ATHENA Forged 2T Racing Piston 71.95mm 250CC sp.18 Big Bore Cylinder for Yamaha YZ 250
for YAMAHA YZ 250
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Special Price €214.40 Regular Price €252.22The ATHENA Forged 2T Racing Piston, with a bore of 71.95 mm and a compression height of 38 mm, is designed for Big Bore cylinders of 250 cc. This component is made to ensure high performance, thanks to a compression ratio of 16.0:1, which optimizes engine power. Its forged construction guarantees superior strength, ideal for the needs of motorcycle enthusiasts and competitions.
With a connecting rod pin diameter of 18x13x53.5 mm and a biconical design, the piston offers perfect adaptability and stability within the cylinder. The two rings present ensure effective sealing, contributing to more efficient combustion and reducing compression losses. The piston’s domed head is designed to maximize the combustion chamber, promoting optimal gas flow and improving overall engine performance.
This piston is the ideal choice for those looking to push their racing bikes to the limit, ensuring responsive acceleration and immediate throttle response. With the ATHENA Forged 2T Racing Piston, every race becomes an exciting experience characterized by power and precision.
- Bore: 71.95 mm
- Compression height: 38 mm
- Designed for Big Bore cylinders of 250 cc
- Compression ratio: 16.0:1
- Construction: Forged
- Connecting rod pin diameter: 18x13x53.5 mm
- Design: Biconical
- Number of rings: 2
- Effective sealing for combustion
- Reduction of compression losses
- Domed head to maximize combustion chamber
- Optimal gas flow
Race Use Only Product - Not intended for street use
| Type | Forged |
|---|---|
| Bore | 71,95 |
| Displacement | 250 |
| Compression height | 38mm |
| Compression ratio | 16.0:1 |
| Connecting rod pin | 18x13x53,5 |
| Number of segments | 2 |
| Piston head | domed |


