Athena Motorcycle cylinder Aprilia SX 50

This high-performance two-stroke POWER VALVE SYSTEM controls the exhaust opening duration to achieve excellent low-end torque and optimal high-end performance.

• ATHENA Power Valve System: "sliding gate" fitted with a pneumatic system
• Utilises the exhaust gas pressure
• Helps optimise performance while maintaining maximum reliability
• Delivered with piston 241012 and seals 601494
  

Specifications:

• weight (g): 1816
• width (mm): 210
• height (mm): 161
• length (mm): 334
• volume (cm³): 11293