ATHENA Big Bore 304CC 85mm Cylinder Kit for Yamaha YZ 250 F 2021-2023
for YAMAHA YZ F 250
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €764.20 Regular Price €899.01
The ATHENA Big Bore Thermal Group of 304 cc, with a bore of 85 mm, represents a strategic choice for those looking to enhance the performance of their motorcycle.
This component is designed to offer a significant increase in displacement, bringing it to 304.15 cc, and ensuring an increase of 8 mm compared to standard models.
With a compression ratio of 13.3:1, this thermal group is capable of optimizing engine efficiency, improving throttle response, and increasing overall power.
Ideal for motorcyclists seeking a more intense and responsive riding experience, the ATHENA Big Bore Thermal Group is the perfect solution for those who want to push their motorcycle's potential to the maximum.
- Displacement: 304.15 cc
- Bore: 85 mm
- Increase in displacement compared to standard models: 8 mm
- Compression ratio: 13.3:1
- Optimization of engine efficiency
- Improvement of throttle response
- Increase in overall power
- Intense and responsive riding experience
WARNING: The head and cylinder 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 | 85 |
|---|---|
| Displacement | 304,15 |
| Compression ratio | 13.3:1 |
