Product Details
Description
SSP-G 50mm QMB139 Performance Cylinder Kit
Key Details
- 169-54
Specifications
- Height: 34.8mm Compression Height (from center of wrist pin hole to top edge of piston): 18.3mm Baja SC50-P, Jalon X8 Retro 50cc, Lifan, Panterra Fusion 50cc, Qingqi QM50QT-4G, Qingqi QM50QT-6V, SUNL, Schwinn, Strada, Various unlisted makes/models
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Additional information
| Weight | 2.2 lbs |
|---|---|
| Dimensions | 6 × 6 × 6 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, QMB139
- Engine Code: QMB139, QM50QT
- Fits Models / Common Applications: Baja and other compatible models may apply.
- 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 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: Will this fit a Baja?
A: This SKU is listed with Baja model fitment where the scooter also matches the listed engine or fitment notes.
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 | 2.2 lbs |
|---|---|
| Dimensions | 6 × 6 × 6 in |





