POLINI thermal group diameter 49 stroke 41.8 78.8cc aluminum cylinder
for PIAGGIO, APRILIA
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-20%
Special Price €298.50 Regular Price €373.17
The POLINI cylinder kit is designed to deliver superior performance and an enthusiastic riding experience.
With a bore of 49 mm and a stroke of 41.8 mm, this aluminum cylinder reaches a displacement of 78.8 cc, ensuring a compression ratio of 11.6:1 for optimal power delivery.
It is compatible with models such as Vespa 50 4V and Liberty 50 3V, and is ideal for Euro 4 and Euro 5 engines.
For Euro 4 engines, it is recommended to pair the kit with the ECU code 171.0009, along with a dedicated variator and gear ratios.
For Euro 5 engines, the ECU to use is code 171.0020, also with specific variators and gear ratios to maximize performance.
This cylinder kit represents an excellent choice for those looking to enhance their scooter with high-engineering components.
- Bore: 49 mm
- Stroke: 41.8 mm
- Displacement: 78.8 cc
- Compression: 11.6:1
- Material: Aluminum
- Compatibility: Vespa 50 4V, Liberty 50 3V
- Ideal for engines: Euro 4 and Euro 5
- ECU for Euro 4: code 171.0009
- ECU for Euro 5: code 171.0020
- Recommended accessories: Dedicated variator and gear ratios
| Made in | Italy |
|---|---|
| Cylinder material | Aluminium |
| Stroke | 41,8 |
| Bore | 49 |
| Displacement | 78,8 |
| Compression | 11,6:1 |
