Cylinder Athena 105cc Yamaha YZ 85 02-18

105cc ø 53 Big Bore Athena cylinder kit

• 53mm piston
• 47.8mm stroke
• Ratio 13.8:1

Yamaha YZ 85 - 2002/2018, Athena

The kit guarantees the same performance as the original cylinder but with much more power, extreme reliability and optimal smoothness thanks to the lightweight aluminium cylinder, the nickel-silicon coating, and a new piston with a sintered molybdenum bisulphide coating to further reduce friction.
All kit components have been developed to withstand the highest temperatures, pressures, and stress, and are perfectly interchangeable with the original components.

This thermal group can be installed without the need to make any modifications to the motorcycle's crankcase