ATHENA Forged 4T Racing Piston 85mm 289CC Pin 16 Big Bore Cylinder for Honda
for HONDA CRF R, CRF RX
Check the compatibility with your motorcycle
FIND YOUR BIKE - compatibility table
-15%
Special Price €304.50 Regular Price €358.25
The 85 mm ATHENA Forged 4T Racing Piston is designed for motorcyclists seeking high performance and optimized power. With a bore of 85 mm and a compression height of 18.92 mm, this piston is perfect for Big Bore cylinders, ensuring a displacement of 289 cc that offers an enthusiastic and responsive riding experience. Its forged structure ensures superior strength, while the compression ratio of 13.0:1 helps maximize engine efficiency, allowing you to get the most out of every acceleration.
The diameter of the connecting rod pin, measured at 16x40x9 mm, is designed to ensure perfect integration with the engine system, while the two piston rings provide optimal sealing, reducing the risk of compression leaks and improving engine response. The biconical type of the pin offers additional stability, making this piston an excellent choice for those looking to push their motorcycle performance to the limit. With the ATHENA 4T Racing Piston, every ride becomes an unforgettable experience.
- Bore: 85 mm
- Compression height: 18.92 mm
- Displacement: 289 cc
- Structure: Forged
- Compression ratio: 13.0:1
- Connecting rod pin diameter: 16x40x9 mm
- Number of rings: 2
- Pin type: Biconical
Race Use Only Product - Not intended for road use
| Type | Forged |
|---|---|
| Bore | 85 |
| Displacement | 289 |
| Compression height | 18,92mm |
| Compression ratio | 13.0:1 |
| Number of segments | 2 |
| Piston pin | biconical |
