ATHENA Big Bore 497CC 102mm Cylinder Kit for Yamaha
for YAMAHA YZ F, YZ FX
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €687.60 Regular Price €808.97The ATHENA Big Bore 497CC Thermal Group with a bore of 102 mm is designed for those who want to push their motorcycle's performance to a higher level. With a displacement of 497 cc, this component not only increases power but also provides a quicker and more dynamic response during riding. The 5 mm increase over standard allows for optimized power delivery, making every ride an exhilarating experience.
The compression ratio of 12.3:1 is designed to ensure a perfect balance between performance and reliability, allowing you to fully exploit the engine's potential. Whether it's a track outing or a road trip, the ATHENA Big Bore Thermal Group is the ideal choice for those who do not settle and always seek the best from their machine. With this upgrade, your motorcycle will not only be more powerful but also more responsive, ready to meet all your riding needs.
- Bore: 102 mm
- Displacement: 497 cc
- Increase over standard: 5 mm
- Compression ratio: 12.3:1
Product Race Use Only - Not intended for road use
| Bore | 102 |
|---|---|
| Displacement | 497 |
| Compression ratio | 12.3:1 |


