ATHENA Big Bore Cylinder Kit 290CC 80mm 12.5:1 for Ktm
for KTM EXC F 4T, SX F 4T, XCF W 4T
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €634.70 Regular Price €746.65The ATHENA Big Bore 290CC 80mm Thermal Group is designed for motorcyclists who want to push their performance to the next level. With a bore of 80 mm, this component is engineered to optimize combustion and maximize engine power, ensuring a smooth and responsive delivery. The displacement of 290 cc offers a significant increase over standard thermal groups, allowing riders to tackle every curve and straightaway with vigorous and consistent thrust.
The compression ratio of 12.5:1 is a key element that contributes to improving engine efficiency, enabling high performance without compromising reliability. This thermal group is ideal for those looking to customize their motorcycle, transforming it into a true racing machine. With the ATHENA Big Bore, every ride becomes an exhilarating experience, where power and control merge to provide unparalleled riding pleasure.
- Bore: 80 mm
- Displacement: 290 cc
- Compression ratio: 12.5:1
- Combustion optimization
- Maximization of engine power
- Smooth and responsive delivery
- Significant increase over standard thermal groups
- Ideal for motorcycle customization
- High performance without compromising reliability
Product Race Use Only - Not intended for road use
| Bore | 80 |
|---|---|
| Displacement | 290 |
| Compression ratio | 12.5:1 |


