Top quality replacement piston for the 75cc NARAKU NK100.05 cylinder kit. Also suitable for original 75cc cylinders. Delivery as shown with piston rings, gudgeon pin and circlips. The special molybdenum coating of the NARAKU piston extra protects cylinder and piston during run-in period. With a 2-stroke engine it is worth replacing the piston after about 6,000 miles. This will lower fuel consumption and help engine performance.