Product Details
Final Drive Gear for 50cc 4-Stroke 139QMB Scooters
SPECIFICATIONS:
- Number of Splines: 19
- Inner Diameter (splines peak to peak): 18mm
- Thickness: 15.7mm
**NOTE: 51 tooth is found in short case engines and 52 tooth is found in long case engines.
Additional information
| Dimensions | 5 × 5 × 5 in |
|---|---|
| Manufacturer Name | OEM |






