Complete ATHENA forged piston kit D.66.34 pin 18 selection A for Yamaha YZ 250
for YAMAHA YZ 250
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The complete ATHENA piston kit represents an excellent choice for those looking to optimize their engine's performance.
With a piston diameter of 66.34 mm and a bolt piston of 18 mm, this forged component is designed to ensure superior strength and durability over time.
Its standard compression ratio ensures a perfect balance between power and reliability, making it ideal for various applications.
Perfect for motorcyclists seeking to improve their vehicle's efficiency, this kit is the perfect solution for a significant upgrade.
- Piston diameter: 66.34 mm
- Bolt piston: 18 mm
- Material: Forged
- Superior strength
- Durability over time
- Standard compression ratio
- Balance between power and reliability
- Ideal for various applications
- Significant upgrade for vehicle efficiency


