ATHENA Standard Bore Thermal Group 50CC 40mm 15.3:1 with Exhaust Valve
for KTM, APRILIA, GILERA, DERBI
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €451.90 Regular Price €531.66The ATHENA Standard Bore Thermal Group is designed to deliver high performance and a responsive response, ideal for those looking to improve their engine's efficiency. With a bore of 40 mm and a displacement of 50 cc, this component is perfect for optimizing your vehicle's power. The compression ratio of 15.3:1 allows for maximizing combustion efficiency, ensuring a vigorous thrust and greater responsiveness in acceleration.
The precisely designed exhaust valve contributes to better gas expulsion, thus improving the overall performance of the engine. The interchangeable cap offers flexibility and customization options, allowing you to adapt the thermal group to the specific needs of your vehicle. With the ATHENA Thermal Group, every ride becomes a more engaging and dynamic driving experience, perfect for two-wheel enthusiasts looking to push beyond limits.
- Bore: 40 mm
- Displacement: 50 cc
- Compression ratio: 15.3:1
- Precision-designed exhaust valve
- Interchangeable cap for customization
WARNING: The cylinder head and base gaskets included in the kit are specifically developed for ATHENA thermal groups. Whenever the thermal group is disassembled, replace the gaskets with the specific ATHENA replacement series: DO NOT use original replacement gaskets.
| Bore | 40 |
|---|---|
| Displacement | 50 |
| Compression ratio | 15.3:1 |


