ATHENA forged 4T piston 82.95mm 250CC pin 16 Big Bore cylinder for Yamaha

The 4T forged piston from ATHENA, with a bore of 82.95 mm, is designed to optimize the performance of your engine. With a displacement of 250 cc, this component is ideal for those looking to enhance the power and efficiency of their vehicle. Its compression height of 22.20 mm and a compression ratio of 12.5:1 ensure efficient combustion, contributing to a more responsive throttle and increased torque.

The piston features two rings, which ensure optimal sealing and reduce wear, while the diameter of the connecting rod pin of 16x9x45 mm is designed to fit perfectly in your engine, ensuring stability and durability over time. The forged type of the piston offers superior resistance to stress, making it an excellent choice for those who want to push their engine beyond standard limits. Finally, the biconical design of the pin contributes to easier installation and smooth operation, making this piston a key element for your customization project.

• Bore: 82.95 mm
• Displacement: 250 cc
• Compression height: 22.20 mm
• Compression ratio: 12.5:1
• Number of rings: 2
• Connecting rod pin diameter: 16x9x45 mm
• Type: Forged
• Pin design: Biconical

Race Use Only Product - Not intended for street use