ATHENA Forged 2T Racing Piston 66.34mm 250CC Pin 18 for Yamaha
for YAMAHA YZ 250
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €165.40 Regular Price €194.57The 66.34 mm forged Racing ATHENA 2T piston is designed to optimize the performance of your 250 cc engine, ensuring an enthusiastic and responsive riding experience. With a bore of 66.34 mm, this piston is ideal for riders seeking power and acceleration, while its forged design ensures superior resistance to high stresses.
The diameter of the connecting rod pin, measuring 18x13x53 mm, is engineered to provide perfect compatibility with the OE cylinder, ensuring easy installation and smooth operation. With two rings, the piston is designed to maintain optimal compression, contributing to a standard compression ratio that promotes an ideal balance between power and reliability.
The domed piston head, along with the conical shape of the pin, is intended to maximize combustion efficiency, allowing the engine to express its full potential. This piston is not just a component, but a key element for those who want to push their bikes to the limit, ensuring high performance and immediate throttle response. With the ATHENA Racing 2T piston, every ride becomes a unique experience, full of adrenaline and excitement.
- Bore: 66.34 mm
- Design: Forged
- Resistance: Superior to high stresses
- Connecting rod pin diameter: 18x13x53 mm
- Compatibility: Perfect with OE cylinder
- Easy installation: Yes
- Number of rings: 2
- Compression: Optimal
- Compression ratio: Standard
- Piston head: Domed
- Pin type: Conical
- Combustion efficiency: Maximized
Race Use Only Product - Not intended for street use
| Type | Forged |
|---|---|
| Bore | 66,34 |
| Displacement | 250 |
| Compression ratio | Standard |
| Number of segments | 2 |
| Piston head | domed |


