake bore: 18 mm
  • Air-filter mount outside diameter: 40 mm
  • Main jet: #81
  • Idle jet: #33
  • SKU: 1300-1115

Compatibility

Brand or application Compatible models or notes
Chicago Scooter Co. go., go. Max, Bella 50, Nitro Sport
Wolf RX-50, Islander, Rugby, Blaze, Lucky, Jet
Lance Cali Classic 50, Cabo 50, PCH 50
Honda Ruckus and Metropolitan, select 50cc carbureted models
Universal 139QMB/GY6 50cc scooters, ATVs, and quads using a compatible PD18J carburetor

 

Mechanic's note: After installation, leave a small amount of throttle-cable freeplay so the accelerator pump can fully reset between throttle inputs. Verify the carburetor model, intake dimensions, and cable/choke setup before ordering.

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.
Product Diagrams
Features
  • Mechanical accelerator pump for crisp throttle response
  • 18 mm CVK venturi for compatible 50cc engines
  • Pre-installed #81 main jet and #33 idle jet
  • 40 mm air-filter mount outside diameter
  • Direct replacement for compatible 139QMB/GY6 50cc engines
Specifications

Model: PD18J (CVK) | Intake bore: 18 mm | Air-filter mount OD: 40 mm | Main jet: #81 | Idle jet: #33 | SKU: 1300-1115
Model Fitments

139QMB/GY6 50cc engines — Chicago Scooter Co. go./go. Max/Bella, Wolf RX-50/Islander/Rugby/Blaze/Lucky/Jet, Lance Cali Classic/Cabo/PCH 50, Honda Ruckus/Metropolitan select carbureted models, and compatible 50cc scooters, ATVs, and quads
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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