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Naraku Carburetor CVK 18.5mm (139QMB)

Naraku Carburetor CVK 18.5mm (139QMB)

Description: Naraku V.3 carburetor 18.5mm for 50cc 4-stroke scooters. Naraku quality at an affordable price. Unlike most Chinese alternatives that have start issues, the Naraku V.3 carburetor has a good drive. Prevents flat spots and allows you to conveniently drain the float bowls. Complete with E-choke and 84 main jet. Naraku 18.5mm connection is fine for 4-stroke scooters and mini-quads from 50-90cc with 139QMB engines. Air filter connection: 40mm. Intake connection: 28mm. Jet Size is 4mm.


•    E-Choke
•    Non-Accelerator Pump
•    Cable/Rear Pull Linkages
•    Throttle Adjustment Knob
•    Open & Adjust Enricher Screw


•    Airbox Side: ID 37mm, OD 40mm
•    Engine Side: ID 20mm, OD 28mm
•    Venturi: 18.5mm


•    Main: 84 (4mm Thread) CVK Style
•    Pilot: 35s (6mm Thread x 28 Length)
•    Fit Air-Filter Port I.D. 3mm max. ± 40mm
•    Fit Intake Manifold 2mm max. ± 26mm
•    Fit QMB 49/50cc+

Supported Models: GY6 139QMB 49cc-50cc engines, Buddy50, Filly 50, Kymco, Peugeot, Piaggio, QLink, RoughHouse, SYM, TaoTao

Item Weight & Package Dimensions:
•    1.676 pounds | 6" (L) x 6" (W) x 6" (H)

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Naraku Carburetor CVK 18.5mm (139QMB)
  • Stock: 1
  • Reward Points: 2
  • Part #: NK200.01
Sold: 8
Views: 13835
Price in reward points: 69