Product Details
Description
SSP-G 70cc 2-stroke Minarelli Big Bore Kit - 10mm Piston Pin is a replacement piston assembly for compatible 139QMB scooter engine repairs or rebuilds.
Key Details
- 169-57
Specifications
- Length: 38mm Does Not Include Wrist Pin Bearing (Please See Related Items) Displacement: 70cc Fits 1PE40QMB Minarelli based engines with 10mm wrist pin Piston Diameter: 47mm Overall Height (cylinder): 87mm Diamo, Geely Model 18, Various unlisted makes/models, Vento Zip R3i, Yamaha NOTE: the piston may have dark marks from the casting process. This does not affect the functionality in any way. Wrist Pin Diameter: 10mm Wrist Pin Length: 38mm Does Not Include Wrist Pin Bearing (Please See Related Items) Displacement: 70cc Fits 1PE40QMB Minarelli based engines with 10mm wrist pin Piston Diameter: 47mm Overall Height (cylinder): 87mm Diamo, Geely Model 18, Various unlisted makes/models, Vento Zip R3i, Yamaha
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 | 4.1 lbs |
|---|---|
| Dimensions | 8 × 6 × 6 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 70cc, Minarelli, 2-Stroke
- Engine Code: 1PE40QMB, 139QMB
- Fits Models / Common Applications: Vento and Yamaha and other compatible models may apply.
- Fitment Notes: Big Bore
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 1PE40QMB engine?
A: This SKU is listed as compatible with 1PE40QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Will this fit a Vento?
A: This SKU is listed with Vento model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 70cc scooters?
A: This SKU is listed with 70cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 4.1 lbs |
|---|---|
| Dimensions | 8 × 6 × 6 in |





