Product Details
Description
Malossi 70cc Big Bore Cylinder Kit – Vespa Piaggio ET2 50
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.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 70cc
- Fits Models / Common Applications: Piaggio and Vespa 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 Piaggio?
A: This SKU is listed with Piaggio 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 | 8.932 lbs |
|---|---|
| Dimensions | 8 × 8 × 6 in |
Unlock significant power gains with the Malossi 70cc Cast Iron Big Bore Cylinder Kit for Vespa ET2 and Piaggio 50cc 2-stroke air-cooled engines. Engineered in Italy, this kit delivers the ideal balance between high-performance output and long-term daily reliability — increasing torque and top-end speed without sacrificing durability. Malossi's precision-optimized transfer ports, exhaust timing, and combustion chamber geometry produce high turbulence for better fuel efficiency and reduced exhaust emissions. SKU: M 316926.
- 70cc displacement — significant power increase over stock 50cc
- Specialized laminate cast iron construction for maximum component life
- Recalculated heat exchange surfaces for superior temperature management
- Lightened and reinforced high-silicon aluminum alloy piston for reduced friction
- High-turbulence combustion chamber for maximum efficiency and reduced emissions
- NC machine-tool finished for precision tolerances
- Made in Italy by Malossi
- Displacement: 70cc
- Bore: 47mm
- Material: Laminate cast iron
- Piston pin: 12mm
- Machining: NC machine-tool finished
- Engine type: 50cc 2-stroke air-cooled Piaggio
- SKU: M 316926
| Brand | Compatible Models |
|---|---|
| Vespa | ET2 (all years), LX 50 (2-stroke), S 50 (2-stroke) |
| Piaggio | Typhoon 50 (2007–2010), LT 50 (all years), Fly 50 (2-stroke) |
| Aprilia | SR50 Motard (Piaggio engine models) |
Note: Not legal for use in California on pollution-controlled vehicles. Intended for off-road and racing use only. Check local laws before installing.





