Product Details
Description
Naraku Crankshaft Heavy Duty 16 Tooth for QMB139 is an OEM-style replacement crankshaft assembly for compatible 139QMB scooter engines.
Key Details
- NK100.81
Additional information
| Weight | 4.6 lbs |
|---|---|
| Dimensions | 11 × 5 × 4 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: QMB139
- Engine Code: QMB139, 139QMB
- Fitment Notes: OEM
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 | 4.6 lbs |
|---|---|
| Dimensions | 11 × 5 × 4 in |





