Product Details
Description
SSP-G Minarelli 47.6mm Piston Kit is a replacement piston assembly for compatible 139QMB scooter engine repairs or rebuilds.
Key Details
- 169-384
Specifications
- Height: 25.5mmWrist Pin Diameter: 10mm40QMB 50cc 2-stroke NOTE: performance parts are non-returnablePiston Diameter: 47.4mm (without ring installed)PTFE CoatingSingle Compression Ring for Higher RPMOverall Height (cylinder): 50.5mmCompression Height: 25.5mmWrist Pin Diameter: 10mm40QMB 50cc 2-stroke
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 3 × 3 × 3 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, Minarelli, 2-Stroke
- Engine Code: 139QMB
- Fitment Notes: Performance
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 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 3 × 3 × 3 in |





