Cylinder Yamaha 125 DTR/GPR/TZR to 170 Athena

Athena cylinder kits have become very popular thanks to their great performance and very high durability, being one of the best manufacturers in their sector due to their high quality.
This is the kit for Yamaha 125cc engine (increasing it to 170cc), and it comes complete with piston, cylinder head and small head and gasket set, even with the exhaust valve.

Its Nikasil coating has exceptional finishes in all its kits and the carefully studied position of the transfers is the result of years of Research + Development in motocross engines, achieving great results without sacrificing reliability. Without a doubt, the best option for an engine with as much potential as this one!