Athena P400270100002 Big Bore Cylinder Kit 80cc +5.50mm Oversize 50.00mm KTM 65

Athena's cylinder kits and its components are recognized worldwide for their performance, durability and reliability. Athena's Big Bore Cylinder Kits guarantees an increase in performance that can be observed along the power curve, keeping the reliability at the same level of the original components.

The kit includes the high-quality aluminum cylinder with increased bore, the cylinder head, the complete piston with the piston pin and rings, and all the necessary gaskets. All the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests. This cylinder kit can be installed without making any changes to the engine crankcase.

Professional installation recommended by a certified mechanic, shop or dealer in the powersports industry. If you have a PO BOX, please provide BOTH PO Box and physical street address at checkout. The PO Box can be added to the second address line after your physical address. The product must be unused, in re-sellable condition and include all original packaging and/or tags.