CYLINDER FULL KIT 83mm 08-13 YAMAHA WR 250 ATHENA P400485100036 290CC BIG BORE PISTON AND CDI INCLUDED

Athena Big Bore Cylinder Kit 83mm 290cc with Piston and CDI

ATHENA Big Bore Cylinder Kit Ø 83 mm, 290 cc

This Athena Big Bore Cylinder Kit is engineered in Italy to enhance the performance and reliability of your motorcycle. The kit features an aluminum cylinder with a durable motor-nicksil coating, developed by Athena for superior smoothness and wear resistance. This coating is essential for optimal engine function and longevity.

Experience a noticeable increase in power across the entire RPM range without compromising the reliability of your original components. Athena's commitment to quality is evident in the precision CNC machining, ensuring tolerances of a hundredth of a millimeter during production.

The comprehensive kit includes:

• A complete piston assembly with piston pin and rings.
• All necessary gaskets for a perfect seal.
• An aluminum cylinder with an increased bore (83mm).
• An enhanced CDI unit, specifically designed by GET technicians to maximize engine performance.

All parts within this kit are built to withstand extreme temperatures, pressures, and stresses, validated through rigorous bench and road testing by Athena technicians. Importantly, this cylinder kit can be installed without requiring any modifications to the engine crankcase.

Technical Specifications:

• Bore Diameter: 83.00 mm
• Compression Ratio: 12.7:1
• Displacement: 290 cc
• Net Weight: 2.09 Kg

Please Note: All Athena products must be used in compliance with applicable national regulations. Athena is not responsible for any improper use.