Kit 65cc Ø45mm ATHENA aluminum for motorcycle MBK ZX, RD YAMAHA, TY, DT, MX ... 50cc

Ideal to refurbish by increasing the performance of your bike 50cc YAMAHA DT, TY, MX, RD, MBK ZX ... air cooling 2T old model (before the arrival of am6 engines).

Here is the kit ATHENA RACING, it comes without breech and can be accompanied by the original breech or the very good cylinder head MALOSSI large diameter, it is equipped with a piston mono-segment, 6 transfers of admission and a well-worked architecture!

The cylinder is very robust, it is a treated aluminum nicasil from EUROCILINDRO! This is the most powerful kit on the market!

Optionally we offer a stage 1 preparation, this preparation is a modification of the channels and exhaust light by increasing the diagrams and improving the pipe, it increases the performance of the cylinder. An improvement of the piston and skirt stocking is also included in this modification. Allow a little extra time for this preparation!