Naraku
Naraku V.3 18.5mm Carburetor - 50cc Scooters & ATVs
Description
This Naraku V.3 carburetor is the 18.5mm upgrade or replacement for compatible scooters, mopeds and ATVs, including the Yamaha YFZ 50. Enjoy reliable cold starts from the electric choke and crisp throttle response from the accelerator pump, with a durable die-cast aluminum body built for everyday service. A direct-fit upgrade or replacement for matching carburetor configurations from European and Asian manufacturers, including 139QMB 50cc four-stroke applications.
Key Features
- 18.5mm Inner Diameter: Optimized for QMB139 / 139QMB 50cc four-stroke engines, with additional model applications below.
- Electric Choke: Consistent cold-start performance.
- Accelerator Pump: Improved throttle response as you open the throttle.
- Die-Cast Aluminum Body: Durable construction for regular use.
- Supplied Jetting: #85 main jet and #34 idle jet.
- Scooter and ATV Applications: Compatible configurations across the model families below, including Yamaha YFZ 50 ATVs.
Technical Specifications
- Brand: Naraku
- Version: V.3
- Part number: 137-83
- Manufacturer part number: NK200.01
- Inner diameter: 18.5mm
- Air filter connection: 39mm
- Intake connection: 27.5mm
- Main jet: #85
- Idle jet: #34
- Choke: Electric
- Accelerator pump: Included
- Body: Die-cast aluminum
Compatibility
| Make | Model / configuration |
|---|---|
| Aprilia | Scarabeo 50; Sportcity One 50 |
| Kymco | Super 8 50; Super 8 50 4T; Super 8 50 2T; Agility 125; Agility 50; Agility 50 4T; Agility 50 2T; People 50; People 50 2T; New People 50 S 4T; Like 50 4T; Filly 50; Sento 50; New Sento 50; Yager 50; Yager GT 125 |
| Piaggio | Zip 50 4T; Liberty 50 4T; matching 50cc 139QMB applications |
| Vespa | Primavera 50 / 3V 4T; LX 50 4T; Sprint 50 / 3V 4T; S 50 4V; ET4 50; matching 50cc 139QMB applications |
| Yamaha | YFZ 50 Youth ATV |
| Baja | SC50 |
| Jonway | Beta 50; YY50 QT-6 |
| Peugeot | 50cc 139QMB applications |
| Roketa | 50cc 139QMB applications |
| ZNEN | 50cc 139QMB applications |
| Various | 139QMB-powered 50cc scooters and mopeds |
Model families above include different engine generations, four-stroke versions, and displacements. Compare the 39mm air filter connection, 27.5mm intake connection, throttle linkage, electric choke connector, hose routing and clearance. Confirm jetting for your engine and intake/exhaust setup and adjust if necessary; the supplied #85 main and #34 idle jets are not a universal calibration for every application.
This product is intended for off-road use only. This product is not intended for use on public roads or land.
Product Diagrams
Features
Specifications
Brand: Naraku; Version: V.3; Part number: 137-83; Manufacturer part number: NK200.01; Vehicle applications: compatible scooters, mopeds and ATVs, including Yamaha YFZ 50; Inner diameter: 18.5mm; Air filter connection: 39mm; Intake connection: 27.5mm; Main jet: #85; Idle jet: #34; Choke: electric; Accelerator pump: included; Body: die-cast aluminum; Fitment: match installed carburetor configuration and application-specific jetting; Use: off-road only
Model Fitments
Aprilia Scarabeo 50, Sportcity One 50; Kymco Super 8 50 / 4T / 2T, Agility 125, Agility 50 / 4T / 2T, People 50 / 2T, New People 50 S 4T, Like 50 4T, Filly 50, Sento 50, New Sento 50, Yager 50, Yager GT 125; Piaggio Zip 50 4T, Liberty 50 4T; Vespa Primavera 50 / 3V 4T, LX 50 4T, Sprint 50 / 3V 4T, S 50 4V, ET4 50; Yamaha YFZ 50 ATV; Baja SC50; Jonway Beta 50, YY50 QT-6; Peugeot, Piaggio, Roketa, Vespa and ZNEN 50cc 139QMB applications; match 39mm air filter connection, 27.5mm intake connection, linkage, choke connector, routing and clearance; model families span different engine configurations and require application-specific jetting