ATHENA Standard Bore 250CC 77mm 13.9:1 Cylinder Kit for Yamaha
for YAMAHA WR F, YZ F, YZ FX
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €351.00 Regular Price €412.92
The ATHENA Standard Bore Thermal Group is designed to optimize the performance of your 250 cc engine, thanks to a bore of 77 mm that ensures a perfect balance between power and control.
With a compression ratio of 13.9:1, this component is ideal for those looking to improve their vehicle's efficiency, ensuring a responsive throttle and greater acceleration.
The included gasket series facilitates installation and helps maintain excellent sealing, allowing you to make the most of the engine's potential.
This thermal group is a strategic choice for motorcyclists who want to push beyond, enhancing performance without compromising reliability.
- 250 cc engine
- 77 mm bore
- Compression ratio of 13.9:1
- Greater vehicle efficiency
- Responsive throttle
- Increased acceleration
- Included gasket series
- Easy installation
- Excellent sealing
- Improved performance without compromising reliability
Race Use Only Product - Not intended for road use
| Bore | 77 |
|---|---|
| Displacement | 250 |
| Compression ratio | 13.9:1 |
