Cylinder assembly for Honda Dio, AF scooters: the basis of the piston group, inside which the piston and rings work.
Replace it when the cylinder is worn, the engine smokes, starts poorly, and loses power. The 43 mm diameter is given in the name. The name gives the displacement: 65 cc. The packaging is blue, as stated in the name.
- While you are at it, inspect the neighboring parts of the assembly: they often wear out together.



