Product Details
Description
Naraku Carburetor – 18.5mm V.3 for QMB139 Engines
Key Details
- 137-83
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: QMB139
- Engine Code: QMB139
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a QMB139 engine?
A: This SKU is listed as compatible with QMB139 engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for QMB139 scooters?
A: This SKU is listed with QMB139 engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 2 lbs |
|---|---|
| Dimensions | 7 × 5 × 5 in |
The Naraku V.3 is an 18.5mm slide carburetor purpose-built for 139QMB 50cc 4-stroke engines. It features an electric choke for reliable cold starts, an accelerator pump for crisp throttle response, and a die-cast aluminum body for durability. A direct-fit upgrade or replacement for a wide range of 50cc scooters and mopeds from European and Asian manufacturers.
- 18.5mm inner diameter — optimized for QMB139 50cc 4-stroke engines
- Electric choke for consistent cold-start performance
- Accelerator pump for improved throttle response
- Die-cast aluminum body construction
- Part number: NK200.01
- Inner Diameter: 18.5mm
- Air Filter Connection: 39mm
- Intake Connection: 27.5mm
- Main Jet: 85
- Idle Jet: 34
- Part Number: NK200.01
| Make | Model |
|---|---|
| Baja | SC50 |
| Jonway | Beta 50, YY50 QT-6 |
| Kymco | People 50, Agility 50, Yager 50 |
| Peugeot | 50cc 139QMB models |
| Piaggio | 50cc 139QMB models |
| Roketa | 50cc 139QMB models |
| Vespa | 50cc 139QMB models |
| ZNEN | 50cc 139QMB models |
| Various | 139QMB -powered 50cc scooters and mopeds |
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Not intended for use on public roads or land.





