In addition to the 125cc standard cylinder kit, Airsal also offers a T6 racing version. The main difference of the T6 compared to the 125cc standard cylinder is the improved piston, which significantly changes the combustion chamber...

The Airsal YI-3 cylinder for the Yamaha 125cc engines is supposed to be a cheap alternative to the expensive original cylinder. Airsal not only uses a copy of the original cylinder, but also improves the coating, the piston and the...

If you are looking for a strong cylinder kit for the WR 125, then the Athena 183cc cylinder kit is just the thing. It impresses especially with its durable Nikasil coating and the light cast iron piston, which is made of aluminium. The...